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P9000 for Business Continuity Manager
Software User Guide

Abstract

This manual describes how to use the following program products: HP StorageWorks P9000 for Business Continuity Manager
Software, HP StorageWorks P9000 for Business Continuity Manager Extended CT Group Software, and HP StorageWorks
P9000 for Business Continuity Manager Continuous Access Journal 4x4 Extended CT Software.

HP Part Number: T5253-96059
Published: October 2011
Edition: Eleventh

Summary of Contents for HPE XP P9500

Page 1: ...ducts HP StorageWorks P9000 for Business Continuity Manager Software HP StorageWorks P9000 for Business Continuity Manager Extended CT Group Software and HP StorageWorks P9000 for Business Continuity Manager Continuous Access Journal 4x4 Extended CT Software HP Part Number T5253 96059 Published October 201 1 Edition Eleventh ...

Page 2: ...ed re exported transferred or downloaded to persons or entities listed on the U S Department of Commerce Denied Persons List Entity List of proliferation concern or on any U S Treasury Department Designated Nationals exclusion list or to parties directly or indirectly involved in the development or production of nuclear chemical biological weapons or in missile technology programs as specified in ...

Page 3: ...onfiguration 30 4x4x4 Multi Target Configuration 31 Compatible FlashCopy linkage configuration 32 Functions Supporting the Automatic Operation BCM Monitor 32 Disaster Recovery Functions 33 Operational testing function 33 Functions that Support Copy Group Definitions and Operations 33 Specified Time Suspend functions 34 Functions for Acquiring Volume Information 34 Logical Path Control function 34 ...

Page 4: ...erational Testing Function 79 Functions That Support Copy Group Definitions and Operations 80 The Copy Group Configuration Check Function 81 Copy Group Definition File Generation Function Using CSV Files 81 SMS Storage Group Import Function 82 The Specified Time Suspend Function 83 NORMAL ATTIME Suspend Function 83 Performing a Backup Using the NORMAL ATTIME Suspend Function for Cnt Ac A 84 Perfor...

Page 5: ...nditions for Acquiring a Port Number 114 Establishing a logical path in the reverse direction 115 Deleting a logical path 115 Setting up the Remote DKC Control Function environment 115 Configuring routes 116 Procedures for configuring routes 116 Example of configuring routes 117 Defining the route list 118 Route List Settings 119 Registering a command device 119 Registering a command device in the...

Page 6: ... on the Primary Site 3DC Multi Target Configuration 153 Settings for Operations on the Local Site 3DC Multi Target Configuration 155 Settings for Operations on the Remote Site 3DC Multi Target Configuration 157 Creating a Copy Group 3DC Multi Target Configuration 159 Defining a Delta Resync Configuration 160 Configuration Example Delta Resync configuration 160 Preparing the Hardware Delta Resync C...

Page 7: ...us of the EXCTG 230 Defining a configuration so that the CAJ ATTIME Suspend function can be used 230 Configuration example CAJ ATTIME suspend 230 Preparing the hardware CAJ ATTIME Suspend 231 Preparing the software CAJ ATTIME Suspend 232 Defining a configuration so that the Open MF Consistency Preservation function can be used 234 Configuration example Open MF Consistency 234 Preparing the hardwar...

Page 8: ...Copy Pair Operations Common to All Copy Types 260 Copy Pair Operations for BC Z and Cnt Ac A 260 Copy Pair Operations for BC Z 261 Copy Pair Operations for Cnt Ac S Z 261 Copy Pair Operations for Cnt Ac J Z 261 Messages Output from Business Continuity Manager 261 Using configuration files 262 Working with scripts 262 Expanding to REXX Variables 262 Acquiring Copy Pair Status 263 Creating and Disso...

Page 9: ...s 286 Using an Open MF consistency group 286 Operating an Open MF consistency group 286 Resynchronizing an Open MF consistency group 287 8 Maintenance and Troubleshooting Operations 288 Using a 2DC Configuration 288 Failover Procedure 288 Failback Procedure 290 Notes on Failovers and Failbacks in a 2DC Configuration 291 Notes on operating copy pairs 292 Notes on dissolving copy pairs 292 Using a 3...

Page 10: ...out Containers with Pairs of Mixed Pair Statuses 346 Ensuring Successful Completion of Delta Resync in Advance 346 Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 348 Operation Startup Procedure 350 Performing Primary Storage System Maintenance 351 Failover 351 Failback 353 Performing Primary Host Maintenance 356 Failover 356 Failback 358 Performing Local Storage System Ma...

Page 11: ...orage System Failure Volatile 409 Preparing 410 Recovering 412 Operating Procedure During an Intermediate Site Storage System Failure Nonvolatile 415 Operating Procedure During a Remote Site Storage System Failure Volatile 416 Preparing 416 Recovering 416 Operating Procedure During a Remote Site Storage System Failure Nonvolatile 419 Preparing 419 Recovering 420 Operating procedure during a primar...

Page 12: ...opy group ID and copy group attributes Cnt Ac A 484 Adding the copy pair to the copy group Cnt Ac A 485 Defining a copy group container 485 Defining the copy group ID and copy group attributes 486 Adding a C T group 487 Changing a copy group that is not a copy group container to one that is adding a C T group 488 Changing a copy group that is a container to one that is not deleting a C T group 489...

Page 13: ...edures provided by BCM Monitor 527 Logs Collected by BCM Monitor 527 When a Business Continuity Manager Monitor Instance Cannot Be Started 527 When a Business Continuity Manager Monitor Instance Has Started 528 Business Continuity Manager Monitor operation examples 529 Backup operation example 529 Example configuration for backup operation 529 Backup operation flow 530 Example of creating the YKMO...

Page 14: ...nt 546 Format 546 Operands 547 Example 547 Displaying or changing the log output level 547 Displaying the log output level 547 Format 547 Operands 547 Example 547 Changing the log output level 548 Format 548 Operands 548 Example 548 Notes on updating configuration files 548 Working around site errors and host failures 549 Error types and error information handling 549 When Business Continuity Mana...

Page 15: ... Updating a Configuration File 575 Causes of Errors that Might Occur While Creating or Updating a Configuration File and the Recommended Actions 577 What To Do When an Error Occurs in the Copy Group Definition File Generation Function Using CSV Files 578 13 Support and other resources 580 Contacting HP 580 Subscription service 580 Documentation feedback 580 Related information 580 HP websites 582 ...

Page 16: ...rowser Actual windows may differ depending on the operating system and browser used GUI contents also vary with licensed program products storage system models and firmware versions Why use Business Continuity Manager The amount of data stored on corporate information systems has increased in tandem with the importance of keeping that data safe Due to the rising management costs associated with th...

Page 17: ...oads and streamline storage system operations However because P9000 Command View Advanced Edition products were originally designed to manage open system storage their full power could not be unleashed in the field of mainframe system storage management For this reason users who owned both open system and mainframe system storage had to manage them separately In recent years customers have been de...

Page 18: ...uicker responses to failures Products that can be controlled by Business Continuity Manager HP storage systems provide replication products such as Business Copy for Mainframe Continuous Access Synchronous Mainframe and Continuous Access Journal for Mainframe Business Continuity Manager can control these replication products to create highly reliable backup data 18 Overview of HP P9000 for Busines...

Page 19: ...dels of the HP XP Disk Array Cnt Ac A is not supported on the HP P9500 Disk Array Business Continuity Manager can be used with both P9500 and XP disk arrays The XP disk array copy products can be configured and controlled using the P9000 version of BCM The HP product names are used in this manual For compatibility with existing implementations on XP disk arrays the Hitachi abbreviations shown in p...

Page 20: ...nuous Access Journal for Mainframe Cnt Ac J Z Writes updated data and control information to the master journal on the primary site When the secondary site makes a read journal request the updated data and control information are written from the master journal to the restore journal on the secondary site This activity is performed asynchronously to host I O processing 20 Overview of HP P9000 for ...

Page 21: ... to remotely create copy pairs remotely operate volumes and remotely monitor the status of volumes This allows you to reduce the operational costs of remote locations Remote Volume Operation page 21 explains remote volume operation Figure 2 Remote Volume Operation Remote volume operations 21 ...

Page 22: ...n by performing operations on the copy group container Working with copy pairs in groups simplifies volume operation and reduces system administration costs Overview of volume operation page 22 shows an overview of volume operation Figure 3 Overview of volume operation Copy groups A copy group is a set of copy pairs that have the same copy type Business Copy for Mainframe Continuous Access Synchro...

Page 23: ...sistency Preservation Function page 78 in which the copy group attributes are defined for the When the Open MF Consistency Preservation Function is used consistency group ID for Cnt Ac S Z consistency is only preserved for the Cnt Ac S Z copy group in the storage system that contains the combined consistency group For details on the Open MF Consistency Preservation Function see Open MF Consistency...

Page 24: ...and copy group attributes page 486 CAUTION If you define a consistency group across multiple storage systems and create a copy group by specifying the consistency group ID consistency is not preserved except in the following instances For Continuous Access Asynchronous for Mainframe In a copy group configuration of two to four primary storage systems and a secondary storage system For Continuous A...

Page 25: ...stency group that uses the Open MF consistency preservation function Figure 4 Effect of Suspending an Open MF Consistency Group When the YKSUSPND command is issued from Business Continuity Manager for a mainframe system copy group open system copy groups and mainframe system copy groups within the same consistency group are suspended at the same time For more information about defining the Continu...

Page 26: ... Groups page 26 Defining a copy group container is explained in Defining a copy group container page 485 CG Container Overview page 26 gives an overview of copy group containers In CG Container Overview page 26 when an operation is performed on the CG container Copy group ID CG UR the operation is performed on the CG container copy group ID CG TCA the operation is performed in batch for the C T gr...

Page 27: ...le group No C T group ID specified Copy group with C T group ID specified Single group C T group ID specified CG container Multiple groups Table 3 Phrase Used to Refer to Continuous Access Asynchronous for Mainframe Copy Group Phrase used to refer to the copy group Type Copy group with C T group ID specified Single group C T group ID specified CG container Multiple groups Table 4 Phrase Used to Re...

Page 28: ...esync Function This configuration allows operation at the local site and remote site under a 2DC configuration to start immediately during a primary site failure or maintenance In a 3DC Multi Target configuration a Continuous Access Journal for Mainframe copy pair called a delta resync pair must be created between the Continuous Access Synchronous for Mainframe S VOL on the local site and the Cont...

Page 29: ... used Continuous Access Journal for Mainframe is also used from the primary storage system for the remote storage system at the secondary site A Continuous Access Journal for Mainframe copy pair in the delta resync waiting status must be created between the PPRC copy pair S VOL and the Continuous Access Journal for Mainframe S VOL beforehand 4x4 Configuration This configuration performs remote cop...

Page 30: ...ntinuous Access Synchronous for Mainframe copy group is used Between the intermediate site and the remote site the Continuous Access Journal for Mainframe copy group that defined an extended consistency group EXCTG is used This configuration can preserve consistency across multiple storage systems in an EXCTG 30 Overview of HP P9000 for Business Continuity Manager Software ...

Page 31: ...nd the remote site the Continuous Access Journal for Mainframe copy group that defined an extended consistency group EXCTG is used Although the 3DC Multi Target configurations cannot preserve consistency across multiple storage systems the 4x4x4 Multi Target configurations can preserve consistency across multiple storage systems in an EXCTG The following figure shows a 4x4x4 Multi target configura...

Page 32: ...lly perform operations on copy groups To automate a series of operations for copy groups you need to create a script that uses a Business Continuity Manager CLI command However by using BCM Monitor you can easily perform the same automatic operations without actually creating a script BCM Monitor monitors copy group statuses and performs operations on copy groups when they are in a particular stat...

Page 33: ...inuous Access Synchronous for Mainframe Consistency Preservation function This preserves Continuous Access Synchronous for Mainframe copy group consistency even during planned stoppage due to maintenance or failure Delta Resync Function If the host on the primary site has stopped this function quickly changes the configuration to a 3DC Multi Target configuration in which the local site becomes the...

Page 34: ...age system directly connected to a host NOTE Volumes that are defined in the operating system I O configuration definitions on the local storage system which is directly connected to a host are called Gen ed volumes Remote Scan Acquires device configuration information about the volumes on a storage system that has no channel connection to the host NG Scan Acquires device configuration information...

Page 35: ...Access Journal operation Continuity Manager page 18 Products that can be controlled by Business No Yes Yes Yes Continuous Access Continuity Manager page 18 Asynchronous operation Inter Disk Controller Logical Paths page 97 Yes Yes Yes No Inter disk controller logical path YKSUSPND Command1 Yes Yes Yes No FLUSH specified suspend FLUSH parameter specification for the YKSUSPND command Executing YKQRY...

Page 36: ...c Multi Target configuration page 149 Preparing the hardware NG Scan page 106 Yes Yes No No 2DC configuration with HyperSwap and Continuous Access Journal Preparing Hardware 4x4x4 Cascade page 203 Yes Yes Yes No 4x4x4 Cascade configuration 4x4x4 Multi Target Configuration page 31 Yes Yes No No 4x4x4 Multi Target configuration The Compatible FlashCopy linkage Yes Yes No No Compatible FlashCopy conf...

Page 37: ...Available No Not available 1 See the chapter on CLI Commands in the HP P9000for Business Continuity Manager Software Reference Guide 2 N A is displayed 3 See the chapter on the ISPF panel in the HP P9000 for Business Continuity Manager Software Reference Guide 4 Specification is invalid For details see the Continuous Access Synchronous for Mainframe Systems User Guide 5 See the chapter on data obj...

Page 38: ... systems and treats the numbers physical DKC serial numbers assigned to the individual storage systems as the storage systems serial numbers Figure 7 page 38 shows the storage system serial numbers for XP1024 XP128 Disk Array or XP12000 XP10000 Disk Array Figure 7 Serial Numbers on an XP1024 XP128 or XP12000 XP10000 Disk Array Identification on an XP24000 XP20000 and the P9500 Disk Array When the ...

Page 39: ...Identification of Storage System Models and Serial Numbers What is considered to be a storage system serial number What is considered to be a storage system Storage system model Physical DKC serial number Storage system XP1024 XP128 or XP12000 XP10000 Disk Array Logical DKC serial number Logical DKC XP1024XP24000 XP20000 or P9500 Disk Array Preparing to set up Business Continuity Manager After Bus...

Page 40: ...transfer this information to the primary site See Acquiring volume information page 430 Define and establish a set of inter control unit logical paths or inter disk controller logical paths See Creating a path set page 439 Define the Route List See Defining a route list page 457 Register a command device in a storage system See Setting up Storage Systems page 100 Define a copy group See Defining a...

Page 41: ...tions Figure 9 page 41 shows the relationships between storage system settings and Business Continuity Manager definitions Figure 10 page 42 shows the relationships between settings in a 4x4 configuration storage system and Business Continuity Manager definitions Figure 9 Relationship between Storage System settings and Business Continuity Manager settings Storage System Settings and Copy Group De...

Page 42: ...he I O command executions on each copy pair does not always match the order in the copy pair definition Replication products and data center configurations This section describes possible combinations for data center configurations and the replication products that can be managed with Business Continuity Manager The 2DC configurations A 2DC configuration is used to perform a copy operation from th...

Page 43: ...guration minimizes the chances of losing data in the event of a disaster by allocating copies to three different sites A 3DC configuration performs a remote copy with a local site nearby where Continuous Access Synchronous for Mainframe operations are performed and a remote site where Continuous Access Journal for Mainframe operations are performed Copy pairs between each site can be set to mainta...

Page 44: ... remote site A 3DC Cascade configuration example page 44 shows an example of the 3DC Cascade configuration Figure 12 A 3DC Cascade configuration example NOTE When the Primary site is operating normally there is no need for the hosts at the intermediate and remote sites to operate The 3DC Multi Target configuration The primary site in a 3DC Multi Target configuration performs normal Continuous Acce...

Page 45: ... system maintenance or a failure As shown in Figure 14 page 45 and Figure 15 page 46 during local or remote site storage system maintenance or a failure the configuration can be changed to a 2DC configuration without stopping the operations at the primary site Figure 14 Storage system maintenance at the local site 3DC Multi Target configuration Replication products and data center configurations 4...

Page 46: ...age 47 during primary site host maintenance or a host failure a 3DC Multi Target configuration can be switched to a 3DC Cascade configuration to continue operations by using the Reverse Resync Function to reverse the direction of the Continuous Access Journal for Mainframe copy pair between the local and primary sites 46 Business Continuity Manager with replication products ...

Page 47: ... pair by copying to the remote site only the differential data between the local and remote sites This enables operations to continue temporarily in a 3DC Multi Target configuration with the local site as the origin with very little downtime even when the primary site host stops Figure 17 page 48 gives an example of a delta resync configuration before a delta resync is performed and Figure 18 page...

Page 48: ...erses the relationship between a P VOL and an S VOL by using TPC R when the primary storage system and local storage system are connected to the same host and a failure occurs during access to the primary storage system HyperSwap enables the I O destination volume to be switched during a primary storage system failure or maintenance without stopping operations With this configuration delta resyncs...

Page 49: ...ccess Journal for Mainframe copy pair in the delta resync standby status between the local storage system and remote storage system If a copy pair is a Continuous Access Synchronous for Mainframe copy pair with the HyperSwap attribute the only operations that Business Continuity Manager can perform on it are monitoring or dissolving it Figure 19 page 49 and Figure 20 page 49 show a 2DC configurati...

Page 50: ... obtained due to failure or some other reason Create a script so that a delta resync is performed when a HyperSwap is detected For details on definitions see Defining a 2DC configuration with HyperSwap and Cnt Ac J Z page 176 The 4x4 configuration In a 4x4 configuration consistency is preserved across multiple storage systems for a Continuous Access Journal for Mainframe solution Because copy grou...

Page 51: ...DC Cascade configuration This configuration is suitable for large scale operations because consistency can be preserved across multiple storage systems if the storage systems are within the same extended consistency group EXCTG Figure 22 page 52 shows an example of a 4x4x4 Cascade configuration Replication products and data center configurations 51 ...

Page 52: ...inuous Access Synchronous for Mainframe copy group from the intermediate site to the primary site As a result the configuration can be switched to a Multi Target configuration whose operations are performed from the intermediate site to continue the operations Figure 23 page 53 shows a configuration example after a failover during a host failure at the primary site 52 Business Continuity Manager w...

Page 53: ...KSUSPND REVERSE command can be executed for the Continuous Access Synchronous for Mainframe copy group to suspend it and the configuration can be switched to the 4x4 configuration between the intermediate and remote sites to continue operation Figure 24 page 54 shows a configuration example after a failover during a storage system failure at the primary site Replication products and data center co...

Page 54: ...can be concurrently used as shown in Figure 25 page 54 When Compatible FlashCopy is linked datasets created by using Compatible FlashCopy can be remotely copied to the secondary site by using Continuous Access Synchronous Continuous Access Asynchronous or Continuous Access Journal Figure 25 Example of a Compatible FlashCopy linkage configuration Continuous Access Synchronous Z can be used to link ...

Page 55: ...nkage configurations page 278 Prerequisites for the Compatible FlashCopy linkage configuration The following describes the prerequisites for linking Compatible FlashCopy Storage system conditions XP24000 XP20000 and P9500 are used Note however that the Preserve Mirror function can be used only with XP24000 XP20000 Compatible FlashCopy conditions Compatible FlashCopy Version 2 is used The following...

Page 56: ...unit is specified in DIF UNIT in the Copy Group Attributes panel For details about the differential data management unit see the explanation of the Copy Group Attributes panel in the HP P9000 for Business Continuity Manager Software Reference Guide 2 Copy groups with consistency group IDs are not supported 3 A 3DC Multi Target configuration cannot be linked with Compatible FlashCopy when both the ...

Page 57: ...d the writing timestamp to the S VOL timestamp transfer mode Y TIMESTAMP Specifies the differential data management unit Can be set to only TRK DIF UNIT Specifies whether to use the Open MF Consistency Preservation Function N OPEN MF Legend Y Can be set N Cannot be set Configurations cannot be created in which Continuous Access Synchronous copy pairs that use the Preserve Mirror function are combi...

Page 58: ...ronous for Mainframe Continuous Access Asynchronous for Mainframe or Continuous Access Journal for Mainframe copy pair create a Business Copy for Mainframe copy pair first and put it in suspended status When resynchronizing the Business Copy for Mainframe pair first change the Continuous Access Synchronous for Mainframe Continuous Access Asynchronous for Mainframe or Continuous Access Journal for ...

Page 59: ...se for which it is not allowed Configuration Patterns that Allow Pair Creation Figure 32 page 59 through Figure 34 page 60 show the basic patterns that allow pair creation Figure 32 When a Copy Group Includes Only One Consistency Group BC Z Cnt Ac S Z Cnt Ac A or Cnt Ac J Z Figure 33 When Copy Types Are Identical Within a Copy Group Container BC Z Cnt Ac S Z Cnt Ac A or Cnt Ac J Z Understanding Co...

Page 60: ...s Access Journal Z When copy groups contain some consistency group volumes Business Copy Z Continuous Access Synchronous Z Continuous Access Asynchronous Continuous Access Journal Z When a copy group contains both a consistency group and copy pairs that are not in the consistency group Business Copy Z Continuous Access Synchronous Z Continuous Access Asynchronous Continuous Access Journal Z Figure...

Page 61: ...Some Consistency Group Volumes BC Z Cnt Ac S Z Cnt Ac A or Cnt Ac J Z CAUTION Copy groups are defined to include all volumes within a consistency group If only some volumes within the consistency group are defined in the copy group operations performed for each copy group will be performed on all copy pairs in the consistency group even for those copy pairs not included in the copy group Understan...

Page 62: ...nds to allow you to change the statuses of copy pairs within a copy group in batch mode These CLI commands are executed from scripts REXX or the ISPF panel Table 1 1 page 62 shows the copy group operation commands provided by Business Continuity Manager Table 1 1 Copy Group Operation Commands Provided by Business Continuity Manager Function Command Name Copy pair creation YKMAKE Copy pair suspensi...

Page 63: ...Ac J Cnt Ac A Cnt Ac S BC Meaning Copy Pair Status Yes Yes Yes Yes Initial status The volumes have not been paired Copy pairs SIMPLEX enter this status as the result of a copy pair dissolve request This corresponds to the following status of the storage system Simplex BC Z Cnt Ac S Z Cnt Ac A or Cnt Ac J Z Yes Yes Yes Yes Copying from P VOL to S VOL has been completed and P VOL DUPLEX and S VOL ar...

Page 64: ... Z Yes Yes N A Yes Copying of differential update data is being performed to TRANS ensure that the volume status can be changed to SUSPOP or SIMPLEX This corresponds to the following status of the storage system Suspending Cnt Ac A or Cnt Ac J Z Deleting BC Z Cnt Ac A or Cnt Ac J Z Sp Pend BC Z NOTE In this status copy pair dissolving is not allowed because the data is not guaranteed N A N A N A Y...

Page 65: ... N A Delta resync standby status Delta resync standby status HOLD Copy pairs are ready to perform Delta Resync Delta Resync and Delta Resync with full copy can be performed Yes N A N A N A A failure occurred in a Delta Resync pair Delta resync cannot be performed Delta resync failure Suspend status HOLDER Yes N A N A N A Delta resync pair is in the middle of status transition to HOLDTRNS HOLD stat...

Page 66: ...ble 16 page 68 shows the volume statuses acquired in Business Copy for Mainframe by using the YKQRYDEV command Cnt Ac S Z or Cnt Ac A Table 14 Copy pair statuses of volumes obtained by the YKQRYDEV command Cnt Ac S Z or Cnt Ac A Description Status of the copy pair in the storage system Copy pair status acquired by YKQRYDEV SIMPLEX status Simplex SIMPLEX The copy pair is changing to the duplex stat...

Page 67: ...pe SEQCHK SUSPER A0 Table 15 Copy pair statuses of volumes obtained by the YKQRYDEV command Cnt Ac J Z Description Status of the copy pair in the storage system Copy pair status acquired by YKQRYDEV SIMPLEX status Simplex SIMPLEX The copy pair is changing to the duplex status during an initial copy or resynchronization Duplex Pending PENDING 01 Duplex status Duplex DUPLEX 02 The user has suspended...

Page 68: ... to a hardware failure such as a cache memory shared memory or journal volume failure The status of a Delta Resync pair is being changed to the HOLD status HOLDTRNS HOLDTRNS 72 The user tried to perform a Delta Resync but the copy pair changed to the HOLDER status because the copy pair is HOLDER HOLDER 73 not in a status that allows for Delta Resync In this situation the differential data cannot b...

Page 69: ...ble sites has been obtained You can prevent the error in such cases by executing the YKQUERY command with the TO parameter specified This parameter allows you to specify the site P VOL or S VOL when they were defined from which information can be obtained For details about the information that can be obtained by the YKQUERY command with the TO parameter in the HP StorageWorks P9000 for Business Co...

Page 70: ...or P VOLs of Cnt Ac S with the HyperSwap attribute 2 The CONSLOST status is displayed only for Continuous Access Synchronous copy pairs Table 18 P VOL S VOL statuses and copy pair statuses for each copy pair for Cnt Ac J Z P VOL S VOL INV NDL HTR HER HLD SI P SU P SER SCU SOP DUP PND SMP SMP SER SER SER SER TRN TRN SER SCU SOP PND PND SMP SMP PND PND PND HER PND TRN TRN SER SCU PND PND PND SMP PND...

Page 71: ...re copy pair information from an inaccessible site due to a line failure for example an error will occur even though information from available sites has been acquired In such a case you can prevent the error by using the TO parameter which allows you to specify the site of the copy pair P VOL or S VOL when they were defined that can acquire information and then executing the YKQUERY command For m...

Page 72: ...Figure 38 Copy pair status transition with BC Z 72 Business Continuity Manager with replication products ...

Page 73: ... status by copy pair or volume For details about the differences in functionality between YKEWAIT and YKWATCH see Function That Monitors Event and Errors page 98 Status Monitoring by Copy Pair The YKEWAIT command can be used to monitor copy group statuses When this command is executed processing halts until the status of all copy pairs in the copy group matches that specified by the GOTO parameter...

Page 74: ...cified can be used to monitor status transitions for a specific copy pair in a copy group Status Monitoring by Volume An error will occur when copy pair information cannot be obtained from the storage system of the P VOL or S VOL due to a failure However the YKEWAIT command can be used with the TO parameter specified so that status monitoring is performed only for either the P VOL or S VOL and err...

Page 75: ...nel As shown in Figure 40 page 76 starting from the perspective of the primary site the remote storage system is the storage system whose serial number is 15001 From the perspective of the secondary site the remote storage system is the storage system whose serial number is 14001 Command Device A volume that is used to control a remote storage system and that sends copy group operation commands to...

Page 76: ...ng from CD1 which is 0001 Host ID The unique ID used by a storage system to distinguish hosts when a command device is shared among multiple hosts multiple instances of operating systems Figure 40 Operating copy groups on one or more other sites using the Remote DKC Control Function 76 Understanding Business Continuity Manager functions ...

Page 77: ...vering the operation Implement the Reverse Resync function by using the YKSUSPND and YKRESYNC commands in combination The following procedure describes the flow of failovers and failbacks using the Reverse Resync function The numbers in the following steps correspond to the numbers in Figure 42 page 78 1 Stop all applications at the primary site 2 Reverse the copy direction by using the Reverse Re...

Page 78: ...n preserves the consistency of all copy pairs within a Continuous Access Synchronous for Mainframe copy group that has a consistency group ID specified By preserving the consistency among multiple copy pairs within a copy group the files within copy groups on the S VOL side can maintain the status immediately preceding a failure or during a planned outage NOTE For a Continuous Access Synchronous f...

Page 79: ...ynchronous consistency preservation function Figure 43 Implementation of Cnt Ac S Consistency Preservation Function The Operational Testing Function The operational testing function enables users to perform operational testing at a secondary site while an actual operation is being performed at the primary site If you execute the YKSUSPND command with the S VOL PERMIT parameter specified the S VOL ...

Page 80: ... copy pair Use the YKSUSPND command with the S VOL PERMIT parameter specified to suspend the copy pair 2 Perform operational testing at the secondary site 3 Resynchronize the copy pairs Execute the YKRESYNC command to copy only the necessary data from the P VOL to the S VOL Figure 44 Flow of Operational Testing Functions That Support Copy Group Definitions and Operations Among the Business Continu...

Page 81: ...e storage system serial Consistency attribute matches the copy group definition copy pairs that are not included in the any copy pairs that do not belong to the specified C T group number CU number or CCA of actual P VOL and definitions and the actual attributes copy group definition S VOL match the copy group definition N H N1 C H BC Z C C N1 C C Cnt Ac S N C C2 C C Cnt Ac A N H N1 C C Cnt Ac J 1...

Page 82: ...d Reads CSV files and generates a copy group definition file YKIMPORT Reads a copy group definition file and generates the following CSV files YKEXPORT Pair information CSV file EXCTG information CSV file generated only when an extended consistency group EXCTG is used SMS Storage Group Import Function SMS storage groups are the units for the DFSMS managed storage pool Each of these groups is defin...

Page 83: ...ATTIME Suspend function NORMAL ATTIME Suspend Function Because Business Copy for Mainframe and Continues Access Asynchronous for Mainframe do not support consistency preservation across multiple storage systems you cannot set backup time between the storage systems to the same time However if you execute the ATTIME suspension function for a Business Copy for Mainframe or Continues Access Asynchron...

Page 84: ...ng the NORMAL ATTIME suspend function for Continuous Access Asynchronous for Mainframe 1 Execute the following command to execute the NORMAL ATTIME suspend function for the Continuous Access Asynchronous for Mainframe copy group YKSUSPND ATTIME 20070101 100000 0000 00 LOCAL 2 After the Continuous Access Asynchronous for Mainframe copy group is suspended execute the YKRESYNC command for the Busines...

Page 85: ... an I O to a P VOL that has a timestamp after the specified NORMAL ATTIME suspend time suspension is executed The detected I O is not reflected into the S VOL When timeout occurs If the storage system detects no I O activity after the specified ATTIME suspend time has elapsed suspension is executed NORMAL ATTIME Suspend Function Recommendations for Backing Up Multiple Generations When the NORMAL A...

Page 86: ...ME Suspend Function for Cnt Ac J Z Figure 48 page 86 shows an example of performing a backup using the CAJ ATTIME Suspend function for Continuous Access Journal for Mainframe Figure 48 Cnt Ac J Z backup configuration example using the CAJ ATTIME suspend function Before backup using the CAJ ATTIME Suspend function the following is the normal status of each copy group For Continuous Access Journal f...

Page 87: ...and execution CAJ ATTIME suspend and Timeout Times When suspensions are executed CAJ ATTIME Suspend Function Once the CAJ ATTIME Suspend function is executed circumstances dictate when copy group suspension takes place When an update journal is detected after the specified CAJ ATTIME suspend time on the secondary site As indicated in Figure 50 page 87 suspension is executed Contents of the update ...

Page 88: ...urnal is reflected into the volume at the secondary site because the ATTIME suspend time 10 00 00 has not been reached yet 2 The copy group starts being suspended after 10 00 00 when the no update journal is detected The 10 00 10 update journal is not reflected into the volume at the secondary site because the copy group has already been suspended When timeout occurs As indicated in Figure 52 page...

Page 89: ...spension CAJ ATTIME Suspend Function Recommendations for Backing Up Multiple Generations If you resynchronize the BC Z copy group to move it into the DUPLEX status the S VOLs of the BC Z copy group cannot be used as a volume for recovery until the BC Z copy group is suspended Recovery may not be possible from a Cnt Ac J Z S VOL therefore HP recommends that you prepare BC Z copy groups for two or t...

Page 90: ...single Cnt Ac J Z journal group Z P VOL and ATTIME suspension can be reserved for each S VOL Functions that Acquire Volume Information Before you can configure Business Continuity Manager you must acquire the volume information from the storage systems on the local and remote sites Although you can do this by locating and entering the hardware configuration definition information manually it is ea...

Page 91: ...s not acquired by a Remote Scan Therefore define copy pairs so that the capacities of the P VOLs and S VOLs are the same NG Scan The volumes on a storage system that is directly connected to a host volumes that are not defined in the operating system I O configuration definitions and that the OS does not recognize are called Non Gen ed volumes To acquire disk configuration information about Non Ge...

Page 92: ... NG scan using a command device or the local scanned volume The following legend applies to each of these figures Figure 54 page 92 shows an operational image of an NG scan when using a command device Figure 54 Operational Image of an NG Scan When a Command Device is Used Figure 55 page 92 is an operational image of an NG scan when a locally scanned volume is used Figure 55 Operational Image of an...

Page 93: ...volumes detected by an NG scan for P VOLs and a local scan for S VOLs 2 Define a Business Copy for Mainframe copy group by using volumes detected via a local scan for P VOLs and via an NG scan for S VOLs 3 Define a Business Copy copy group by using volumes detected by executing an NG scan on a remote storage system for P VOLs and executing a local scan on a remote storage system for S VOLs For Con...

Page 94: ...g volumes detected by executing a remote scan on a remote storage system for P VOLs and executing an NG scan for S VOLs Operating a Copy Group Including Non Gen ed Volumes For Continuous Access Journal for Mainframe you need a command device to perform operations on Non Gen ed volumes Figure 56 page 95 presents an operational image of a copy group including Non Gen ed volumes using a command devic...

Page 95: ...e same volume is defined as the P VOL and S VOL of the Business Copy If a Gen ed volume is changed to a Non Gen ed volume or if a Non Gen ed volume is changed to a Gen ed volume you need to rescan and then redefine the copy groups Before re scanning delete unnecessary disk configuration definition files You cannot check if the capacities of P VOLs and S VOLs are the same when defining copy groups ...

Page 96: ...interface port initiator port on the MCU of a storage system connected to a FC cable to transmit data and a FC interface port RCU target port target port on the RCU of a receiving storage system When an inter control unit logical path is established communication remote copy is enabled between the P VOL of Continuous Access Synchronous for Mainframe or Continuous Access Asynchronous for Mainframe ...

Page 97: ...in the secondary storage system are connected by at least one FC cable When an inter disk controller logical path is established communication is enabled between a journal volume in the P VOL of the Cnt Ac J Z that belongs to the primary storage system and a journal volume in the S VOL of the Cnt Ac J Z that belongs to the secondary storage system Multiple inter disk controller paths established b...

Page 98: ...d Command Message structures Sends a query to the storage system Can be monitored Can be monitored YKEWAIT BC Z Cnt Ac S Z Cnt Ac A Cnt Ac J Z Console messages Monitors the IEA494I message output by the host Cannot be monitored Cannot be monitored YKWATCH BC Z Cnt Ac S Z Cnt Ac A NOTE Copy pairs at a remote site1 cannot be monitored 1 Copy pairs at a remote site are the copy pairs controlled by us...

Page 99: ...tions in Understanding Business Continuity Manager functions page 75 To use the ISPF panels to perform the procedures mentioned in this chapter see Using the ISPF panels page 430 Preparation overview The preparation tasks in the following procedure are necessary to use Business Continuity Manager Figure 60 Overview of preparing to use Business Continuity Manager The following sections explain the ...

Page 100: ... group ID see Consistency groups page 23 Table 24 Storage System Settings Copy type Setting Cnt Ac J Z Cnt Ac A Cnt Ac S Z BC Z N R R N Inter control unit logical path Establishing logical paths1 R N N N Inter disk controller logical path N R N O2 Registering consistency group IDs R N N N Creating journal groups O3 N N N Configuring arbitration command devices Configuring arbitration paths Configu...

Page 101: ...ne Device Address Domain ID from the Set Defaults panel that is displayed when you select 1 Set Defaults in the Main Menu ISPF panel When you define a copy group that involves volumes on different sites use the Local Device Address Domain ID in the Set Defaults ISPF panel to assign a unique Device Address Domain ID DADP or DADS in these examples for each site Once you specify a Device Address Doma...

Page 102: ... the same operational environment NOTE Business Continuity Manager cannot read the copy group definition files created by using the Mainframe Agent YKP2A command for a PPRC copy pair Therefore specifying the Configuration File Prefix in the Set Defaults ISPF panel using the prefix for copy group definition file created by this command results in an error in the Scan Copy Pair Inside Storage System...

Page 103: ...n files on a 2DC configuration Figure 63 Overview of creating configuration files 2DC configuration Each configuration file serves a specific purpose and adheres to a precise naming convention as shown in Table 25 page 104 Before specifying definitions in the Set Defaults panel specify a prefix for each configuration file Creating configuration files 103 ...

Page 104: ...t to the primary site Acquire disk configuration definition files by performing remote scans on one or more sites other than the primary site Path set definition file Description Item prefix PATH path set id Naming convention Business Continuity Manager creates this file when you define a path set Required by the Logical Path Control function Purpose See Creating a path set page 439 Creation proce...

Page 105: ...P9000 for Business Continuity Manager Software Reference Guide Required settings for configuration files This section describes the ISPF panel settings that are required to create configuration files You must set the following information from the ISPF panel Enter information in the following fields in the Discover Define Configuration ISPF panel accessed by selecting 3 Discover Define Configurati...

Page 106: ...he primary site transfer the resulting disk configuration definition file to the primary site and store the information in the disk configuration definition file on the primary site For background information about the file prefix see Setting a prefix for configuration files page 102 To see the procedures for initiating these operations from the ISPF panels see Acquiring volume information page 43...

Page 107: ...or inter disk controller logical paths Path set definition file Business Copy for Mainframe copy group definition file DAD ID of a P VOL Specify the DAD ID Non Gen ed DAD ID for an NG scan DAD ID of a S VOL Specify the DAD ID for a local scan Cnt Ac J Z copy group definition file DAD ID of a P VOL Specify the DAD ID for a remote scan However when a local scan is executed for a P VOL specify the DA...

Page 108: ... configuration definition file acquired by a remote scan cannot be used in other sites For example if you use a remote scan from the Primary site to acquire a disk configuration definition file at the Secondary site and then transfer it to the Secondary site an error results if you subsequently specify the file in either of the following cases The Local Device Address Domain ID field on the Set De...

Page 109: ... site to the Secondary site NOTE If no route list has been defined you can suppress the display of the LOAD Option panel that otherwise would be displayed after route list creation by specifying a pre selected route list name of up to eight characters in this field Remote DKC Function Indicate the use of the Remote DKC Control Function type Y For the procedures for performing this operation see Sp...

Page 110: ... For the procedures for performing this operation see Using the ISPF panels page 430 Assigning a Dummy Device Number Device numbers DEVNs which are recognized by the host are not assigned to the devices in the device configuration information acquired by a remote scan because the information is not on the storage system connected to the host Therefore when the remote scan completes the CU Selectio...

Page 111: ... assigned and the remote scan finishes the Discover HP Storage Arrays panel is displayed In this panel each of the storage systems that has been remotely scanned is indicated by An asterisk beside the storage system serial number of the storage system 64050 in this panel The value of the Description column changed from UNDISCOVERED REMOTE STORAGE to DISCOVERED REMOTE STORAGE You can change the dum...

Page 112: ...cal path Enables Continuous Access Synchronous for Mainframe or Continuous Access Asynchronous for Mainframe remote copy communication between the P VOL on the Main Control Unit and the S VOL on the Remote Control Unit For more information see Inter Control Unit Logical Paths page 96 Inter disk controller logical path Enables Continuous Access Journal for Mainframe communication between a journal ...

Page 113: ...u can establish inter disk controller logical paths when the storage systems contain Non Gen ed volumes or inter control unit logical paths However when establishing deleting or acquiring the status of an inter control unit logical path if all volumes in the relevant control unit are Non Gen ed volumes you need to set up a route list and register a command device beforehand For details about creat...

Page 114: ...the logical path for which path information is acquired the path set definition for that logical path is not updated If information cannot be acquired due to an I O error the path set definition is not updated If information can be acquired the path set definition is updated regardless of the status of the physical path Checking the Prerequisite Conditions for Acquiring a Port Number Before you at...

Page 115: ...ct logical paths for deletion by specifying an attribute for the share in the SHR in the Edit Logical Path Definition ISPF panel Specifying Y in the SHR deletes the path only when the FORCE parameter is specified Specifying N in the SHR always deletes the path regardless of whether the FORCE parameter is specified CAUTION If separate path set definition files are created to define each copy group ...

Page 116: ... Manager 2 Configure the routes Configure routes that start with the storage systems that are directly connected to the host via a channel Multiple routes can be configured from a single storage system However this does not mean that routes can always be defined to and from storage systems containing remote copies see Example of configuring routes page 117 Configure routes to and from as many remo...

Page 117: ...connected to First route DKC A DKC C DKC D Using this route you can control DKC C and DKC D Second route DKC A DKC C DKC E The second route must include DKC E but the route from DKC B to DKC C cannot be defined because an N 1 connection a connection from multiple storage systems to a single storage system configuration is not allowed see Example of defining the routes page 118 Therefore configure ...

Page 118: ...pends on the direction of the route For a route in the forward direction First the primary and then the secondary storage system serial numbers For a route in the reverse direction First the secondary and then the primary storage system serial numbers If you define a route list a command device definition file for the first Device Address Domain on the route is created at the same time a route lis...

Page 119: ...rd direction Registering a command device Use the YKBLDCMD command to register a command device in storage system Registering a command device in the forward direction To use the Remote DKC Control Function from the primary site on a storage system at one or more other sites you need to register a command device in the forward direction on the storage system at the other site Define the storage sy...

Page 120: ...the secondary site and then for the storage system at the primary site Command device definition rules In a Device Address Domain each storage system must have a command device Communication between command devices is in a single direction This APID is unique to this route For example once the communication relationship from command device CD1 to command device CD2 is defined in a storage system t...

Page 121: ... the storage system from the secondary site CD5 CD6 CD7 and CD8 cannot be deleted from the primary site To delete CD5 CD6 CD7 or CD8 either delete them from the secondary site or delete it as you would delete a command device not registered in the route list Deleting Command Devices Not Registered in a Route List To delete command devices not registered in a route list delete them from the Extra C...

Page 122: ...reate an inter control unit logical path dedicated to the command device Supporting a Cnt Ac S Z or Cnt Ac A Z copy group configuration To create an inter control unit logical path dedicated to the command device 1 Establish an inter control unit logical path For Continuous Access Synchronous for Mainframe or Continuous Access Asynchronous for Mainframe Ensure that the control unit does not belong...

Page 123: ... J Z copy group configuration Preparing to use the Remote DKC Control function Before using the Remote DKC Control Function 1 Place all command devices offline 2 Execute the YKLOAD command From the ISPF panel or in a script execute the YKLOAD command with the DAD and ROUTE parameters specified Configuration definition for using the Continuous Access Synchronous Consistency Preservation function To...

Page 124: ...command device definitions Remote storage systems do not need command device definitions Defining a copy group To use the Continuous Access Synchronous consistency preservation function define a copy group by performing the following steps 1 In the Add Copy Group panel specify Cnt Ac S for Copy Group Type 2 In the Setting C T ID Attributes panel specify a consistency group ID 3 In the Copy Group A...

Page 125: ...ness Continuity Manager at the Primary Site page 125 shows the image of a route list definition when the Reverse Resync function is used from Business Continuity Manager at the primary site only Figure 73 Route List Definition When the Reverse Resync Function Is Used from Business Continuity Manager at the Primary Site Primary site route list RR2DC requires a route from a primary storage system to...

Page 126: ...p and Cnt Ac J Z page 176 Defining a 4x4 configuration page 187 Defining a configuration so that the CAJ ATTIME Suspend function can be used page 230 Defining a configuration so that the Open MF Consistency Preservation function can be used page 234 Defining a 2DC configuration This section explains how to define a 2DC configuration with one storage system installed at each site For background inf...

Page 127: ...at the primary site and one host at the secondary site Host One storage system must be installed on the primary site and one on the secondary site Storage system With the exception of Cnt Ac J Z operation is only possible in forward A bidirectional physical path must be established between the primary and Physical path direction paths However for operation secondary sites connected by the FCP cabl...

Page 128: ...ished Logical path Preparing the configuration files 2DC configuration Table 31 page 128 lists the configuration files required for using Business Continuity Manager in a 2DC configuration Table 31 Required configuration files 2DC configuration Remarks Description Item Disk configuration definition files are required on the primary site and secondary site Disk configuration definition file Set thi...

Page 129: ...direction An inter disk controller logical path in reverse direction Define a route list Route list definition file Command device definition file A forward direction route command device A reverse direction route command device Define a copy group A Cnt Ac J Z copy group Copy group definition file Define a copy group A BC Z copy group NOTE If you define the route list the route list definition fi...

Page 130: ...rage systems from the secondary site by using the Remote DKC Control Function However if the Continuous Access Synchronous Consistency Preservation Function is used at the secondary site a command device is required at the secondary site NOTE To operate the primary site storage systems at the secondary site you need to transfer the configuration files created at the primary site to the secondary s...

Page 131: ...n established by using Remote Web Console 2 A logical path must be built for the reverse direction if you are Using Continuous Access Journal for Mainframe Using the Reverse Resync Function Definition procedure 2DC configuration This section explains how to define a 2DC configuration with a host at the secondary site by using the Remote DKC Control Function First set the items that need to be set ...

Page 132: ...he primary site 4 Define a path set consisting of the logical paths in the forward direction from the primary site to the secondary site from the primary site or specify the logical paths using Remote Web Console For Continuous Access Journal for Mainframe copy groups define a path set consisting of inter disk controller logical paths For Continuous Access Synchronous for Mainframe or Continuous A...

Page 133: ...oute list for the forward and reverse directions from the primary site to the secondary site and from the secondary site to the primary site from the primary site 7 Register a command device for the forward direction in the storage systems of the primary and secondary sites from the primary site For details on how to register a command device see Registering a command device in a Storage System pa...

Page 134: ...s Asynchronous for Mainframe copy groups define a path set consisting of inter control unit logical paths For details on how to define a path set see Creating a path set page 439 9 Establish the logical paths in the reverse direction from the secondary site to the primary site from the primary site For Continuous Access Journal for Mainframe copy groups establish the inter disk controller logical ...

Page 135: ...ing a command device in a Storage System page 470 1 1 Define copy groups at the primary site 12 Execute the YKMAKE command to make a copy pair for the defined copy group 13 Transfer the created configuration files from the primary site to the secondary site Defining a 3DC Cascade configuration This section explains how to define a 3DC Cascade configuration Defining a 3DC Cascade configuration 135 ...

Page 136: ...tem One unit each for the primary and remote sites Host Only a configuration that has one storage system for each site is allowed One XP12000 XP10000 XP24000 XP20000 or P9500 Disk Storage system Array on each site 3 storage systems in total The system can only operate with a path from the primary site to the intermediate site forward direction Between the primary site and intermediate site Bidirec...

Page 137: ...th An inter control unit logical path is required between the primary site and intermediate site for both directions An inter disk controller logical path is required between the intermediate site and remote site for both directions Preparing the Configuration Files 3DC Cascade Configuration Table 35 page 137 lists the configuration files required for using Business Continuity Manager in a 3DC Cas...

Page 138: ...fore starting a copy operation If the Cnt Ac S Consistency Preservation Function is not used the copy pair update sequence might become inconsistent in some cases such as a line error If you use the CAJ ATTIME suspend function enable the Cnt Ac S Z timestamp transfer mode Preparing the configuration files 3DC Cascade configuration Table 36 page 138 shows how to prepare the configuration files at e...

Page 139: ... list definition file Command device definition file intermediate site and then the remote site Define a route list Not required A route command device from the remote site to the intermediate site and then the primary site Transfer from the primary site Define a copy group A Cnt Ac S Z copy group Copy group definition file Define a copy group A Cnt Ac J Z copy group NOTE If you define the route l...

Page 140: ... volume information page 430 2 Define a path set consisting of inter control unit logical paths Primary Intermediate and inter disk controller logical paths Intermediate Remote that are in the forward direction or specify a path using Remote Web Console A CU to be specified for a path set must include a volume to be defined in a Cnt Ac S copy group and a command device for the forward direction On...

Page 141: ...path Primary Intermediate Establishing an inter control unit logical path is part of creating the path set definition file 5 Register a command device for the forward direction in the storage systems of the primary and intermediate sites This creates the command device definition file For details on how to register a command device in a storage system see Registering a command device in a Storage ...

Page 142: ...re information see Acquiring volume information page 430 7 Establish an inter disk controller logical path Intermediate Remote Establishing an inter disk controller logical path is part of creating the path set definition file 8 Register a command device for the forward direction in the storage system of the remote site This is part of creating the command device definition file 142 Configuration ...

Page 143: ...d a command device for the reverse direction to be registered in the storage system of the remote site A DAD ID assigned by a scan Local Device Address Domain ID in the Set Defaults panel must be the same DAD ID assigned by performing a remote scan on the remote site from the primary host For details on how to perform a scan to acquire storage system information see Acquiring volume information pa...

Page 144: ...r primary site The Add Remote Route Entry panel is displayed by specifying r in AC in the Entire Route Information panel For details on how to define a route list see Defining a route list page 457 4 Establish an inter DKC logical path Remote Intermediate Establishing an inter disk controller logical path is part of creating the path set definition file 5 Register a command device for the reverse ...

Page 145: ... intermediate site by performing a remote scan must be the same DAD ID assigned by a scan from the primary site For details on how to perform scans to acquire storage system information see Acquiring volume information page 430 7 Establish an inter CU logical path Intermediate Primary To see the procedure for loading and building a logical path see Establishing a logical path page 456 8 Register a...

Page 146: ...o be assigned to the primary site by performing a remote scan must be the same DAD ID assigned by the scan from the primary site For details on how to perform scans to acquire storage system information see Acquiring volume information page 430 10 Define copy groups Define Continuous Access Synchronous for Mainframe and Continuous Access Journal for Mainframe copy groups on the primary host or the...

Page 147: ...xecute the YKMAKE command to create a copy pair for Continuous Access Synchronous for Mainframe copy groups 12 From the primary host make sure that the status of the Continuous Access Synchronous for Mainframe copy groups has changed to DUPLEX and then execute the YKMAKE command to make a copy pair for Continuous Access Journal copy groups Defining a 3DC Cascade configuration 147 ...

Page 148: ...after creating a copy group on one host you need to copy the copy group definition file to another host Defining a 3DC Multi Target configuration This section explains how to define a 3DC Multi Target configuration A 3DC Multi Target configuration example Example of a 3DC Multi Target Configuration page 149 shows an example of a 3DC Multi Target configuration 148 Configuration Definitions ...

Page 149: ...ary site local site and remote site Host Only a configuration that has one storage system for each site is allowed One XP12000 XP24000 or P9500 Disk Array on each site 3 storage systems in total Storage system Physical paths between the primary site and local site and between the primary Bidirectional physical path connected by a FCP cable between the primary site Link between storage systems phys...

Page 150: ...s required for each storage system Use Remote Web Console for the setup Logical path An inter control unit logical path is required between the primary site and local site for both directions An inter disk controller logical path is required between the primary site and remote site for both directions Preparing the Configuration Files 3DC Multi Target Configuration Table 39 page 150 lists the conf...

Page 151: ...ntrol unit logical path is required between the primary site and the local site for both directions An inter disk controller logical path is required between the primary site and the remote site for both directions Preparing the Configuration Files 3DC Multi Target Configuration Table 40 page 151 shows how to prepare the configuration files at each site Table 40 How to Prepare the Configuration Fi...

Page 152: ... A route command device from the primary site to the remote site Not required Define a route list Not required A route command device of Local Primary Remote Define a route list Not required Not required A route command device of Remote Local Primary Transfer from the primary site Transfer from the primary site Define a copy group A Cnt Ac S copy for Mainframe group Copy group definition file Defi...

Page 153: ... on how to perform scans to acquire storage system information see Acquiring volume information page 430 To perform a scan from each host in a 3DC Multi Target configuration 1 Scan the primary site from the primary host 2 Scan the local site from the local host 3 Scan the remote site from the remote host 4 Transfer the scan results of each site to all other sites so that each site will have the sc...

Page 154: ...the path set definition file 2 From the primary host create a route list Primary Local Primary Remote This creates the route list definition file for the forward direction For details on how to define a route list see Defining a route list page 457 3 From the primary host establish an inter control unit logical path Primary Local and inter disk controller logical path Primary Remote 154 Configurat...

Page 155: ...site first followed by the local site and then the remote site The primary site first followed by the remote site and then the local site This creates the command device definition file For details on how to register a command device in a storage system see Registering a command device in a Storage System page 470 Settings for Operations on the Local Site 3DC Multi Target Configuration To set oper...

Page 156: ...mary or specify a path using Remote Web Console 2 From the local host create a route list Local Primary Remote For details on how to define a route list see Defining a route list page 457 3 From the local host establish an inter CU logical path Local Primary 156 Configuration Definitions ...

Page 157: ...mote site in that order For details on how to register a command device in a storage system see Registering a command device in a Storage System page 470 Settings for Operations on the Remote Site 3DC Multi Target Configuration To set operations on the remote site Defining a 3DC Multi Target configuration 157 ...

Page 158: ...ary or specify a path using Remote Web Console 2 From the remote host create a route list Remote Primary Local For details on how to define a route list see Defining a route list page 457 3 From the remote host establish an inter DKC logical path Remote Primary 158 Configuration Definitions ...

Page 159: ...ystem page 470 Creating a Copy Group 3DC Multi Target Configuration To create a copy group 1 Define Continuous Access Synchronous for MainFrame and Continuous Access Journal for MainFrame copy groups on the primary host where operation is to be performed 2 Make a copy pair for the Continuous Access Synchronous for MainFrame and Continuous Access Journal for MainFrame copy groups from the primary h...

Page 160: ...ync Configuration This section explains how to define a Delta Resync configuration The following legend is used for the figures in this section Configuration Example Delta Resync configuration Figure 79 page 161 shows an example of a delta resync configuration 160 Configuration Definitions ...

Page 161: ... is required for each of the primary local and remote sites Host One XP12000 XP24000 or P95000 disk array storage system is required for each site in all three storage systems are required Storage system A bidirectional physical path for logical paths and delta resync control paths connected by a Link between storage systems physical path Fibre Channel cable is required between the storage systems...

Page 162: ...imary and Remote Local routes are not required when Business Continuity Manager is not started at the remote site Use Remote Web Console or Business Continuity Manager for the setup Add an inter disk controller logical path bidirectional between the local and remote sites Logical path Use Remote Web Console for the setup Add a delta resync control path bidirectional between sites Delta resync cont...

Page 163: ...d command device definition file Continuity Manager runs Prepare the necessary route lists by referring to Table 44 page 163 This item is not necessary if you use Remote Web Console to set up logical paths The path set for the following logical paths is required Path set definition file An inter control unit logical path bidirectional between the primary site and the local site An inter disk contr...

Page 164: ...The target site cannot be used because of an error Preparing the Configuration Files Delta Resync Configuration Table 45 page 164 shows how to prepare the configuration files at each site Table 45 How to Prepare the Configuration Files at Each Site Delta Resync Configuration How to Prepare Contents File Type On the Secondary Site On the Local Site On the Primary Site Transfer from the primary site...

Page 165: ...An inter control unit logical path from the remote site to the primary site An inter disk controller logical path from the remote site to the local site Not required Not required Define a route list Route list definition file Command device definition file A route command device from the primary site to the local site A route command device from the primary site to the remote site Not required Def...

Page 166: ...mary site create the necessary path set definition file and route list definition file establish a logical path and register a command device 3 Perform setup on the local site On the local site create the necessary path set definition file and route list definition file establish a logical path and register a command device 4 Specify settings on the remote site On the remote site create the necess...

Page 167: ...ommand device In a delta resync configuration because operations might be necessary on each site you need to perform a scan from each host instead of a Remote Scan to acquire the correct information such as the device number DEVN To perform a scan from each host in a delta resync configuration to create a disk configuration definition file 1 Perform a Local Scan on the primary site from the primar...

Page 168: ...r logical paths Primary Remote or use Remote Web Console to specify a path 2 From the primary host create a route list Primary Local and Primary Remote routes 3 From the primary host establish an inter control unit logical path Primary Local and an inter disk controller logical path Primary Remote 168 Configuration Definitions ...

Page 169: ...egister a command device for each of the storage systems of the primary local and remote sites Settings on the Local Site Delta Resync Configuration To set operations on the local site Defining a Delta Resync Configuration 169 ...

Page 170: ...roller logical path Local Remote or specify a path by using Remote Web Console 2 From the local host create a route list Local Primary and Local Remote 3 From the local host establish an inter control unit logical path Local Primary and an inter disk controller logical path Local Remote 170 Configuration Definitions ...

Page 171: ...ster the command device for each of the storage systems on the local primary and remote sites Settings on the Remote Site Delta Resync Configuration To set operations on the remote site Defining a Delta Resync Configuration 171 ...

Page 172: ...te a route list Remote Local and Remote Primary This operation is not necessary when Business Continuity Manager is not started on the remote site 3 From the remote host establish an inter disk controller logical path Remote Primary Remote Local This operation is not necessary when this path is specified by using Remote Web Console as described in step 1 172 Configuration Definitions ...

Page 173: ...Ac S Z copy group between the primary site and the local site and a Cnt Ac J Z copy group between the primary site and the remote site 2 At the primary site define a Cnt Ac J Z copy group for the delta resync function For the sub consistency group ID sub C T ID JNLG the sub consistency group ID for the journal group specify the same journal group number that was used for the S VOL of the Cnt Ac J ...

Page 174: ...ual to the number of Cnt Ac S Z copy pairs and is also equal to the number of delta resync pairs to be created The copy pair status is DUPLEX The copy direction is from the primary site to the remote site 8 On the Cnt Ac J Z copy group for the delta resync function execute the delta resync pair creation command the YKMAKE command with the HOLD parameter specified 9 Monitor the Cnt Ac J Z copy grou...

Page 175: ...ction Cannot be Set Up or Operated Successfully page 340 Status transition from the HOLD status to the HOLDTRNS status and vice versa is performed asynchronously to user operations In the 3DC Multi Target configuration that includes delta resync pairs certain copy pair operations for a copy group automatically change the copy pair statuses of other copy pairs to other statuses Table 46 page 176 li...

Page 176: ...KRESYNC ALLJNL command for the delta resync pair Cnt Ac J Z copy pairs move using the TRANS status to the SUSPOP status Perform the Reverse Resync function for the Cnt Ac S Z copy pair to reverse the copying direction Defining a 2DC configuration with HyperSwap and Cnt Ac J Z This section describes how to define a 2DC configuration with HyperSwap and Continuous Access Journal for Mainframe Configu...

Page 177: ...the following sites Primary storage system Local storage system Primary storage system Remote storage system Local storage system Remote storage system Table 48 Storage System Setting Items HyperSwap Remarks Description Item Use Remote Web Console for the setup A journal group is required for each storage system Journal group Timer type SYSTEM Use Remote Web Console for the setup At least one jour...

Page 178: ... required for using Business Continuity Manager in a 2DC configuration with HyperSwap and Continuous Access Journal for Mainframe configuration Table 49 Required Configuration Files HyperSwap Remarks Description Item Disk configuration definition files are required on the primary storage Disk configuration definition file system local storage system and remote storage system Set this item before s...

Page 179: ...se Remote Web Console to set up logical paths The following path sets are required for logical paths Path set definition files An inter control unit logical path bidirectional must be established between the primary and local storage system An inter disk controller logical path bidirectional must be established between the primary and remote storage system An inter disk controller logical path bid...

Page 180: ...the remote storage system to the primary storage system An inter disk controller logical path from the remote storage system to the local storage system Not required Define a route list Route list definition file Command device definition file A route command device from the local storage system to the remote storage system A route command device from the primary storage system to the remote stora...

Page 181: ...ntrol path This section describes the definition procedure for a 2DC configuration with HyperSwap and Continuous Access Journal for Mainframe The following figure indicates the legend of the graphic contents used in the figures represented in the procedures Performing a scan 1 Perform a local scan for the primary storage system and local storage system at the primary site 2 Perform a local scan fo...

Page 182: ...the following logical paths on the primary host or specify the logical paths by using Remote Web Console Inter control unit logical paths Primary storage system Local storage system Local storage system Primary storage system Inter disk controller logical paths Primary storage system Remote storage system Local storage system Remote storage system 182 Configuration Definitions ...

Page 183: ...Local storage system Remote storage system HSRT2 Primary storage system Remote storage system 3 Establish an inter control unit logical path and inter disk controller logical path on the primary host Defining a 2DC configuration with HyperSwap and Cnt Ac J Z 183 ...

Page 184: ...4 Register a command device to be used for the HSRT1 route on the primary host 5 Register a command device to be used for the HSRT2 route on the primary host 184 Configuration Definitions ...

Page 185: ...using Remote Web Console Remote storage system Primary storage system Remote storage system Local storage system 2 Define the following route lists on the secondary host HSRT3 Remote storage system Primary storage system Remote storage system Local storage system 3 Establish an inter disk controller logical path on the secondary host Defining a 2DC configuration with HyperSwap and Cnt Ac J Z 185 ...

Page 186: ...group for Delta Resync To define a Continuous Access Synchronous for Mainframe copy group with the HyperSwap attribute do either of the following Execute the YKH2B command Specify HS for Linkage Option in the Copy Group Attributes panel For details on the YKH2B command and the Copy Group Attributes panel see the HP StorageWorks P9000 for Business Continuity Manager Software Reference Guide NOTE Yo...

Page 187: ... created copy group definition file to the secondary site 6 Set up a delta resync control path between storage systems by using Remote Web Console Defining a 4x4 configuration This section explains how to define a 4x4 configuration A 4x4 configuration example Figure 82 page 187 through Example of a 4x4 Configuration 1 Storage System 4 Storage System Configuration page 190 show 4x4 configuration ex...

Page 188: ...Figure 83 Example of a 4x4 Configuration 4 Storage System 4 Storage System Configuration 188 Configuration Definitions ...

Page 189: ...Figure 84 Example of a 4x4 Configuration 4 Storage System 1 Storage System Configuration Defining a 4x4 configuration 189 ...

Page 190: ...using Business Continuity Manager in a 4x4 configuration Table 51 Prerequisite Hardware 4x4 Configuration Remarks Description Item One unit for the primary site If copy group operations need to be performed Host from the secondary site also one unit for the secondary site Up to 12 DKCs for each site Primary site One or more XP12000 XP10000 Storage system XP24000 XP20000 or P9500 Disk Arrays Second...

Page 191: ...one arbitration command device is required for each subordinate DKC Arbitration command device Primary site storage system If the Reverse Resync function is used at least one arbitration command device is required for each subordinate DKC Use Remote Web Console for the setup Arbitration path An arbitration path from the supervisor disk controller at the secondary site to each subordinate disk cont...

Page 192: ...quired for using Business Continuity Manager in a 4x4 configuration Table 53 Required Configuration Files 4x4 Configuration Remarks Description Item The disk configuration definition file is required on the primary and secondary sites Disk configuration definition file This item is not necessary if you use Remote Web Console to set up logical paths A path set is required for inter disk controller ...

Page 193: ...d in the following procedure 1 Set up the storage system Set the items that need to be set by using Remote Web Console from among the items listed in Table 52 page 191 2 Set up a Business Continuity Manager environment Do the following Scan the storage system to create a disk configuration definition file Define a path set and establish a logical path Define a route list and register a command dev...

Page 194: ...ng a consistency group and defining an EXCTG see Defining the copy group ID and copy group attributes page 486 Adding a C T group page 487 and Defining an EXCTG page 489 Defining a new 4x4 configuration To define a new 4x4 configuration perform the following procedure Setting up the Storage System Set up the following items by using Remote Web Console 1 Configure an arbitration command device on t...

Page 195: ... journal group timer type SYSTEM in the storage system P2 and the storage system S2 Setting up a Business Continuity Manager Environment Create a disk configuration definition file for each of the storage systems P2 and S2 Establish a logical path between the storage systems P2 and S2 Define a route between the storage systems P2 and S2 Register a command device for each of the storage systems P2 ...

Page 196: ...t up an arbitration path from the supervisor disk controller S1 to the subordinate disk controller S2 3 Map the arbitration command device on the subordinate disk controller S2 to the supervisor disk controller S1 setup of the remote command device Creating a Copy Group Create a copy group from the primary site To change to a 4x4 configuration without adding storage systems to a 2DC configuration ...

Page 197: ... on the subordinate disk controller S3 to the supervisor disk controller S1 setup of the remote command device 4 Register the journal group timer type SYSTEM in the storage system P3 and the storage system S3 Setting up a Business Continuity Manager Environment Create a disk configuration definition file for each of the storage systems P3 and S3 Establish a logical path between the storage systems...

Page 198: ...x4 configuration perform the procedure below The following figure is a representation of the addition Setting up the Storage System Set up the following items by using Remote Web Console 1 Configure an arbitration command device on the subordinate disk controller S3 2 Set up an arbitration path from the supervisor disk controller S1 to the subordinate disk controller S3 3 Map the arbitration comma...

Page 199: ...c J Z the status will be changed to PENDING on the storage system side 2 If an error occurs during the execution of the YKMAKE YKQUERY or YKEWAIT command or the status does not change to DUPLEX use the YKQRYDEV command the Volume Query Information Cnt Ac J Z panel to check the registration status the EXCTG registration flag For details on the EXCTG registration flag see the Volume Query Informatio...

Page 200: ... Only EXCTG registration flag Storage system status of the copy pair2 Copy pair status1 EXCTG registration status Nothing is displayed SIMPLEX SIMPLEX Not registered yet inactive 0 0 N A N A 0 PENDING PENDING DUPLEX DUPLEX inactive 0 0 N A N A 1 PENDING PENDING Registered DUPLEX DUPLEX EXCTG Registration when the Copy Operation is Performed in the Reverse Direction Table 58 page 200 through Table ...

Page 201: ...ING During registration N A N A 0 active 1 1 PENDING PENDING Registered DUPLEX DUPLEX 1 Information displayed by the YKEWAIT or YKQUERY command 2 Information displayed by the YKQRYDEV command Deleting a journal group from a copy group container with EXCTG ID specified 4x4 configuration To delete a journal group from a copy group container with the EXCTG ID specified 1 Execute the YKDELETE command ...

Page 202: ...Configuration example 4x4x4 Cascade The following figure shows an example of a 4x4x4 Cascade configuration 2x2x2 202 Configuration Definitions ...

Page 203: ...on 2x2x2 Preparing Hardware 4x4x4 Cascade The following tables describe the prerequisite hardware and the storage system settings required to use Business Continuity Manager in a 4x4x4 Cascade configuration Defining a 4x4x4 Cascade Configuration 203 ...

Page 204: ...upervisor disk controller to each subordinate disk controller unidirectional Arbitration path Use Remote Web Console for the setup Set up a remote command device by mapping it to the supervisor disk controller of the arbitration command device Remote command device Use Remote Web Console for the setup A journal group is required for each storage system between the intermediate site and the remote ...

Page 205: ...e is required Continuous Access Synchronous Z timestamp transfer mode enabled and the Continuous Access Synchronous Z Consistency Preservation Function used Copy groups used for error handling must be created by dividing the above copy group container by storage system Continuous Access Synchronous Z timestamp transfer mode enabled and the Continuous Access Synchronous Z Consistency Preservation F...

Page 206: ...Not required Not required A Remote Intermediate Primary route command device Transfer from the primary site Transfer from the primary site Define a copy group A Continuous Access Synchronous Z copy group Copy group definition file Define a copy group A Continuous Access Journal Z copy group Definition procedure 4x4x4 Cascade Basically a 4x4x4 Cascade configuration is defined with the following pro...

Page 207: ...mand device page 119 For details on how to operate the ISPF panels see Registering a command device in a Storage System page 470 Procedure for defining a copy group For details on how to operate the ISPF panels for defining a copy group container adding a consistency group and defining an EXCTG see Defining the copy group ID and copy group attributes page 486 Adding a C T group page 487 and Defini...

Page 208: ...environment on the intermediate site 1 From the intermediate host define a path set consisting of inter control unit logical paths Intermediate Primary and inter disk controller logical paths Intermediate Remote or use Remote Web Console to specify a path 2 From the intermediate host define a route list Intermediate Primary and Intermediate Remote routes 208 Configuration Definitions ...

Page 209: ...3 From the intermediate host establish an inter control unit logical path Intermediate Primary and an inter disk controller logical path Intermediate Remote Defining a 4x4x4 Cascade Configuration 209 ...

Page 210: ...emote sites Setting up an environment on the primary site 1 From the primary host define a path set consisting of inter control unit logical paths Primary Intermediate or specify a path by using Remote Web Console 2 From the primary host define a route list Primary Intermediate Remote route 210 Configuration Definitions ...

Page 211: ...3 From the primary host establish an inter control unit logical path Primary Intermediate Defining a 4x4x4 Cascade Configuration 21 1 ...

Page 212: ...tems at the primary intermediate and remote sites Setting up an environment on the remote site 1 From the remote host define a path set consisting of inter disk controller logical paths Remote Intermediate or use Remote Web Console to specify a path 212 Configuration Definitions ...

Page 213: ...om the remote host define a route list Remote Intermediate Primary route 3 From the remote host establish an inter disk controller logical path Remote Intermediate Defining a 4x4x4 Cascade Configuration 213 ...

Page 214: ...eating a Copy Group Using the copy group in the following figure as an example the following describes how to define a copy group create a copy pair and register the copy pair in the EXCTG of the storage system Figure 87 4x4x4 Cascade Copy Group Perform the following procedure from the primary host 214 Configuration Definitions ...

Page 215: ... Divide the above copy group container into copy groups defined as TCG1 and TCG2 each of which is assigned to a storage system Continuous Access Synchronous Z timestamp transfer mode Enabled Continuous Access Synchronous Z Consistency Preservation Function Use Define a Continuous Access Journal Z EXCTG UREX between the intermediate site and the remote site Divide the above EXCTG into copy groups d...

Page 216: ...TG of the storage system Expanding to a 4x4x4 Cascade Configuration by Adding a Continuous Access Journal Z Copy Group to a Continuous Access Synchronous Z Copy Group The following describes the procedure for expanding the configuration to a 4x4x4 Cascade configuration by adding Continuous Access Journal Z copy groups to Continuous Access Synchronous Z copy groups The following figure shows a conf...

Page 217: ... command device on the subordinate disk controller 2 Set up an arbitration path from the supervisor disk controller to the subordinate disk controller 3 Map the arbitration command device on the subordinate disk controller to the supervisor disk controller setup of the remote command device 4 Register the journal group timer type SYSTEM in each of the intermediate site and remote site storage syst...

Page 218: ...age system 2 Transfer the disk configuration definition file containing the scan results to the primary and intermediate sites Setting up an environment on the intermediate site 1 From the intermediate host define a path set consisting of inter disk controller logical paths Intermediate Remote or use Remote Web Console to specify a path 218 Configuration Definitions ...

Page 219: ... the intermediate host create a route list Intermediate Remote route 3 From the intermediate host establish an inter disk controller logical path Intermediate Remote Defining a 4x4x4 Cascade Configuration 219 ...

Page 220: ...r a command device for the remote site storage system Setting up an environment on the primary site 1 Add a remote site storage system to the Primary Intermediate route of the primary host extending the route 220 Configuration Definitions ...

Page 221: ...e site storage system Setting up an environment on the remote site 1 From the remote host define a path set consisting of inter disk controller logical paths Remote Intermediate or use Remote Web Console to specify a path Defining a 4x4x4 Cascade Configuration 221 ...

Page 222: ...2 From the remote host create a route list Remote Intermediate Primary route 3 From the remote host establish an inter disk controller logical path Remote Intermediate 222 Configuration Definitions ...

Page 223: ...CTG of the storage system Figure 89 Copy group Example when Continuous Access Journal Z Copy Groups are Added for Expansion to a 4x4x4 Cascade Configuration Perform the following procedure from the primary host 1 From the ISPF panel define the following copy groups Define a Continuous Access Journal Z EXCTG UREX between the intermediate site and the remote site Divide the above EXCTG into copy gro...

Page 224: ...de for the Continuous Access Synchronous Z copy groups TCCG TCG1 and TCG2 from disabled to enabled To enable the timestamp transfer mode specify Y for TIMESTAMP in the Copy Group Attributes For Container TC panel 5 Execute the YKRESYNC command for the Continuous Access Synchronous Z copy group container TCCG to resynchronize the copy pairs 6 Execute the YKEWAIT GOTO DUPLEX command to continue moni...

Page 225: ... Transfer the copy group definition file containing changes and new definitions to the intermediate site and remote site Expanding to a 4x4x4 Cascade Configuration by Adding a Series of Storage Systems to a 3DC Cascade Configuration The following describes the procedure for expanding a 3DC Cascade configuration to a 4x4x4 Cascade configuration by adding a series of storage systems The following fi...

Page 226: ...p the arbitration command device on the subordinate disk controller to the supervisor disk controller setup of the remote command device 4 Register the journal group timer type SYSTEM in each of the intermediate site and remote site storage systems Setting up a Business Continuity Manager Environment For the series of storage systems to be added scan the storage system define a path set and a rout...

Page 227: ... Copy Group Attributes For Container TC panel To use the Continuous Access Synchronous Z Consistency Preservation Function specify a consistency group ID in the Setting C T ID Attributes panel and then specify Y for FREEZE SCP in the Copy Group Attributes panel Define a Continuous Access Synchronous Z copy group container TCCG between the primary site and the intermediate site timestamp transfer m...

Page 228: ...lve the copy pair of the Continuous Access Synchronous Z copy group TCG1 and create it again 5 Execute the YKRESYNC command for the Continuous Access Synchronous Z copy group TCG1 to resynchronize the copy pairs The status of the Continuous Access Journal Z copy group URG1 automatically changes to SUSPOP 6 Execute the YKEWAIT GOTO DUPLEX command for the Continuous Access Synchronous Z copy group T...

Page 229: ...inuous Access Synchronous Z copy group container TCCG 12 Execute the YKMAKE SELECT COND command for the Continuous Access Synchronous Z copy group container TCCG 13 Execute the YKEWAIT GOTO DUPLEX command for the Continuous Access Synchronous Z copy group container TCCG to continue monitoring until the status has changed to DUPLEX A copy pair for the added storage system is created 14 Execute the ...

Page 230: ... containing changes and new definitions to the intermediate site and remote site Checking the registration status of the EXCTG For details on how to check the registration status of EXCTG see page 199 Defining a configuration so that the CAJ ATTIME Suspend function can be used This section describes how to define a configuration that allows you to use the CAJ ATTIME suspend function Configuration ...

Page 231: ... site If copy group operations need to be Host performed from the secondary site also install a host machine at that site The maximum number of storage systems for each site depends on the storage systems Primary site one or more XP12000 XP10000 XP24000 XP20000 or P9500 Disk Arrays Storage system Secondary site one or more XP12000 XP10000 XP24000 XP20000 or P9500 Disk Arrays Establish a bidirectio...

Page 232: ... Two command devices are required for each storage system four in total Command device This is required when a reverse direction command device uses the Remote DKC Forward direction Each storage system requires one command device for the route Primary Secondary Control Function to operate a primary site storage system from a secondary site Reverse direction Each storage system requires one command...

Page 233: ...me C T group ID must be linked A 4x4 configuration cannot be defined to the same Cnt Ac J Z journal group A delta resync configuration cannot be defined A maximum of three BC Z copy groups with a C T group ID specified can be linked to a single Cnt Ac J Z journal group For example in Figure 93 page 234 the bottom Cnt Ac J Z copy pair cannot have a second generation backup Set this item before star...

Page 234: ...rvation function can be used This section describes a configuration definition that allows you to use the Open MF Consistency Preservation Function by using an example of a 2DC configuration Configuration example Open MF Consistency Figure 94 page 235 shows a configuration example for using the Open MF Consistency Preservation Function 234 Configuration Definitions ...

Page 235: ...condary site is optional One host is at the primary site and another host is at the secondary site Host Primary site one or more XP12000 XP10000 or XP24000 XP20000 Disk Arrays Storage system Secondary site one or more XP12000 XP10000 or XP24000 XP20000 Disk Arrays Operation is only possible in forward direction paths However when A bidirectional physical path must be established between the primar...

Page 236: ...rks Description Item None Disk configuration definition files are required on the primary site and secondary site Disk configuration definition file Set this item before starting a copy operation A different route is required for each of the forward and reverse directions A reverse route is optional Route list definition file and command device definition file The reverse route is required when yo...

Page 237: ...a resynchronization without specifying the option the change to the definitions will not be reflected in the storage system settings 1 Load the copy group definition file 2 Suspend the copy group 3 Change the value of OPEN MF to Y in the Copy Group Attributes panel and update the copy group definition file If a consistency group ID has not been specified specify the same consistency group ID as th...

Page 238: ...te the YKQUERY command with the VERIFY parameter before the resynchronization process has not completed the YKZ271E error occurs because of an inconsistency between definitions and entities 238 Configuration Definitions ...

Page 239: ... the base copy group definition file and newly generate a copy group definition file Overwrite the base copy group definition file with the contents of the CSV file This section describes how to generate a copy group definition file Required files CSV file for copy group definition To generate a copy group definition file by executing the YKIMPORT command the following files are required Table 71 ...

Page 240: ...in the Copy Group Attributes panel If no value is defined the default value is set for each copy type For details on the default values see the explanation of the Copy Group Attributes panel in the HP StorageWorks P9000 for Business Continuity Manager Software Reference Guide However if there are no copy pairs in the base copy group definition file for the following items a value is set according ...

Page 241: ...n the copy type is XP Continuous Access If no consistency group ID is defined all copy pairs described in the CSV file are defined as the same copy group If a consistency group ID is defined copy pairs with the same consistency group ID and the same storage system serial number on the primary or secondary site are defined as the same copy group When the copy type is XP Continuous Access Asynchrono...

Page 242: ...irs that have the same value for all items below are defined as the same copy group Consistency group ID Subconsistency group ID Primary site storage system serial number Secondary site storage system serial number Figure 97 page 243 shows an example of a copy group definition when the copy type is Continuous Access Journal 242 Importing copy groups ...

Page 243: ...ss Journal copy group definition Generation Example CSV File for Copy Group Definition Figure 98 page 244 shows an example of creating a copy group definition file from CSV files Generating a copy group definition file by using CSV files 243 ...

Page 244: ... scanning the volumes to be used 4 Prepare a copy group definition file in which the attributes you want to be inherited are defined For details on the attributes you need to define see Attributes to be defined in a base copy group definition file page 240 5 Execute the YKIMPORT command A copy group definition file is generated You can select either new creation or overwrite Example of JCL for CSV...

Page 245: ...py group container is described This file is generated for 4x4 configurations only CSV files can be generated for all copy types This section describes how to generate CSV files Required files CSV file for copy group definition To generate a CSV file by executing the YKEXPORT command the following files are required Disk configuration definition file Copy group definition file Before executing the...

Page 246: ...h job BCMEXPOT JOB YKEXPORT EXEC PGM IKJEFT01 REGION 4096K STEPLIB DD DSN BCM VXXXXXX HDSYLNKT DISP SHR SYSTSPRT DD SYSOUT S SYSABEND DD SYSOUT OUTPAIR DD DSN BCM PCSV UNIT 3390 VOL SER BCMCSV DISP NEW CATLG SPACE CYL 1 1 DCB RECFM VB LRECL 256 BLKSIZE 4096 DSORG PS OUTEXCTG DD DSN BCM ECSV UNIT 3390 VOL SER BCMCSV DISP NEW CATLG SPACE CYL 1 1 DCB RECFM VB LRECL 256 BLKSIZE 4096 DSORG PS SYSTSIN D...

Page 247: ...s from the actual device configuration scan the volumes to be used and re create a disk configuration definition file Note that the contents of the disk configuration definition file must be consistent with the copy group configuration 2 Execute the YKEXPORT command A pair information CSV file and EXCTG information CSV file are generated 3 Download the pair information CSV file and EXCTG informati...

Page 248: ...ever the disk configuration definition files are not created so you will need to create them beforehand Perform the following before generating a copy group definition file For JCL JOB Statement in the Set Defaults panel set the value used for the background job for scanning the PPRC copy pair P VOLs Create a disk configuration definition file for the P VOLs and S VOLs Secure a dataset for storing...

Page 249: ... definition file Copy types and generation units for which definitions can be generated Table 74 page 249 lists the copy types for which copy group definition files can be generated and the units by which the copy group definition files are generated Table 74 Copy types and generation units for which definitions can be generated Remarks Generated unit Copy type To generate copy group definition fi...

Page 250: ... the supported pair creation command CESTPAIR Supported Value Parameter Copy Type Yes COPY MODE BC Z and Cnt Ac S Z No NOCOPY No pace PACE Yes Omitted No YES CRIT Yes NO No YES MSGREQ Yes NO Yes AGnnX cmd_parm Cnt Ac A No AVnnX Yes COPY MODE No NOCOPY No pace PACE Yes Omitted No YES CRIT Yes NO No YES MSGREQ Yes NO Table 76 Parameter values for the supported pair suspend command CSUSPEND Supported...

Page 251: ...rage System panel Specify a value and press the Enter key to start the background job for scanning PPRC copy pair P VOLs This will generate a copy group definition file for the PPRC copy pairs with the detected P VOLs and their corresponding S VOLs The device address domain ID belonging to the P VOLs of the scanned PPRC copy pairs The device address domain ID belonging to the S VOLs of the scanned...

Page 252: ... how to generate copy group definition files Note that the following conditions are not indicated in the figures Range of device numbers for scanned P VOLs 7300 to 730F Prefix of the configuration files BCM MIGRATE For Cnt Ac S copy pairs a check to confirm whether HyperSwaps are enabled for PPRC copy pairs When monitoring PPRC Cnt Ac S Cnt Ac A copy pairs Example configuration for a PPRC copy pai...

Page 253: ... Copy Pair Inside Storage System panel Press the Enter key to generated copy group definition files named as follows BCM MIGRATE GRP BCMSI00 When monitoring only PPRC Cnt Ac S Z BC Z copy pairs Figure 103 page 254 shows a configuration in which a PPRC Cnt Ac S Z copy pair and BC Z copy pair are run together Importing definitions for monitoring PPRC copy pairs 253 ...

Page 254: ...llowing in the Scan Copy Pair Inside Storage System panel Press the Enter key to generated copy group definition files named as follows BCM MIGRATE GRP BCMTCS00 BCM MIGRATE GRP BCMSI00 Importing SMS storage group definitions Preparing to use SMS storage group definitions This section explains how to prepare for using SMS storage group definition data 254 Importing copy groups ...

Page 255: ... you can easily create a copy group In addition to the copy group creation procedure adding volumes to the SMS storage group on the host might take place while the copy group that imported the SMS storage group definition is running For this purpose an addition procedure that imports the SMS storage group information compares the defined P VOL and automatically displays the added volumes as a P VO...

Page 256: ...t file name should be 8 or fewer characters If you use the SMS list output function of Business Continuity Manager to acquire the volume list Business Continuity Manager automatically creates the JCL to acquire the DCOLLECT data For details see About the SMS list output function page 257 Importing new storage group information To import attributes of newly created SMS storage groups into Business ...

Page 257: ...nfirm that the started job has finished HP recommends that you specify NOTIFY in the JOB statement coded in the Set Defaults panel Business Continuity Manager treats the SMS storage group name specified in SMS Storage Group Name column as a part of the dataset name Accordingly the name must be 8 characters or fewer However without a complete SMS storage group name data cannot be acquired from DFSM...

Page 258: ...ed as a command device cannot be defined as a volume for a copy group simultaneously If the command device is defined as a volume in a copy group by mistake when the corresponding copy group is used it results in an I O error When a command device fails prepare new volumes for the Primary storage system and the Secondary storage system recreate the route list with a new APID and register the list ...

Page 259: ...es YKSUSPND CANCEL Yes Yes Yes Yes Yes Yes Yes Yes No Some times Yes Yes Yes Yes Yes No YKDELETE 1 The ATTIME suspend function will be executed for the target consistency group only when all the copy pairs in the consistency group are in the DUPLEX status Legend Yes The command is subject to processing No The command is not subject to processing Sometimes The command is only subject to processing ...

Page 260: ... N A Not applicable Copy Pair Operations Common to All Copy Types HP recommends that you execute the YKSUSPND and YKDELETE commands when the status of the P VOL or S VOL in a copy group is DUPLEX or SUSPER Acquire the latest volume status with the YKQUERY or YKEWAIT command before performing each operation for a copy pair by using CLI commands Business Continuity Manager cannot perform copy pair o...

Page 261: ... Remote Web Console Copy Pair Operations for Cnt Ac J Z If you issue the YKSUSPND command to reverse the copy direction while the volume status is changing from SIMPLEX to DUPLEX via the YKMAKE command the copy pair will immediately be suspended If this occurs the copy operation that changes the volume status to DUPLEX has not been completed Consequently the original contents of the P VOL will be ...

Page 262: ...siness Continuity Manager might wait for a long period Before performing a registration in the configuration file verify that the value of MIH time out is appropriate Working with scripts Business Continuity Manager manages the static storage system configuration using configuration files XML files Using CLI commands you can read storage system configuration information from these XML files and ap...

Page 263: ...ess Continuity Manager can change the collective status of copy pairs For example to change the status of a copy pair to SUSPOP use the YKSUSPND command to specify the copy group whose status you want to change to SUSPOP Monitoring the Copy Pair Status Completion of a command that operates on a copy pair does not mean completion of the copy pair operations for the entire copy group To confirm the ...

Page 264: ...e the YKSUSPND command When the YKSUSPND command is executed the copy group is moved to the suspend status Resynchronizing a Copy Group To move a copy group in the suspend status back to the DUPLEX status execute the YKRESYNC command Displaying the Status of a Copy Group You can check the transitions of copy pair statuses within a copy group that are caused by a series of copy group operations To ...

Page 265: ...dure correspond to those in Figure 107 page 266 To create a copy group is shown in Figure 106 page 265 1 Creating a Cnt Ac J Z copy group starting copy group operation Load the copy group definitions of Cnt Ac J Z and BC Z by using the YKLOAD command and make sure that the status is SIMPLEX by using the YKQUERY command Then make a Cnt Ac J Z copy group by using the YKMAKE command Wait until the st...

Page 266: ...WAIT command 5 Resynchronizing a Cnt Ac J Z copy group Resynchronize the Cnt Ac J Z copy group by using the YKRESYNC command Wait until the status is DUPLEX by using the YKEWAIT command When the Cnt Ac J Z copy group changes to the DUPLEX status the copy group operation has started Figure 107 Procedure for Making a Copy Group Post operation status normal status Cnt Ac A copy group DUPLEX BC Z copy...

Page 267: ...Creating a Copy Group page 265 In step 3 execute the YKRESYNC command to resynchronize the BC Z copy group Operational Testing Figure 108 page 267 and Figure 109 page 268 show an example operation for performing operational testing in a 2DC configuration Figure 108 Operational Testing 1 2 Operating a copy group 267 ...

Page 268: ...using the Cnt Ac J Z ATTIME Suspend function This section describes backup operations that use the Cnt Ac J Z ATTIME suspend function The following figure provides a legend for the figures relating to operating procedures in this section Status During Normal Operations During normal operations place the Cnt Ac J Z copy pair in the DUPLEX status and the BC Z copy pair in the SUSPOP status Suppose t...

Page 269: ...as backed up when the copy pairs were last suspended Figure 1 10 Example of a Backup Operation Configuration Using the Cnt Ac J Z ATTIME Suspend Function Obtaining Cnt Ac J Z ATTIME Backups To obtain a backup Backup operations using the Cnt Ac J Z ATTIME Suspend function 269 ...

Page 270: ...RPSI1 and put it in the DUPLEX status YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX All updates made to the Business Copy for Mainfame P VOL SIP after the copy pairs were last suspended are applied to the Business Copy for Mainfame S VOL SIS1 270 Using Business Continuity Manager ...

Page 271: ...terminates normally a backup is taken of the BC Z S VOL SIS1 You can manage backup generations by obtaining the next backup of the BC Z copy group GRPSI2 S VOL SIS2 If an Error Occurs While Copy Pairs Are Suspended You can check whether an error has occurred while copy pairs are suspended by examining the YKZ407E or YKZ408E message that is output when the YKQUERY or YKEWAIT command is executed for...

Page 272: ...e suspension execution status is not timed out If the status is timed out see the YKZ409E message to determine whether the volume can be used for restoration The BC Z copy pair ATTIME suspend time is the latest The Cnt Ac J Z copy pairs were in the DUPLEX status when copy pairs were suspended If the BC Z copy group consists of multiple storage systems the ATTIME suspend time is the latest among th...

Page 273: ...y using the YKQRYDEV command If ATTIME suspension information is set cancel it by executing the YKSUSPND command with the CANCEL parameter specified Monitoring status and changing configurations in a 3DC Cascade configuration This section explains operational procedures in a 3DC Cascade configuration Make a copy pair for the Cnt Ac S Z copy group first and then for the Cnt Ac J Z copy group Once a...

Page 274: ... are damaged by a disaster The following explains operations when a SUSPER status is detected during copy status monitoring from the primary host When the Cnt Ac S consistency preservation function is not used If the SUSPER status is detected for a Cnt Ac S copy group Determine the cause of the failure and then restore the copy group according to the failure After restoration execute the YKSUSPND ...

Page 275: ... Ac J Z copy group If the SUSPER status is detected for a Cnt Ac J Z copy group Error monitoring for the Cnt Ac S copy group continues Determine the cause of the failure and then restore the copy group according to the failure After restoration execute the YKRESYNC SELECT COND VOLUNIT command for the Cnt Ac J Z copy group Changing Configurations of Cnt Ac S Z and Cnt Ac J Z Copy Groups The followi...

Page 276: ...copy group status is DUPLEX and then execute the YKMAKE SELECT COND command for the copy pair that has been added to the Cnt Ac S Z copy group definition HP recommends that you execute the YKQUERY command before executing the YKMAKE command because the YKMAKE command is executed only for the added copy pair If the YKQUERY command is not executed beforehand an I O error might occur during the YKMAK...

Page 277: ...that contains a volume to be deleted and another copy pair that shares one of the volumes in that copy pair After the copy pair is dissolved delete the copy pair from the Cnt Ac S Z and Cnt Ac J Z copy group definitions 1 From the primary host make sure that the Cnt Ac S Z and Cnt Ac J Z copy group statuses are DUPLEX and then execute the YKDELETE DEVN command for the Cnt Ac S Z copy group Specify...

Page 278: ... FlashCopy linkage configurations This section describes operation in FlashCopy linkage configurations Using the Compatible FlashCopy Linkage Function in a 2DC Configuration This section describes the operations that are performed in 2DC configurations for each of the following statuses of a copy pair linked with FlashCopy For details about the status of a copy pair 278 Using Business Continuity M...

Page 279: ...ss Synchronous Z Continuous Access Journal Z or Continuous Access Asynchronous Compatible FlashCopy Linkage When the Copy Pair Is in the DUPLEX Status The following figure shows the flow of operations when Compatible FlashCopy copy pairs are combined with Cnt Ac S Z or Cnt Ac J Z copy pairs in the DUPLEX status Before Compatible FlashCopy execution During execution of Compatible FlashCopy When Com...

Page 280: ...s Compatible FlashCopy to be executed while the Cnt Ac S Z copy pair is in the DUPLEX status In a configuration in which Compatible FlashCopy using the Preserve Mirror function is linked to a Cnt Ac S Z copy pair must be linked to the FlashCopy P VOL and another Cnt Ac S Z pair must be linked to the Compatible FlashCopy S VOL Also Compatible FlashCopy using the Preserve Mirror function can only be...

Page 281: ...ith the Compatible FlashCopy S VOL might become inconsistent Business Continuity Manager is able to obtain this status the status in which the consistency of data on the P VOL and the S VOL cannot be guaranteed as the CONSLOST status If the Cnt Ac S Z copy pair is placed in the CONSLOST status you need to dissolve the copy pair and then create it again The following describes the procedure for rec...

Page 282: ...ty Manager Software Reference Guide Compatible FlashCopy Linkage When the Copy Pair Is in the Suspend Status The following describes the operation procedure for Compatible FlashCopy linkage when Cnt Ac S Z Cnt Ac A or Cnt Ac J Z copy pairs are in the suspend status To perform operations that use the Compatible FlashCopy linkage function 1 Suspend the Cnt Ac S Z Cnt Ac A or Cnt Ac J Z copy pair 2 E...

Page 283: ...atible FlashCopy Linkage Function in a 3DC Multi Target Configuration This section describes how to use the Compatible FlashCopy linkage function in a 3DC Multi Target configuration In a 3DC Multi Target configuration Compatible FlashCopy can be executed when Cnt Ac S Z copy pairs or Cnt Ac J Z copy pairs are in the suspend status To use the Compatible FlashCopy linkage function in a 3DC Multi Tar...

Page 284: ...monitor the completion status of Compatible FlashCopy run a script that includes the YKFCSTAT command During Compatible FlashCopy processing copy pairs in the DUPLEX status will change to the Pending status The copy pairs will return to the DUPLEX status after the Compatible FlashCopy process ends 4 Resynchronize the copy pairs suspended in step 1 After confirming the completion of Compatible Flas...

Page 285: ...ation structure Normal termination Target State0 0 Copying was performed in NOCOPY mode Error Target State0 1 and Target State2 1 Copying encountered an error or other event that prevented copying from continuing Target State0 1 and Target State6 1 Incremental Compatible FlashCopy was used Target State0 1 and Target State7 1 Use the YKSLEEP command to suspend script execution for a certain period ...

Page 286: ... 1 Flow of Monitoring the Status of PPRC Copy Pairs To monitor PPRC copy pairs from Business Continuity Manager 1 Make sure that copy pairs are running on the PPRC 2 Use Business Continuity Manager to scan the storage system with the PPRC copy pairs and then generate the disk configuration definition file 3 Use the Copy Group Definition Generation Function to generate copy group definition files f...

Page 287: ...and Figure 1 12 Command Coverage for Commands Other Than the Suspend Command for a Consistency Group That Has the Consistency Attribute When you perform the suspend operation from Business Continuity Manager the Business Continuity Manager copy groups are subject to the operation but open system copy groups that are not in the same consistency group are not subject to the operation Resynchronizing...

Page 288: ...ilbacks differ depending on the configuration of the data center Failovers and failbacks are not required for some types of maintenance and failures The following sections explain the maintenance and troubleshooting operations for each data center configuration Using a 2DC Configuration In a 2DC configuration you can use the Reverse Resync Function which reverses the copy direction of copy pairs t...

Page 289: ...Using a 2DC Configuration 289 ...

Page 290: ...Failback Procedure The following shows the failback procedure in a 2DC configuration 290 Maintenance and Troubleshooting Operations ...

Page 291: ...Notes on Failovers and Failbacks in a 2DC Configuration The following are points to note when you perform failovers and failbacks in a 2DC configuration Using a 2DC Configuration 291 ...

Page 292: ...ns in the Secondary site or both in the Primary site and Secondary site To remake a copy pair check the status of the consistency group ID from Remote Web Console delete the consistency group from the Secondary site and then reregister the consistency group in the Primary site again While the copy group status is SWAPPING by issuing the YKSUSPND command to reverse the copy direction do not execute...

Page 293: ...continue operation perform a failover to switch operation from the primary host to the secondary host The following describes the failover and failback procedures in a 3DC Cascade configuration Failover Procedure To perform a failover in a 3DC Cascade configuration 1 Execute the YKRECVER command for the Cnt Ac S copy group Before executing the YKRECVER command you must execute the YKQUERY command ...

Page 294: ...torage system on the remote site are not accessible do not recover the applications until you finish steps 1 to 5 Failback Procedure Perform a failback to resume normal operation You cannot perform a failback until Cnt Ac S Z and Cnt Ac J Z copy operations from the primary host are enabled To perform a failback in a 3DC Cascade configuration 294 Maintenance and Troubleshooting Operations ...

Page 295: ...his operation if the failover has changed the Cnt Ac J Z copy group status to DUPLEX reverse copy direction 3 From the primary host make sure that the Cnt Ac J Z copy group status is DUPLEX and then execute the YKSUSPND REVERSE command for the Cnt Ac J Z copy group 4 From the primary host make sure that the Cnt Ac J Z copy group is in the suspend status and then execute the YKDELETE command for th...

Page 296: ...xecute the YKMAKE REVERSE command If the Cnt Ac S Z copy group status is not SIMPLEX execute the YKDELETE command make sure that the status has become SIMPLEX and then execute the YKMAKE REVERSE command 6 From the primary host make sure that the Cnt Ac S Z copy group status is DUPLEX and then execute the YKSUSPND FORWARD command for the Cnt Ac S Z copy group 296 Maintenance and Troubleshooting Ope...

Page 297: ...ute the YKRESYNC FORWARD command for the Cnt Ac S Z copy group 8 Transfer the application information to the primary site Using a Delta Resync Configuration Table 82 page 298 describes maintenance and troubleshooting operations for a delta resync configuration Using a Delta Resync Configuration 297 ...

Page 298: ... in which operation is performed from the local site Local Primary Local Remote Operation in a delta resync configuration is not affected Local site host maintenance 5 Operation in a delta resync configuration is not affected Remote site host maintenance 6 Operating procedure during a primary site Perform a delta resync and then Primary site storage system volatile Failure 7 storage system failure...

Page 299: ...host failure Perform a delta resync and then Primary site host failure 13 change the configuration to a 3DC Multi Target configuration in which the operation is performed from the local site Local Primary Local Remote Operating procedure during a path failure Suspend Cnt Ac S Z copy pairs and then Path failure between the Primary Local storage systems 14 between the primary change the site storage...

Page 300: ...een the primary site and the remote site YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 3 From the local site execute the YKSUSPND REVERSE command for the Continuous Access Synchronous for Mainframe copy pair YKQUERY YKSUSPND REVERSE YKEWAIT GOTO SUSPND Operation at the local site can be started before executing the YKRESYNC DELTAJNL command However the time it takes for the delta resync pairs betwee...

Page 301: ...L command for the delta resync pair YKQUERY YKRESYNC DELTAJNL YKEWAIT GOTO DUPLEX If the command is successful the Cnt Ac J Z copy pair on the primary site and the remote site is automatically moved to the HOLD status delta resync pair 6 From the local site execute the YKSUSPND REVERSE command for the Continuous Access Synchronous for Mainframe copy pair Using a Delta Resync Configuration 301 ...

Page 302: ...n the 2DC configuration is performed on the local site and remote site Failback to the Primary Site To perform failback 1 Terminate primary site storage system maintenance 2 Stop operation on the local site 3 From the primary site execute the YKRESYNC REVERSE command for the Cnt Ac S Z copy pair 302 Maintenance and Troubleshooting Operations ...

Page 303: ...nue monitoring until the status changes to HOLD YKEWAIT GOTO HOLD 4 From the primary site execute the YKSUSPND FLUSH command for the Continuous Access Journal for Mainframe copy pair between the local site and the remote site YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 5 From the primary site execute the YKSUSPND FORWARD command for the Cnt Ac S Z copy pair Using a Delta Resync Configuration 303 ...

Page 304: ...AIT GOTO SUSPEND 6 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous for Mainframe copy pair YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX 304 Maintenance and Troubleshooting Operations ...

Page 305: ...ges to the HOLD status delta resync pair Operation is returned to normal NOTE If during operation the status of a delta resync pair changes to HOLDTRNS NODELTA or HOLDER see Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated Successfully page 340 Performing Local Site Storage System Maintenance This subsection explains the procedures for performing local site storage s...

Page 306: ...ontinuous Access Synchronous Z copy pair YKQUERY YKSUSPND FORWARD YKEWAIT GOTO SUSPEND 2 Start local site storage system maintenance Change the configuration to a 2DC configuration in which operation is performed from the primary site 306 Maintenance and Troubleshooting Operations ...

Page 307: ...ommand for the Continuous Access Synchronous Z copy pair YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Operation is returned to normal Performing Remote Site Storage System Maintenance This subsection explains the procedures for performing remote site storage system maintenance Using a Delta Resync Configuration 307 ...

Page 308: ... Continuous Access Journal Z copy pair YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 2 Start remote site storage system maintenance Change the configuration to a 2DC configuration in which operation is performed from the primary site 308 Maintenance and Troubleshooting Operations ...

Page 309: ...inuous Access Journal Z copy pair YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Operation is returned to normal Performing Primary Site Host Maintenance The following explains the procedures for performing primary site host maintenance Failover for Primary Site Host Maintenance To perform failover Using a Delta Resync Configuration 309 ...

Page 310: ...OTO SUSPEND Operation at the local site can be started before executing the YKRESYNC DELTAJNL command However the time it takes for the delta resync pairs between the local site and the remote site to change to the DUPLEX status after execution of the YKRESYNC DELTAJNL command increases depending on the amount of update data from the local site 4 From the local site execute the YKRESYNC REVERSE co...

Page 311: ...command for the delta resync pair YKQUERY YKRESYNC DELTAJNL YKEWAIT GOTO DUPLEX If the command is successful the Continuous Access Journal for Mainframe copy pair is automatically moved to the HOLD status delta resync pair 6 Start primary site host maintenance Using a Delta Resync Configuration 31 1 ...

Page 312: ... 2 Stop operation on the local site 3 From the primary site execute the YKSUSPND FLUSH command for the Continuous Access Journal for Mainframe copy pair between the local site and the remote site YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 4 From the primary site execute the YKSUSPND FORWARD command for the Continuous Access Synchronous for Mainframe copy pair 312 Maintenance and Troubleshooting O...

Page 313: ...YKEWAIT GOTO SUSPEND 5 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous for Mainframe copy pair YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Using a Delta Resync Configuration 313 ...

Page 314: ...us delta resync pair Operation is returned to normal NOTE If during operation the status of a delta resync pair changes to HOLDTRNS NODELTA or HOLDER see Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated Successfully page 340 Operating Procedure During a Primary Site Storage System Failure Volatile This subsection explains the procedures to perform when the primary si...

Page 315: ...route list that does not contain the primary site Operation at the local site can be started before executing the YKRESYNC DELTAJNL command However the time it takes for the delta resync pairs between the local site and the remote site to change to the DUPLEX status after execution of the YKRESYNC DELTAJNL command increases depending on the amount of update data from the local site 2 From the loca...

Page 316: ... site storage system from the failure 2 From the local site execute the YKRECVER command for the Continuous Access Journal Z copy pair YKQUERY YKRECVER YKEWAIT GOTO SIMPLEX NOINVALIDCHECK 3 From the local site execute the YKRECVER command for the Continuous Access Synchronous Z copy pair 316 Maintenance and Troubleshooting Operations ...

Page 317: ... to reconfigure the paths required between the Primary Local and Primary Remote sites 5 From the local site execute the YKMAKE REVERSE command to create a Continuous Access Synchronous Z copy pair for Local Primary YKQUERY YKMAKE REVERSE YKEWAIT GOTO DUPLEX Using a Delta Resync Configuration 317 ...

Page 318: ...YKMAKE HOLD YKEWAIT GOTO HOLD 8 Use Remote Web Console to reconfigure the delta resync control paths required between the Primary Local and Primary Remote sites 9 Stop operation on the local site 10 From the primary site execute the YKSUSPND FLUSH command for the Continuous Access Journal Z copy pair between the local site and the remote site 318 Maintenance and Troubleshooting Operations ...

Page 319: ...te the YKSUSPND FORWARD command for the Continuous Access Synchronous Z copy pair YKQUERY YKSUSPND FORWARD YKEWAIT GOTO SUSPEND 12 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous Z copy pair Using a Delta Resync Configuration 319 ...

Page 320: ... YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX 320 Maintenance and Troubleshooting Operations ...

Page 321: ...a resync pair Operation is returned to normal NOTE If during operation the status of a delta resync pair changes to HOLDTRNS NODELTA or HOLDER see Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated Successfully page 340 Operating Procedure During a Primary Site Storage System Failure Nonvolatile This subsection explains the procedures to be performed when the primary s...

Page 322: ... a volatile failure state Failover page 315 in Failback 1 Recover the primary site storage system from failure 2 From the local site execute the YKDELETE command for the Continuous Access Journal Z copy pair YKQUERY YKDELETE YKEWAIT GOTO SIMPLEX NOINVALIDCHECK 3 From the local site execute the YKRESYNC REVERSE command for the Continuous Access Synchronous Z copy pair 322 Maintenance and Troublesho...

Page 323: ...mmand to make a delta resync pair for Primary Remote YKQUERY YKMAKE HOLD YKEWAIT GOTO HOLD 5 Use Remote Web Console to reconfigure the delta resync control paths required between the Primary Local and Primary Remote sites 6 Stop operation on the local site Using a Delta Resync Configuration 323 ...

Page 324: ...ERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 8 From the primary site execute the YKSUSPND FORWARD command for the Continuous Access Synchronous Z copy pair YKQUERY YKSUSPND FORWARD YKEWAIT GOTO SUSPEND 9 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous Z copy pair 324 Maintenance and Troubleshooting Operations ...

Page 325: ... YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Using a Delta Resync Configuration 325 ...

Page 326: ...delta resync pair Operation is returned to normal NOTE If during operation the status of a delta resync pair changes to HOLDTRNS NODELTA or HOLDER see Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated Successfully page 340 Operating Procedure During a Local Site Storage System Failure Volatile This subsection explains the procedures to perform when the local site stor...

Page 327: ...s Access Synchronous Z copy pair YKQUERY YKSUSPND FORWARD YKEWAIT GOTO SUSPEND Change the configuration to a 2DC configuration in which operation is performed from the primary site Recovering 1 Recover the local site storage system from the failure Using a Delta Resync Configuration 327 ...

Page 328: ...GOTO SIMPLEX NOINVALIDCHECK 3 From the primary site execute the YKRECVER command for the delta resync pair YKQUERY YKRECVER YKEWAIT GOTO SIMPLEX 4 Use Remote Web Console or Business Continuity Manager to reconfigure the paths required between the Primary Local and Local Remote sites 328 Maintenance and Troubleshooting Operations ...

Page 329: ...he primary site execute the YKMAKE command for the Continuous Access Synchronous Z copy pair YKQUERY YKMAKE YKEWAIT GOTO DUPLEX 7 From the primary site execute the YKMAKE HOLD command for the delta resync pair YKQUERY YKMAKE HOLD YKEWAIT GOTO HOLD Using a Delta Resync Configuration 329 ...

Page 330: ...m is in a nonvolatile failure state are the same as the procedures to be performed when a path failure occurs between the primary site storage system and the local site storage system See Operating Procedure During a Path Failure Between the Primary Site Storage System and the Local Site Storage System page 338 Operating Procedure During a Remote Site Storage System Failure Volatile This subsectio...

Page 331: ...ccess Journal Z copy pair YKQUERY YKDELETE YKEWAIT GOTO SIMPLEX NOINVALIDCHECK 4 Use Remote Web Console to reconfigure the journal group for the remote site storage system 5 Use Remote Web Console or Business Continuity Manager to reset the paths require for Primary Remote and Local Remote Using a Delta Resync Configuration 331 ...

Page 332: ...nd for the Continuous Access Journal Z copy pair YKQUERY YKMAKE YKEWAIT GOTO DUPLEX 7 From the primary site execute the YKMAKE HOLD command for the delta resync pair YKQUERY YKMAKE HOLD YKEWAIT GOTO HOLD 332 Maintenance and Troubleshooting Operations ...

Page 333: ... a nonvolatile failure state Preparing No action is required Recovering The recovery procedure to be performed when the remote site storage system is in a nonvolatile state is the same as the recovery procedure performed during maintenance of the remote site storage system See Recovering page 309 in Performing Remote Site Storage System Maintenance page 307 Primary Site Host Failure This subsectio...

Page 334: ...WAIT GOTO SUSPEND Operation at the local site can be started at this point before executing the YKRESYNC DELTAJNL command in step 4 However the time it takes for the delta resync pairs between the local site and the remote site to change to the DUPLEX status after execution of the YKRESYNC DELTAJNL command increases depending on the amount of update data from the local site 3 From the local site e...

Page 335: ...te the YKRESYNC DELTAJNL command for the delta resync pair YKQUERY YKRESYNC DELTAJNL YKEWAIT GOTO DUPLEX If the command is successful the Continuous Access Journal Z copy pair is automatically moved to the HOLD status delta resync pair Using a Delta Resync Configuration 335 ...

Page 336: ...ilure 2 Stop operation on the local site 3 From the primary site execute the YKSUSPND FLUSH command for the Continuous Access Journal Z copy pair between the local site and the remote site YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 4 From the primary site execute the YKSUSPND FORWARD command for the Continuous Access Synchronous Z copy pair 336 Maintenance and Troubleshooting Operations ...

Page 337: ...SUSPEND 5 Start operation on the primary site 6 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous Z copy pair YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Using a Delta Resync Configuration 337 ...

Page 338: ... normal NOTE If during operation the status of a delta resync pair changes to HOLDTRNS NODELTA or HOLDER see Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated Successfully page 340 Operating Procedure During a Path Failure Between the Primary Site Storage System and the Local Site Storage System The following explains the procedures to be performed when a path failure...

Page 339: ...r the Continuous Access Synchronous Z copy pair YKQUERY YKSUSPND FORWARD YKEWAIT GOTO SUSPEND Change the configuration to a 2DC configuration in which operation is performed from the primary site Recovering 1 Recover the path failure Using a Delta Resync Configuration 339 ...

Page 340: ...oubleshooting to fix errors that may occur when you use the delta resync function is explained in Managing the HOLDTRNS Status page 341 through About Containers with Pairs of Mixed Pair Statuses page 346 The method for ensuring successful completion of the delta resync function is explained in Ensuring Successful Completion of Delta Resync in Advance page 346 The following shows the legend for the...

Page 341: ...atus Action Item How to check Condition No Execute the YKMAKE command or the YKDELETE command to make Execute the YKQUERY command for delta resync pairs Cnt Ac J Z pairs and Cnt Ac S Z pairs The number of delta resync pairs is equal to the number of Cnt Ac J Z pairs 1 the same number of Cnt Ac S Z Make sure that the number of Cnt Ac J Z and delta resync pairs with the same status pairs in non SIMP...

Page 342: ...us page 342 When Copy Pairs Do Not Change to HOLD Status In the procedure in Managing the HOLDTRNS Status page 341 when all conditions for changing to the HOLD status are met but copy pairs do not change to the HOLD status an error might occur in the inter DKC path to which a delta sync pair P VOL and S VOL belong or the copy direction of all Cnt Ac J Z copy pairs is not from the primary site to t...

Page 343: ...SYNC PREPARE YKEWAIT GOTO HOLD NOINVALIDCHK If the command is successful the delta resync pair between the local and remote sites first changes to the HOLDTRNS status and then the HOLD status After changing to the HOLD status the copy pair is ready for delta resync If the pair stays in the HOLDTRNS status and does not change to the HOLD status execute the procedure in Managing the HOLDTRNS Status ...

Page 344: ...TAJNL ERRCHK If messages YKZ251E YKZ253E YKZ255E YKZ257E are output for the pair that is the cause of the error you need to identify and fix the error 2 Eliminate the cause of the error Eliminate the cause of the error from all HOLDER status pairs 344 Maintenance and Troubleshooting Operations ...

Page 345: ...LTA If a copy pair changed to NODELTA status after performing delta resync delta resync could not be performed because there is an anomaly in the differential update between the local site and the remote site To create a Cnt Ac J Z copy pair between the local site and the remote site execute delta resync with full copy YKRESYNC ALLJNL command specified to issue a full copy of the volumes in the lo...

Page 346: ...DER status 2 Recover all HOLDER pairs Execute the YKRESYNC PREPARE SELECT COND command for all copy pairs in the copy group container that are in the HOLDER status to change their status first to HOLDTRNS and then to HOLD 3 3 Execute the YKRESYNC DELTAJNL SELECT COND command for copy pairs in the HOLD status Execute the YKRESYNC DELTAJNL SELECT COND command for copy pairs in the copy group contain...

Page 347: ...that only delta resync with full copy the YKRESYNC ALLJNL command can 1 be performed for a delta resync pair with the NODELTA status Execute the YKQUERY command for the Cnt Ac S Z pair and then check the copy direction and copy pair status Either of the following is true for all Cnt Ac S Z pairs 2 The copy direction is from the primary site toward the local site from the local site toward the prim...

Page 348: ...suspends Cnt Ac S Z copy pairs with the HyperSwap attribute Performing remote storage system An operation example for performing a Remote storage system maintenance 3 maintenance on page 8 74 planned outage for remote storage system maintenance This procedure suspends copy pairs between the primary storage system and the remote storage system Performing primary host maintenance on page 8 70 An ope...

Page 349: ...ion example when the local storage During a local storage system failure nonvolatile 8 system failure system stops due to a nonvolatile on page 8 93 nonvolatile failure This procedure uses TPC R to stop Cnt Ac S Z copy pairs with the HyperSwap attribute and then recovers the failure Operating procedure during remote storage An operation example when the remote During a remote storage system failur...

Page 350: ...8 91 system and the local storage system This procedure suspends Cnt Ac S Z copy pairs with the HyperSwap attribute and then recovers the failure NOTE A volatile storage system failure is one in which the storage system memory enters a volatile state because of the failure wherein copy pair information as well as data is completely lost and the hardware information must be reconfigured This sectio...

Page 351: ... of the commands to monitor the Cnt Ac S copy pair with the HyperSwap attribute For details on the commands see the HP P9000 for Business Continuity Manager Software Reference Guide In addition load a route list in which a route from the local storage system to the remote storage system is defined so that information about the remote storage system can be acquired Figure 1 13 page 351 shows an ope...

Page 352: ...ommand for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 4 On the primary host execute the YKRESYNC DELTAJNL command for Cnt Ac J Z copy pairs that are in the HOLD status and that are between the local storage system and the remote storage system 352 Maintenance and Troubleshooting Operations ...

Page 353: ...intenance Operation in a 2DC configuration is performed on the local storage system Failback To perform a failback 1 Finish the primary storage system maintenance 2 Use TPC R on the primary host to restart the copying of the Cnt Ac S copy pairs with the HyperSwap attribute Cnt Ac S copy pairs with the HyperSwap attribute are moved from the SWAPPING status to the DUPLEX status Using a 2DC configura...

Page 354: ...th the HyperSwap attribute is reversed and the groups are moved from the DUPLEX status to the SWAPPING status 5 Detect HyperSwaps of the Cnt Ac S copy pairs with the HyperSwap attribute and check the statuses of the copy groups YKQUERY 6 On the primary host execute the YKSUSPND FLUSH command for Cnt Ac J Z copy pairs between the local storage system and the remote storage system 354 Maintenance an...

Page 355: ... system YKQUERY YKRESYNC DELTAJNL YKEWAIT GOTO DUPLEX After the commands finish successfully the Cnt Ac J Z copy pairs between the local storage system and the remote storage system are automatically moved to the HOLD status 8 Restart the monitoring of HyperSwaps by using Business Continuity Manager For details see Operation Startup Procedure page 350 Using a 2DC configuration with HyperSwap and C...

Page 356: ...peration is returned to normal Performing Primary Host Maintenance The following explains the procedures for performing primary host maintenance Failover 1 Use TPC R on the primary host to stop Cnt Ac S copy pairs with the HyperSwap attribute 2 Use Business Continuity Manager on the primary host to monitor the stopping of Cnt Ac S copy pairs with the HyperSwap attribute 356 Maintenance and Trouble...

Page 357: ...imary storage system and the remote storage system YKQUERY YKSUSPND REVERSE YKEWAIT GOTO SUSPEND 4 On the primary host execute the YKRESYNC REVERSE command for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 357 ...

Page 358: ...primary host maintenance 2DC configuration operations are performed from the secondary site Failback 1 Terminate primary host maintenance 2 Stop operations at the secondary site 3 On the primary host execute the YKSUSPND FORWARD command for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system 358 Maintenance and Troubleshooting Operations ...

Page 359: ... system and the remote storage system YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX If the command is successful the copy direction of Cnt Ac J Z copy pairs is returned to the original direction 6 Restart the monitoring of HyperSwaps by using Business Continuity Manager For details see Operation Startup Procedure page 350 Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 359 ...

Page 360: ... The following explains the procedures for performing local storage system maintenance Preparing To prepare for maintenance 1 Use TPC R on the primary host to stop Cnt Ac S copy pairs with the HyperSwap attribute 2 Start local storage system maintenance Recovering To recover to normal operation 1 Finish the local storage system maintenance 360 Maintenance and Troubleshooting Operations ...

Page 361: ...e procedures for performing remote storage system maintenance Preparing To prepare for maintenance 1 On the primary host execute the YKSUSPND FLUSH command for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND 2 Start remote storage system maintenance Using a 2DC configuration with HyperSwap and Continuous Access Jour...

Page 362: ...etween the primary storage system and the remote storage system YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Operating Procedure During a Primary Storage System Failure Volatile The following are the operating procedures performed when the primary storage system is in a volatile failure state 362 Maintenance and Troubleshooting Operations ...

Page 363: ...ps YKQUERY 3 On the primary host execute the YKSUSPND FLUSH command for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system When an I O error or the SUSPER status a failure suspension occurs you do not need to do anything YKQUERY YKSUSPND FLUSH YKEWAIT GOTO SUSPEND Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 363 ...

Page 364: ...rt a failure recovery of the primary storage systems 2DC configuration operations are performed from the local storage system Failback 1 Recover the primary storage system failure 2 Use TPC R on the primary host to dissolve the Cnt Ac S copy pairs with the HyperSwap attribute 3 Use TPC R on the primary host to reconfigure the paths required for Cnt Ac S copy pairs with the HyperSwap attribute 364 ...

Page 365: ...ed to reconfigure the paths 6 On the primary host execute the YKRECVER command for Cnt Ac J Z copy pairs that are between the primary storage system and the remote storage system The Cnt Ac J Z copy pairs that are between the primary storage system and the remote storage system are moved to the SIMPLEX status YKQUERY YKRECVER 7 Use Remote Web Console to set a journal group for the primary storage ...

Page 366: ...execute HyperSwaps The copy direction of Cnt Ac S copy pairs with the HyperSwap attribute is reversed and the groups are moved from the DUPLEX status to the SWAPPING status 12 Detect HyperSwaps of the Cnt Ac S copy pairs with the HyperSwap attribute and check the status of each copy group 13 On the primary host execute the YKSUSPND FLUSH command for Cnt Ac J Z copy pairs between the local storage ...

Page 367: ...orage system YKQUERY YKRESYNC DELTAJNL YKEWAIT GOTO DUPLEX If the command is successful the Cnt Ac J Z copy pairs between the local storage system and the remote storage system are automatically moved to the HOLD status 15 Restart the monitoring of HyperSwaps by using Business Continuity Manager For details see Operation Startup Procedure page 350 Using a 2DC configuration with HyperSwap and Conti...

Page 368: ...lure state Failover The failover procedure taken when the primary storage system is in a nonvolatile failure state is the same as the failover procedure taken when the primary storage system is in a volatile failure state See Failover page 363 Failback 1 Recover the primary storage system failure 2 On the primary host execute the YKDELETE command for Cnt Ac J Z copy pairs that are between the prim...

Page 369: ...copy pair status transitions to the DUPLEX status of the Cnt Ac S copy pairs with the HyperSwap attribute YKEWAIT GOTO DUPLEX 5 On the primary host make Cnt Ac J Z copy pairs that are in the HOLD status and that are between the primary storage system and the remote storage system Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 369 ...

Page 370: ...tails see Operation Startup Procedure page 350 8 Use TPC R on the primary host to execute HyperSwap Cnt Ac S copy pairs with the HyperSwap attribute are moved from the DUPLEX status to the SWAPPING status that is a reverse copy direction 9 Detect HyperSwaps of the Cnt Ac S copy pairs with the HyperSwap attribute and check the status of each copy group 10 On the primary host execute the YKSUSPND FL...

Page 371: ...torage system YKQUERY YKRESYNC DELTAJNL YKEWAIT GOTO DUPLEX If the command is successful the Cnt Ac J Z copy pairs between the local storage system and the remote storage system are automatically moved to the HOLD status 12 Restart the monitoring of HyperSwaps by using Business Continuity Manager For details see Operation Startup Procedure page 350 Using a 2DC configuration with HyperSwap and Cont...

Page 372: ...e the operating procedures performed when the primary host is in a failure state Failover 1 Load a route list in which the routes from the remote storage system to the primary storage system and from the remote storage system to the local storage system are defined so that information about the primary storage system and local storage system can be acquired 2 On the secondary host execute the YKDE...

Page 373: ...he HOLD status to the SIMPLEX status 3 On the secondary host execute the YKSUSPND REVERSE command for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system YKQUERY YKSUSPND REVERSE YKEWAIT GOTO SUSPEND 4 On the secondary host execute the YKRESYNC REVERSE command for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system Using a 2DC c...

Page 374: ...sed 5 Perform failure recovery of the primary host 2DC configuration operations are performed from the secondary site Failback 1 Recover the primary host failure 2 Stop operation at the secondary site 3 On the primary host execute the YKSUSPND FORWARD command for Cnt Ac J Z copy pairs 374 Maintenance and Troubleshooting Operations ...

Page 375: ... YKRESYNC FORWARD YKEWAIT GOTO DUPLEX If the command is successful the copy direction of Cnt Ac J Z copy pairs is reversed 6 Use TPC R on the primary host to make the Cnt Ac S copy pairs with the HyperSwap attribute 7 On the primary host make Cnt Ac J Z copy pairs that are in the HOLD status and that are between the local storage system and the remote storage system Using a 2DC configuration with ...

Page 376: ...ration is returned to normal Operating Procedure During a Path Failure Between the Primary Storage System and the Local Storage System The following are the operating procedures taken when a path between the primary storage system and the local storage system is in failure state Preparing To prepare for maintenance 1 Use TPC R on the primary host to stop Cnt Ac S copy pairs with the HyperSwap attr...

Page 377: ...To return to normal operations 1 Use TPC R on the primary host to dissolve Cnt Ac S copy pairs with the HyperSwap attribute 2 Use TPC R on the primary host to reconfigure paths for Cnt Ac S copy pairs with the HyperSwap attribute Remote Web Console also can be used to reconfigure the paths 3 Use TPC R on the primary host to make Cnt Ac S copy pairs with the HyperSwap attribute Cnt Ac S copy pairs ...

Page 378: ...age system and the remote storage system YKQUERY YKMAKE HOLD YKEWAIT GOTO HOLD 8 Use Remote Web Console to set a Delta Resync control path required for Cnt Ac S copy pairs with the HyperSwap attribute and Cnt Ac J Z copy pairs that are in HOLD status 9 Restart the monitoring of HyperSwaps by using Business Continuity Manager For details see Operation Startup Procedure page 350 378 Maintenance and ...

Page 379: ...rocedures taken when the remote storage system is in a volatile failure state Preparing No action is required Recovering To recover to normal operation 1 Recover the remote storage system failure 2 On the primary host reconfigure the paths between the primary storage system and the remote storage system and the paths between the local storage system and the remote storage system Remote Web Console...

Page 380: ... system YKQUERY YKDELETE 5 For the remote storage system use Remote Web Console to set journal volumes for Cnt Ac J Z copy pairs between the primary storage system and the remote storage system 6 On the primary host make Cnt Ac J Z copy pairs between the primary storage system and the remote storage system 380 Maintenance and Troubleshooting Operations ...

Page 381: ...y host make Cnt Ac J Z copy pairs that are in the HOLD status and that are between the local storage system and the remote storage system YKQUERY YKMAKE HOLD YKEWAIT GOTO HOLD Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 381 ...

Page 382: ...l Operating Procedure During a Remote Storage System Failure Nonvolatile The following are the operating procedures taken when the remote storage system is in a nonvolatile failure state Preparing No action is required Recovering 1 Recover the remote storage system failure 382 Maintenance and Troubleshooting Operations ...

Page 383: ...torage system and the remote storage system YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Using a 4x4x4 Cascade Configuration The following table describes the maintenance and troubleshooting operations for a 4x4x4 Cascade configuration Using a 4x4x4 Cascade Configuration 383 ...

Page 384: ... has finished Performing primary site host maintenance on page 8 108 Perform a reverse resync on Continuous Access Synchronous Z Primary site host maintenance 4 copy pairs and then change the configuration to a Multi Target configuration in which operation is performed from the intermediate site Operation in the 4x4x4 Cascade Intermediate site host maintenance 5 configuration is not affected Opera...

Page 385: ...erating procedure during an intermediate Suspend Continuous Access Synchronous Z Intermediate site storage system failure nonvolatile 10 site storage system copy pairs by using failure nonvolatile on page 8 124 the Continuous Access Synchronous Z Consistency Preservation Function and then resynchronize them Operating procedure during a remote site Delete the Continuous Access Journal Z copy Remote...

Page 386: ...rmediate storage systems site storage system the Continuous Access and the intermediate Synchronous Z site storage system on page 8 132 Consistency Preservation function and then resynchronize them Performing Primary Site Storage System Maintenance The following explains the procedures for performing primary site storage system maintenance Failover 1 Stop operation on the primary site 2 From the i...

Page 387: ...ion is performed from the intermediate site Failback 1 Terminate primary site storage system maintenance 2 Stop operation on the intermediate site 3 From the primary site execute the YKRESYNC REVERSE command for the Continuous Access Synchronous Z copy group container Using a 4x4x4 Cascade Configuration 387 ...

Page 388: ...From the primary site execute the YKSUSPND FORWARD command for the Continuous Access Synchronous Z copy group container YKQUERY YKSUSPND FORWARD YKEWAIT GOTO SUSPEND 5 Start operation on the primary site 388 Maintenance and Troubleshooting Operations ...

Page 389: ...py pair automatically changes to the SUSPEND status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX 7 Execute the YKEWAIT GOTO SUSPEND command and wait until the status of the Continuous Access Journal Z copy pair has changed to SUSPOP Using a 4x4x4 Cascade Configuration 389 ...

Page 390: ...urnal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Performing Intermediate Site Storage System Maintenance The following explains the procedures for performing intermediate site storage system maintenance 390 Maintenance and Troubleshooting Operations ...

Page 391: ...he YKSUSPND command for the Continuous Access Synchronous Z copy group container YKSUSPND 3 From the primary site execute the YKRUN command for the Continuous Access Synchronous Z copy group container You can execute the YKRUN command even before the status of the Continuous Access Synchronous Z copy pair has changed to SUSPOP Using a 4x4x4 Cascade Configuration 391 ...

Page 392: ... From the primary site execute the YKRESYNC command for the Continuous Access Synchronous Z copy group container The Continuous Access Journal Z copy pair automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs 392 Maintenance and Troubleshooting Operations ...

Page 393: ...RY YKRESYNC YKEWAIT GOTO DUPLEX 3 Execute the YKEWAIT GOTO SUSPEND command and wait until the status of the Continuous Access Journal Z copy pair has changed to SUSPOP Using a 4x4x4 Cascade Configuration 393 ...

Page 394: ...ess Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Performing Remote Site Storage System Maintenance The following explains the procedures for performing remote site storage system maintenance 394 Maintenance and Troubleshooting Operations ...

Page 395: ...r the Continuous Access Journal Z EXCTG YKQUERY YKSUSPND YKEWAIT GOTO SUSPEND 2 Start remote site storage system maintenance Change the configuration to a 2DC configuration in which operation is performed from the primary site Using a 4x4x4 Cascade Configuration 395 ...

Page 396: ... YKRESYNC command for the Continuous Access Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Performing Primary Site Host Maintenance The following explains the procedures for performing primary site host maintenance 396 Maintenance and Troubleshooting Operations ...

Page 397: ...or the Continuous Access Synchronous Z copy group container YKQUERY YKSUSPND REVERSE YKEWAIT GOTO SUSPEND 3 Start operation on the intermediate site 4 From the intermediate site execute the YKRESYNC REVERSE command for the Continuous Access Synchronous Z copy group container Using a 4x4x4 Cascade Configuration 397 ...

Page 398: ...nfiguration in which operation is performed from the intermediate site Failback 1 Terminate primary site host maintenance 2 Stop operation on the intermediate site 3 From the primary site execute the YKSUSPND FORWARD command for the Continuous Access Synchronous Z copy group container 398 Maintenance and Troubleshooting Operations ...

Page 399: ...FORWARD command for the Continuous Access Synchronous Z copy group container The Continuous Access Journal Z copy pair automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Using a 4x4x4 Cascade Configuration 399 ...

Page 400: ...the Continuous Access Journal Z copy pair has changed to SUSPOP 7 From the primary site execute the YKRESYNC command for the Continuous Access Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal 400 Maintenance and Troubleshooting Operations ...

Page 401: ...be performed when the primary site storage system is in a volatile failure state Failover 1 From the intermediate site execute the YKSUSPND REVERSE command for the Continuous Access Synchronous Z copy group container YKQUERY YKSUSPND REVERSE YKEWAIT GOTO SUSPEND NOINVALIDCHECK Using a 4x4x4 Cascade Configuration 401 ...

Page 402: ...k 1 Recover the primary site storage system from the failure 2 Stop operation on the intermediate site 3 From the primary site execute the YKRECVER command for the Continuous Access Synchronous Z copy pair whose S VOLs are in the storage system in which the failure occurred YKQUERY YKRECVER YKEWAIT GOTO SIMPLEX 402 Maintenance and Troubleshooting Operations ...

Page 403: ...tem in which the failure occurred YKQUERY YKMAKE REVERSE YKEWAIT GOTO DUPLEX 5 From the primary site execute the YKRESYNC REVERSE command for the Continuous Access Synchronous Z copy pair whose S VOLs are in the storage system in which the failure did not occur YKQUERY YKRESYNC REVERSE YKEWAIT GOTO DUPLEX Using a 4x4x4 Cascade Configuration 403 ...

Page 404: ...art operation on the primary site 8 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous Z copy group container The Continuous Access Journal Z copy pair automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs 404 Maintenance and Troubleshooting Operations ...

Page 405: ...KRESYNC FORWARD YKEWAIT GOTO DUPLEX 9 Execute the YKEWAIT GOTO SUSPEND command and wait until the status of the Continuous Access Journal Z copy pair has changed to SUSPOP Using a 4x4x4 Cascade Configuration 405 ...

Page 406: ... YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Operating Procedure During a Primary Site Storage System Failure Nonvolatile The following explains the procedures to perform when the primary site storage system is in a nonvolatile failure state 406 Maintenance and Troubleshooting Operations ...

Page 407: ...atile failure state See Operating Procedure During a Primary Site Storage System Failure Volatile page 401 Failback 1 Recover the primary site storage system from the failure 2 Stop operation on the intermediate site 3 From the primary site execute the YKRESYNC REVERSE command for the Continuous Access Synchronous Z copy group container YKQUERY YKRESYNC REVERSE YKEWAIT GOTO DUPLEX Using a 4x4x4 Ca...

Page 408: ...rimary site 6 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous Z copy group container The Continuous Access Journal Z copy pair automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX 408 Maintenance and Troubleshooting Operations ...

Page 409: ...YKRESYNC command for the Continuous Access Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Operating Procedure During an Intermediate Site Storage System Failure Volatile The following explains the procedures to be performed when the intermediate site storage system is in a volatile failure state Using a 4x4x4 Cascade Configuration 409 ...

Page 410: ...executed before the storage system failure occurs the processing necessary for failure recovery is automatically executed after the failure For details on the Continuous Access Synchronous Z Consistency Preservation Function see The Continuous Access Synchronous Consistency Preservation Function page 78 1 From the primary site execute the YKCONMSG command Execute the command so that an IEA494I mes...

Page 411: ...ecute the YKFREEZE command for the Continuous Access Synchronous Z copy group container YKFREEZE 3 From the primary site execute the YKSUSPND command for the Continuous Access Synchronous Z copy group container YKSUSPND Using a 4x4x4 Cascade Configuration 41 1 ...

Page 412: ...ynchronous Z copy pair has changed to SUSPOP YKRUN Recovering 1 Recover the intermediate site storage system from the failure 2 From the primary site execute the YKDELETE command for the Continuous Access Synchronous Z copy pair whose S VOL is in the storage system in which the failure occurred YKQUERY YKDELETE YKEWAIT GOTO SIMPLEX NOINVALIDCHECK 412 Maintenance and Troubleshooting Operations ...

Page 413: ... command for the Continuous Access Synchronous Z copy pair whose S VOL is in the storage system in which the failure did not occur The Continuous Access Journal Z copy pair whose P VOL is in the storage system in which the failure did not occur automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pair YKQUERY YKRESYNC YKEWAIT GO...

Page 414: ... whose P VOL is in the storage system in which the failure occurred YKQUERY YKRECVER YKEWAIT GOTO SIMPLEX NOINVALIDCHECK 6 From the primary site execute the YKMAKE SELECT COND command for the Continuous Access Journal Z EXCTG YKQUERY YKMAKE SELECT COND 414 Maintenance and Troubleshooting Operations ...

Page 415: ...e Nonvolatile The preparation and recovery procedures to be performed when a nonvolatile failure occurs in the intermediate site storage system are the same as the procedures to be performed when a path failure occurs between the primary site storage system and the intermediate site storage system See Operating Procedure During a Path Failure between the Primary Site Storage System and the Interme...

Page 416: ... storage system Preparing No action is required Recovering 1 Recover the remote site storage system from the failure 2 From the primary site execute the YKDELETE command for the Continuous Access Journal Z copy pair whose S VOL is in the storage system in which the failure occurred YKQUERY YKDELETE YKEWAIT GOTO SIMPLEX NOINVALIDCHECK 416 Maintenance and Troubleshooting Operations ...

Page 417: ...did not occur from the EXCTG 5 From the primary site execute the YKMAKE SELECT COND command for the Continuous Access Journal Z EXCTG The Continuous Access Journal Z copy pair whose S VOL is in the storage system in which the failure occurred is created again and the journal group defined as the Continuous Access Journal Z EXCTG is re registered in the storage system EXCTG Using a 4x4x4 Cascade Co...

Page 418: ... YKQUERY YKMAKE SELECT COND 418 Maintenance and Troubleshooting Operations ...

Page 419: ...CT COND YKEWAIT GOTO DUPLEX Operation is returned to normal Operating Procedure During a Remote Site Storage System Failure Nonvolatile The following explains the procedure to be performed when the remote site storage system is in a nonvolatile failure state Preparing No action is required Using a 4x4x4 Cascade Configuration 419 ...

Page 420: ... for the Continuous Access Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX NOINVALIDCHECK Operation is returned to normal Operating procedure during a primary site host failure The following explains the procedures to be performed when the host at the primary site fails 420 Maintenance and Troubleshooting Operations ...

Page 421: ...e site execute the YKSUSPND REVERSE command for the Continuous Access Synchronous Z copy group container YKQUERY YKSUSPND REVERSE YKEWAIT GOTO SUSPEND 2 Start operation on the intermediate site Using a 4x4x4 Cascade Configuration 421 ...

Page 422: ...tainer YKQUERY YKRESYNC REVERSE YKEWAIT GOTO DUPLEX Change the configuration to a Multi Target configuration in which operation is performed from the intermediate site Failback 1 Recover the host at the primary site from the failure 2 Stop operation on the intermediate site 422 Maintenance and Troubleshooting Operations ...

Page 423: ...e primary site 5 From the primary site execute the YKRESYNC FORWARD command for the Continuous Access Synchronous Z copy group container The Continuous Access Journal Z copy pair automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs YKQUERY YKRESYNC FORWARD YKEWAIT GOTO DUPLEX Using a 4x4x4 Cascade Configuration 423 ...

Page 424: ...Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Operating Procedure During a Path Failure between the Primary Site Storage System and the Intermediate Site Storage System The following explains the procedures to be performed when a path failure occurs between the primary site storage system and the intermediate site storage system 424 Maintenance and Troublesho...

Page 425: ... following actions has been executed before a path failure occurs the processing necessary for failure recovery is automatically executed after the failure For details on the Continuous Access Synchronous Z Consistency Preservation Function see The Continuous Access Synchronous Consistency Preservation Function page 78 1 From the primary site execute the YKCONMSG command Execute the command so tha...

Page 426: ...command for the Continuous Access Synchronous Z copy group container YKFREEZE 3 From the primary site execute the YKSUSPND command for the Continuous Access Synchronous Z copy group container YKSUSPND 426 Maintenance and Troubleshooting Operations ...

Page 427: ...has changed to SUSPOP YKRUN Recovering 1 Recover the path failure between the storage systems 2 From the primary site execute the YKRESYNC command for the Continuous Access Synchronous Z copy group container The Continuous Access Journal Z copy pair automatically changes to the suspend status as the result of resynchronization of the Continuous Access Synchronous Z copy pairs Using a 4x4x4 Cascade...

Page 428: ... YKEWAIT GOTO DUPLEX NOINVALIDCHECK 3 Execute the YKEWAIT GOTO SUSPEND command and wait until the status of the Continuous Access Journal Z copy pair has changed to SUSPOP 428 Maintenance and Troubleshooting Operations ...

Page 429: ... From the primary site execute the YKRESYNC command for the Continuous Access Journal Z EXCTG YKQUERY YKRESYNC YKEWAIT GOTO DUPLEX Operation is returned to normal Using a 4x4x4 Cascade Configuration 429 ...

Page 430: ...an Open MF consistency group page 492 Operating copy groups page 500 Acquiring volume information This section explains how to acquire volume information assuming that the prefix of the configuration file is CONFIG01 Local scan procedure This section explains how to perform a local scan to acquire information about the local site s storage system using the volume configuration example shown in Fig...

Page 431: ...eturned to the Main Menu panel 4 Choose 3 Discover Define Configuration The Discover Define Configuration panel appears 5 Choose 1 Discover HP Storage The Discover HP Storage Arrays panel appears In the initial status no display line appears 6 Press the F4 Discover key The Scan Device Address Extent panel appears 7 Specify for Device Num or Volser to set the scan target and specify the scan range ...

Page 432: ...splays 9 Repeat steps 7 and 8 to perform a scan with another scope 10 After the scan has completed press the F3 Exit key The Discover HP Storage Arrays panel displays the list of storage system serial numbers detected 432 Using the ISPF panels ...

Page 433: ...formation In the Control Unit Selection List panel the scan result appears for each CU 13 Specify s in the AC column to display further detailed information The Command Control Address CCA Selection List panel displays the scanning results within the CU by CCA device Acquiring volume information 433 ...

Page 434: ...n range in Start and End 8 Press the F6 Scan key The scan result appears 9 Repeat steps 7 and 8 to perform a scan with another scope 10 After the scan has completed press the F3 Exit key The Discover HP Storage Arrays panel displays the list of detected storage system serial numbers found through scanning 1 1 Optional Enter an overview in Description 12 Specify s in the AC column to display detail...

Page 435: ...an NG scan to acquire Non Gen ed volumes on the local site This section explains how to execute a local scan involving Non Gen ed volumes on the primary site using the volume configuration example shown in Figure 1 15 page 435 Figure 1 15 Volume configuration example of a device with a Non Gen ed volume If a local scan has been executed steps 7 to 9 in the following procedure are not required To e...

Page 436: ...ose 3 Discover Define Configuration The Discover Define Configuration panel is displayed 5 Choose 1 Discover HP Storage The Discover HP Storage Arrays panel is displayed In the initial status a list of storage systems is not displayed because devices have not yet been scanned 6 Press the F4 Discover key The Scan Device Address Extent panel is displayed 7 Specify for Device Num or Volser to set the...

Page 437: ...to perform a local scan with another scope 10 Specify for Non Gen ed NG scan execution specification and specify DADP NG for Non Gen ed Device Address Domain 12345 for Storage System S N and a device address CU CCA in the scan range for Device Address Acquiring volume information 437 ...

Page 438: ...d and the CU Selection List for Edit devn panel is displayed 12 Assign a dummy device number For details on how to assign a dummy device number see Assigning a dummy device number page 474 When a dummy device number is assigned the Scan Device Address Extent panel is displayed NG scan is completed 13 Repeat steps 6 and 10 through 12 to perform a scan with another scope 14 Press the F3 Exit key The...

Page 439: ...ains how to define the inter disk controller logical path using the inter disk controller logical path definition example shown in Figure 1 16 page 439 Figure 1 16 Inter DKC logical path definition example NOTE Before defining a new path set check the cable connection port number as described in Establishing a logical path page 456 To define a new path set 1 In the Discover Define Configuration pa...

Page 440: ...ection List panel Adding a logical path to a path set For information about the data displayed in each ISPF panel see the definition example in Figure 1 16 page 439 To add a logical path to the path set 1 Specify e in the AC column for the created path set ID and then press the Enter key The path set definition file is loaded and the Path Set Detail panel displays 440 Using the ISPF panels ...

Page 441: ...not specify anything N is assumed 5 Specify s in the AC column of the Primary line The serial numbers of the scanned storage systems display in the Select Storage System panel 6 Specify s in the AC column of the storage system serial number 14002 7 Press the Enter key You are returned to the Edit Logical Path Definition panel The values are displayed in the S N Model IFType and PathID columns of t...

Page 442: ...elected storage system If the secondary site volume has not been scanned yet since the secondary site device information cannot be selected in the Select Storage System panel in the Edit Logical Path Definition panel specify the following items in the Secondary line S N Model IFType PathID If the secondary site volume has been scanned perform steps 8 through 10 8 Specify s in the AC column on the ...

Page 443: ...efinition file for the selected storage system Allocating physical paths to logical paths This section explains how to allocate physical paths to logical paths You do not need to perform this procedure if you are going to obtain the port number information from a storage system and apply the port number that comprises the current logical path to the path set definition file To obtain port number i...

Page 444: ...site to the secondary site The screen display changes to the Edit Port Definition panel 2 Press the F5 Add key The Assign Port panel displays 3 Specify 06 for Primary Port Number and 07 for Secondary Port Number 4 Press Enter key You are returned to the Edit Port Definition panel The physical path is now displayed in this panel 444 Using the ISPF panels ...

Page 445: ...inition panel The Edit Logical Path Definition panel displays 7 If defining a path from the secondary site to the primary site specify e in the AC column on the Reverse line If no path will be defined from the secondary site to the primary site proceed to step 1 1 8 Press the Enter key The Edit Port Definition panel appears Creating a path set 445 ...

Page 446: ...9 Press the F5 Add key The Assign Port panel displays 10 Specify 07 for Primary Port Number and 06 for Secondary Port Number 446 Using the ISPF panels ...

Page 447: ...add an inter CU logical path to the path set defined in Defining the inter DKC logical path set page 439 to Allocating physical paths to logical paths page 443 using the inter CU logical path definition example shown in Figure 1 17 page 447 Figure 1 17 Inter CU logical path definition example Adding a logical path to path set To add a logical path to the path set Creating a path set 447 ...

Page 448: ...Press the Enter key The path set definition file is loaded and the Path Set Detail panel displays 4 Press the F5 Add key The Edit Logical Path Definition panel displays 5 Specify CU for Type 6 For SHR specify Y when sharing the target path with other logical path definitions specify N for not sharing the target path If you do not specify anything N is assumed 7 Specify s in the AC column on the Pr...

Page 449: ...m serial number 14002 10 Press the Enter key The screen display changes to the Select SSID panel 1 1 Specify s in the AC column for the CU for which the inter CU logical path is to be defined You are returned to the Edit Logical Path Definition panel The values are now displayed in the S N Model IFType CU SSID and CCA columns of this panel Creating a path set 449 ...

Page 450: ...the Secondary line S N Model IFType CU SSID CCA If the secondary site volumes have been scanned perform steps 12 through 16 12 Specify s in the AC column on the Secondary line If a device scan has not been performed for the Secondary site that is the disk configuration definition file has not been created Specify the device information on the secondary site in the S N Model IFType CU SSID and CCA ...

Page 451: ...f the scanned storage systems display in the Select Storage System panel 14 Specify s in the AC column for the storage system serial number 14001 15 Press the Enter key The screen display changes to the Select SSID panel Creating a path set 451 ...

Page 452: ...tain the port number information from a storage system and apply the port number that comprises the current logical path to the path set definition file you do not need to allocate a physical path to that logical path To obtain the port number information from a storage system see Acquiring path information from a storage system page 113 and make sure that the conditions are met To allocate physic...

Page 453: ...ite to the secondary site The screen display changes to the Edit Port Definition panel 2 Press the F5 Add key The Assign Port panel displays 3 Specify 04 for Primary Port Number and 05 for Secondary Port Number 4 Press the Enter key You are returned to the Edit Port Definition panel The physical path is now displayed in this panel Creating a path set 453 ...

Page 454: ...ing a path from the secondary site to the primary site specify e in the AC column on the Reverse line If no path is to be defined from the secondary site to the primary site steps 6 through 10 do not need to be performed 7 Press the Enter key The Edit Port Definition panel appears 454 Using the ISPF panels ...

Page 455: ...8 Press the F5 Add key The Assign Port panel displays 9 Specify 05 for Primary Port Number and 04 for Secondary Port Number Creating a path set 455 ...

Page 456: ...u panel and then choose 5 Manage Path Set The Manage Path Set panel displays 2 To load the path set definition file specify l in the AC column of the target path set The path set definition file is loaded 3 Check the result based on the Status column If any problem is found review the definition 4 If no problem is found specify b in the AC column of the path set to which you want to add the establ...

Page 457: ...ecify q in the AC column The screen display changes to the Path Set Status panel on which the status of the defined path displays Defining a route list This section explains how to define the route list using the example shown in Figure 1 18 page 458 Defining a route list 457 ...

Page 458: ...fining a route list ID To define a route list ID UR2DC 1 Display the Discover Define Configuration panel and choose 2 Route Config The Route Config panel appears 2 Press the F5 Add key The Add Route List ID panel appears 458 Using the ISPF panels ...

Page 459: ...tered in the Route Config panel Defining the first entry of the route To define the route from the storage system with the serial number 14002 to the storage system with the serial number 14001 first define the storage system with the serial number 14002 Defining a route list 459 ...

Page 460: ...e route A list of route entries defined in the selected route list appears in the Entire Route Information panel In the initial status no display line appears 2 Press the F5 Add key The Add Route Entry panel for adding a new route displays 460 Using the ISPF panels ...

Page 461: ...l enter the values for Device Address Domain Storage System S N and Device Number Then proceed to step 8 4 Specify s in AC for either Device Address Domain or Storage System S N Selectable pairs of DKC serial numbers and DAD IDs are displayed in the Storage System DAD Selection List panel 5 Specify s for AC for the selected storage system serial number and DAD ID pair The selected storage system s...

Page 462: ...evices are displayed in the Define Command Device panel 7 Specify s for AC in the target command device The device number for the selected command device is displayed in the Add Route Entry panel 462 Using the ISPF panels ...

Page 463: ... set is displayed when you return to the Entire Route Information panel 1 1 Press the Enter key The added entry is displayed in the Entire Route Information panel Adding an entry extended route definition Add the storage system with the serial number 14001 to the route The procedure for adding an entry differs depending on whether the storage system on the secondary site has already been scanned o...

Page 464: ...d device belongs to and the device number of the command device To select from a list in the Insert Route Entry panel Continue to step 3 To enter values directly in the Insert Route Entry panel Insert Route Entry panel enter the values for Device Address Domain Storage System S N and Device Number Proceed to step 7 3 Specify s in AC for either Device Address Domain or Storage System S N Selectable...

Page 465: ...nd DAD ID are displayed in the Insert Route Entry panel 5 Specify s for AC for Device Number Selectable command devices are displayed in the Define Command Device panel 6 Specify s for AC for the selected command device Defining a route list 465 ...

Page 466: ...ess the Enter key The added entry is displayed in the Entire Route Information panel Remote scanning of the Storage System on the secondary site from the primary site To add an entry when the storage system on the secondary site will be remotely scanned from the primary site 466 Using the ISPF panels ...

Page 467: ... the first entry of the route The Insert Remote Route Entry panel displays 2 Specify the DAD ID to which the storage system to be remotely scanned belongs storage system serial number and device address SSID CU CCA of the command device Defining a route list 467 ...

Page 468: ...n Defining the second route Using the procedure from step 2 in Defining the first entry of the route page 459 to Adding an entry extended route definition page 463 add a route from the storage system with the serial number 90209 to the storage system with the serial number 90063 Images for route list definitions The following are images for when a route list is defined 468 Using the ISPF panels ...

Page 469: ...Defining a route list 469 ...

Page 470: ... Set Defaults The Set Defaults panel for specifying various default values displays 2 Check that the value set to the Local Device Address Domain ID is the same as the DAD ID SF of the primary site in the Set Defaults panel 3 Display the Main Menu panel and choose 4 Manage Route The Manage Route panel displays 4 Specify s in the AC column of the route list in which a command device is to be regist...

Page 471: ...uted in order starting from the first line and the Confirm Command Device Build panel is displayed each time the execution is performed However if is specified for Set command device build confirm off in the Confirm Command Device Build panel the Confirm Command Device Build panel no longer displays Registering a command device in a Storage System 471 ...

Page 472: ...n in Status in the Route Status panel Remote scan procedure This section explains the remote scan procedure using the route list configuration example in Route list definition example page 458 Specifying a route list ID To specify a route list ID 1 Open the Main Menu panel and then choose 1 Set Defaults The Set Defaults panel displays 472 Using the ISPF panels ...

Page 473: ...ration The Discover Define Configuration panel displays 2 In the Discover Define Configuration panel choose 1 Discover HP Storage System The Discover HP Storage System panel displays 3 Specify r in the AC column for each storage system to be remote scanned The Scan Remote Device Address Extent panel is displayed NOTE If you specify r in the AC column of every target storage system when more than o...

Page 474: ...ager automatically determines the model of the storage system when a scan is performed and displays the information in the Model column Assigning a dummy device number NOTE Although dummy device numbers must be unique within the Device Address Domain the dummy device number assigned through a remote scan can be the same as the device number for a device within a storage system that is connected to...

Page 475: ...value After assignment has completed the screen display changes to the CCA Selection List for Remote Storage Arrays panel on which the CCAs belonging to the CU and dummy device numbers assigned to the CCAs are displayed 4 To change the value of the dummy device number change the Dummy Devn column for the first device If the dummy device number does not need to be changed proceed to step 7 Remote s...

Page 476: ...xit key You are returned to the CU Selection List for Remote Storage Arrays panel 6 Assign a dummy device number to all detected CUs You cannot complete setup until all CUs are assigned a dummy device number If you specify e in more than one AC column a panel to assign a dummy device number Edit Device Number for CU panel and a panel to confirm the assignment CCA Selection List for Remote Storage ...

Page 477: ...k is displayed beside the storage system serial number you can change the assigned dummy device number To change a dummy device number 1 Specify e in the AC for the storage system whose dummy device number will be changed The CU Selection List for Edit devn panel appears 2 Perform the steps in Assigning a dummy device number page 474 Defining a copy group This section explains how to define a copy...

Page 478: ...uration files page 102 Defining the copy group ID and copy group attributes Cnt Ac J Z To define a copy group 1 Display the Discover Define Configuration panel and choose 4 Copy Group Definitions The Copy Group Selection List panel displays 2 Press the F5 Add key to add a Cnt Ac J Z copy group The Add Copy Group panel displays 3 Specify the Copy Group ID Primary Device Address Domain Secondary Dev...

Page 479: ...e Copy Group Pair Detail panel appears in the initial status no display line appears 7 Press the F4 Attr key The Copy Group Attributes Cnt Ac J Z panel appears 8 Specify copy group attributes such as PROT MODE Be sure to leave Mirror ID set to 1 9 Press the Enter key The Copy Group Pair Detail panel appears Defining a copy group 479 ...

Page 480: ...vices When selecting a device containing a copy pair from the list of devices specify s in the AC column for the target device 3 Press the F5 Second key The Pair Selection List Secondary panel appears 4 Specify Devn or Volser for the secondary site Alternatively select the device containing the copy pair from the list of devices When selecting a device containing a copy pair from the list of devic...

Page 481: ...reappears and In Config is displayed for the device to be paired Repeat selecting a device until the number of specified devices between the primary site and secondary site matches When the number of specified devices for the both sites is matched the detailed information about the added copy pair is displayed in the Copy Group Pair Detail panel Defining a copy group 481 ...

Page 482: ...5 Add key to add an BC copy group The Add Copy Group panel displays 3 Specify Copy Group ID Device Address Domain for both Primary and Secondary and Copy Group Type BC 4 Press the Enter key The Setting C T ID Attributes panel appears 5 Specify a value for C T ID JNLG and press the Enter key this is optional for BC Z The Copy Group Pair Detail panel appears in the initial status no display line app...

Page 483: ...py Group Selection List panel displays 2 Press the F5 Add key to add a CA copy group The Add Copy Group panel displays 3 Specify the Copy Group ID Device Address Domain for both Primary and Secondary and Copy Group Type CA 4 Press the Enter key The Setting C T ID Attributes panel displays 5 Press Enter key to close the Setting C T ID Attributes panel for Cnt Ac S Z C T ID JNLG is optional The Copy...

Page 484: ...D and copy group attributes Cnt Ac A To define a Cnt Ac A copy group 1 Display the Discover Define Configuration panel and choose 4 Copy Group Definitions The Copy Group Selection List panel displays 2 Press the F5 Add key to add a Cnt Ac A copy group The Add Copy Group panel displays 3 Specify the Copy Group ID Device Address Domain for both Primary and Secondary and Copy Group Type CAA 4 Press t...

Page 485: ... page 480 Defining a copy group container This section explains the procedures that are required to define a copy group container They are as follows Defining the copy group ID and copy group attributes Adding a consistency group Changing a copy group that is not a copy group container to one that is a copy group container adding a C T group Changing a copy group that is a copy group container to ...

Page 486: ...play the Discover Define Configuration panel and choose 4 Copy Group Definitions The Copy Group Selection List panel appears 2 Press the F5 Add key to add a Cnt Ac J Z copy group The Add Copy Group panel appears 3 Specify the Copy Group ID Primary Device Addr Domain Secondary Device Addr Domain Copy Group Type and specify for Use Container 486 Using the ISPF panels ...

Page 487: ... F5 Add key The Setting C T ID Attributes panel appears 2 Specify C T ID JNLG consistency group ID for the journal group and sub C T ID JNLG 3 Press the Enter key The Copy Group Pair Detail panel appears Initially no copy pairs appear because no copy pairs have been defined at that point 4 Add a copy pair to the copy group The operations for adding a copy pair to a copy group are the same as those...

Page 488: ... a copy group that is not a copy group container to one that is 1 Display the Discover Define Configuration panel and choose 4 Copy Group Definitions The Copy Group Selection List panel appears 2 Specify e in AC and then press Enter The Copy Group Pair Detail panel appears 3 Specify for Use Container 4 Press the Enter key The Copy Group Detail Definition panel is displayed The following steps for ...

Page 489: ...at is a container to one that is not deleting a C T group To delete a C T group from a copy group container 1 Display the Discover Define Configuration panel and choose 4 Copy Group Definitions The Copy Group Detail Definition panel is displayed 2 Specify e in AC and then press Enter 3 Specify d in the AC of the C T group that you want to delete and then press Enter 4 Make sure that there is one C...

Page 490: ...Figure 121 Example of defining an EXCTG To specify an EXCTG ID 490 Using the ISPF panels ...

Page 491: ... Attributes EXCTG ID Forward EXCTG ID S of Secondary S which indicates a supervisor storage system ArbCdev of Secondary An arbitration command device number If you use the reverse copy direction the direction from the secondary site to the primary site specify the appropriate values for EXCTG ID Reverse S of Primary and ArbCdev of Primary 3 Press Enter Defining a copy group container 491 ...

Page 492: ...y groups are registered press the F3 Exit key Press the F3 Exit key from the Copy Group Pair Detail panel for a copy group that is not a copy group container or from the Copy Group Detail Definition panel for a copy group that is a copy group container A pop up panel is displayed to confirm that you want to save the settings to the configuration file 2 Press the Enter key The settings are saved to...

Page 493: ...y attribute 1 In the Main Menu panel choose 6 Manage Copy Groups The Manage Copy Groups panel is displayed 2 Specify l in the AC column of the CA copy group for which you want to set the Open MF Consistency attribute Loading a copy group 3 Specify q in the AC column of the copy group you loaded Checking the copy group statuses The Copy Group Status Summary panel is displayed Defining an Open MF co...

Page 494: ...roups panel Suspending a copy group To suspend the copy group you loaded 1 In the Manage Copy Groups panel specify u in the AC column of the copy group you want to suspend Performing suspend operation 2 Specify q in the AC column of the suspended copy group Checking the copy group statuses 494 Using the ISPF panels ...

Page 495: ...en MF Consistency attribute for a copy group definition 1 In the Main Menu panel choose 3 Discover Define Configuration The Discover Define Configuration panel is displayed 2 Choose 4 Copy Group Definitions The Copy Group Selection List panel is displayed 3 Specify e in the AC column of the copy group whose definition you want to change Editing a copy group definition The Copy Group Pair Detail pa...

Page 496: ...efinition is saved and you are returned to the Copy Group Selection List panel Loading a copy group after changing its definition To load a copy group definition for which the Open MF Consistency attribute has been set 1 In the Main Menu panel choose 6 Manage Copy Groups The Manage Copy Groups panel is displayed 2 Specify l in the AC column of the copy group whose definition has been changed Loadi...

Page 497: ...oup is in the suspend status Resynchronizing a copy group To resynchronize a copy group in order to apply the new copy group definition to the copy group 1 In the Main Menu panel choose 6 Manage Copy Groups The Manage Copy Groups panel is displayed 2 Specify r in the AC column of the copy group you want to resynchronize Defining an Open MF consistency group 497 ...

Page 498: ...Y for Update Open MF 4 Press the Enter key You are returned to the Manage Copy Groups panel 5 Specify e in the AC column of the copy group whose status you want to monitor executing the YKEWAIT command with the GOTO DUPLEX parameter specified 498 Using the ISPF panels ...

Page 499: ...The Wait Options panel is displayed 6 Specify 1 for Wait transition to 7 Press the Enter key You are returned to the Manage Copy Groups panel Defining an Open MF consistency group 499 ...

Page 500: ...e Copy Group Status Summary panel is displayed Make sure that the copy group status has been moved to the DUPLEX status Operating copy groups This section explains how to operate the copy groups using the configuration example shown in Figure 122 page 501 500 Using the ISPF panels ...

Page 501: ...Make a Cnt Ac J Z copy pair Suspend a Cnt Ac J Z copy pair Make an BC Zcopy pair Suspend an BC Z copy pair Resynchronize a Cnt Ac J Z copy pair Status after operation Cnt Ac J Z copy group DUPLEX BC copy group SUSPOP Loading a copy group To load a copy group 1 Display the Main Menu panel and choose 6 Manage Copy Groups The Manage Copy Groups panel displays Copy pair status NOT LOADED 2 Specify l i...

Page 502: ...tion panel is displayed prompting the user to input the route list ID 3 Specify q in the AC column to check the copy pair statuses The copy pair statuses of copy group GRP1UR display in the Copy Group Status Summary panel all the statuses are Simplex because copy pairs have not yet been made 502 Using the ISPF panels ...

Page 503: ...ses are Simplex because copy pairs are not yet made The copy pair status of the copy group GRP2RSI is acquired from the command device 5 Press the F3 Exit key You are returned to the Manage Copy Groups panel Making a Cnt Ac J Z copy pair SIMPLEX to DUPLEX To make a Continuous Access Journal copy pair Operating copy groups 503 ...

Page 504: ...plays 2 Specify Initial Copy Option and Pair Selection In the Manage Copy Groups panel Status changes to ESTABLISHED 3 Specify q in the AC column to check the copy pair statuses The copy pair statuses of copy group GRP1UR display in the Copy Group Status Summary panel Approx Matching represents a copy pair matching rate 504 Using the ISPF panels ...

Page 505: ...em in the Copy Group Storage System Summary panel in this example the status count is one line because the configuration in this example is the 1 1 configuration Press the F4 Refresh key to refresh the display 5 Press the F3 Exit key You are returned to the Copy Group Status Summary panel 6 Press the F6 Pairs key The copy pair status displays for each copy pair in the Copy Group Pair Status panel ...

Page 506: ... key to refresh the display 7 Press the F3 Exit key You are returned to the Copy Group Status Summary panel NOTE You can also press the F5 Storage key or the F6 Pairs key to display the same panel 506 Using the ISPF panels ...

Page 507: ... pair 1 Specify u in the AC column of the Manage Copy Groups panel to suspend the copy group GRP1UR The CAJ Copy Group Suspension Options panel displays 2 Specify each option 3 Press Enter You are returned to the Manage Copy Groups panel Copy pair status SUSPENDING 4 Specify q in the AC column to check the copy pair statuses Operating copy groups 507 ...

Page 508: ...ss the F3 Exit key You are returned to the Manage Copy Groups panel Making a Business Copy for Mainframe copy pair SIMPLEX to DUPLEX To make a Business Copy for Mainframe copy pair 1 Specify m in the AC column of the Manage Copy Groups panel to make the copy pairs for the copy group GRP2RSI The BC Copy Group Make Options panel displays 2 Specify Pair Selection 508 Using the ISPF panels ...

Page 509: ...ses of copy group GRP2RSI display in the Copy Group Status Summary panel Approx Matching represents the copy pair matching rate NOTE You can also press the F5 Storage key or the F6 Pairs key to display the same panel The copy pair statuses change from Simplex to Pending Press the F4 Refresh key to refresh the display Operating copy groups 509 ...

Page 510: ...siness Copy for Mainframe copy pair To suspend a Business Copy for Mainframe copy pair 1 Specify u in the AC column of the Manage Copy Groups panel to suspend the copy group GRP2RSI The BC with C T Copy Group Suspension Options panel displays 2 Specify each option 510 Using the ISPF panels ...

Page 511: ... key to display the same panel 5 Press the F3 Exit key You are returned to the Manage Copy Groups panel Resynchronizing a Cnt Ac J Zcopy pair To resynchronize a Cnt Ac J Z copy pair 1 Specify r in the AC column of the Manage Copy Groups panel to resynchronize the copy group GRP1UR The CAJ Copy Group Resync Options panel displays 2 Specify each option 3 Press the Enter key The Manage Copy Groups pa...

Page 512: ...heck the copy pair statuses The copy pair statuses in the Copy Group Status Summary panel change from Suspend to Duplex NOTE You can also press the F5 Storage key or the F6 Pairs key to display the same panel 512 Using the ISPF panels ...

Page 513: ...which are executed when the executed action results in an error Information about Business Continuity Manager Monitor and about the copy group s status is output to SYSTSPRT or the Remote Web Console Overview of the Business Continuity Manager Monitor functions page 513 shows an overview of the Business Continuity Manager Monitor functions Figure 123 Overview of the Business Continuity Manager Mon...

Page 514: ...INACTIVE Does not monitor the copy group Specify this parameter if you want to perform actions for the copy group or display information about the copy group by using the MODIFY REPORT command without monitoring the status You can change the value to ACTIVE by using the MODIFY SET command CGSTARTUPSTATUS Startup status startup action Startup status Specifies the status of the copy group for when B...

Page 515: ...Figure 124 Example of Business Continuity Manager Monitor parameter files Overview of the Business Continuity Manager Monitor functions 515 ...

Page 516: ...r commands for an instance of Business Continuity Manager Monitor that is running you can dynamically change the values specified in the Business Continuity Manager Monitor parameter files display the values that are in effect at a given time and check the status of Business Continuity Manager Monitor and copy groups For details on Business Continuity Manager Monitor operator commands see Operator...

Page 517: ...rder to stop or put Business Continuity Manager Monitor to sleep at a particular point In Example of Business Continuity Manager Monitor parameter files page 515 if you input the MODIFY STOP command with LABEL1 specified while Business Continuity Manager Monitor is processing an action before where the ACTION STOPPOINT LABEL1 at 2 is located Business Continuity Manager Monitor will stop after all ...

Page 518: ...mand in the operating system Format If both the name of the cataloged procedure for startup and the identification name are specified in the START command use either of the following formats MODIFY Δ1 cataloged procedure for startup name identification name STOP Δ1 IMMEDIATE label name STOP Δ1 cataloged procedure for startup name identification name If only the name of the cataloged procedure for ...

Page 519: ... STOP command in the operating system it assumes that you specified the following MODIFY Δ1cataloged procedure for startup name identification name STOP Even when you enter the MODIFY STOP command that contains IMMEDIATE if Business Continuity Manager is processing the CLI command it will not stop until the command finishes If you enter a MODIFY STOP command after a MODIFY STOP command that contai...

Page 520: ...usiness Continuity Manager Monitor parameter files 8 An attempt to access the Business Continuity Manager Monitor parameter files failed The settings specified for the Business Continuity Manager Monitor parameter files are invalid GETMAIN failed One of the following errors occurred when not analyzing the Business Continuity Manager Monitor parameter files 12 An error occurred when specifying the ...

Page 521: ... commands waiting to be executed exceeds 50 an error occurs DISPLAY command To display the status of Business Continuity Manager Monitor use the MODIFY DISPLAY command This command allows you to display the following information Values that are currently effective for the parameters specified in the YKMONOPT file Values that are currently effective for the parameters specified in the YKMONCG file ...

Page 522: ...splay the commands that are waiting to be executed by the Business Continuity Manager Monitor instance whose cataloged procedure for startup name is YKBCMMON enter the following command F YKBCMMON DISPLAY OPCMDS REPORT command To display the information for a copy group whose ID is specified in the YKMONCG file use the MODIFY REPORT command The following information can be displayed Number of copy...

Page 523: ...tency information on copy groups This information can be displayed only when the copy type is Continuous Access Asynchronous or Continuous Access Journal message level STATUS Specify the level of the message to be output Specifiable values are CONS ERROR STATUS and INFO For details on message levels see the HP P9000 for Business Continuity Manager Reference Guide for the description on parameters ...

Page 524: ... Manager Monitor parameter files after Business Continuity Manager Monitor has started The values to be changed are specified by the suboperands shown below The changed values take effect from the next cycle For details on the values to be changed see the HP P9000 for Business Continuity Manager Reference Guide for the description on the YKMONOPT and YKMONCG files CYCLETIME cycle time numeric char...

Page 525: ...ITOR START CGID BCMTC To change the level of output messages as follows in the Business Continuity Manager Monitor instance whose cataloged procedure for startup name is YKBCMMON enter the command shown below SYSTSPRT message level INFO Console message level CONS F YKBCMMON SET MSGLEVEL INFO CONS SLEEP command To put Business Continuity Manager Monitor to sleep use the MODIFY SLEEP command Format ...

Page 526: ...siness Continuity Manager Monitor use the MODIFY WAKEUP command Format If both the name of the cataloged procedure for startup and the identification name were specified in the START command MODIFY Δ1cataloged procedure for startup name identification name WAKEUP If only the name of the cataloged procedure for startup was specified in the START command MODIFY Δ1cataloged procedure for startup name...

Page 527: ...umn go down in the order listed and locate the first description that matches the event that is occurring and then use the action in the Action column to solve the problem Table 92 Events and actions to be taken when a Business Continuity Manager Monitor cannot be started Action Event Check the region size of Business Continuity Manager Monitor and then Business Continuity Manager Monitor terminat...

Page 528: ...y Manager Monitor terminates immediately with a return code 00 EXEC statement and then restart Business Continuity Manager Monitor Make sure that the format and status of the specified dataset are correct and An I O error message is displayed then restart Business Continuity Manager Monitor Take appropriate action according to the displayed error message An error is displayed while analyzing the B...

Page 529: ...ontinuity Manager to suspend Continuous Access Journal copy groups Subsequent processes are automatically executed by Business Continuity Manager Monitor Example configuration for backup operation The procedure for backup operations are shown using the example configuration in Example configuration of backup operation using Business Continuity Manager Monitor page 530 In this example Continuous Ac...

Page 530: ...or backup operation that uses Business Continuity Manager Monitor starting from the situation shown in Example configuration of backup operation using Business Continuity Manager Monitor page 530 Note that the following procedure assumes that Business Continuity Manager was used to set up the configuration shown in Example configuration for backup operation page 529 530 Automatic operation using B...

Page 531: ...OR action and any other YKEWAIT CLI commands Default 180 WAITTIMEOUT 60 MSGLEVEL parameter Controls the level of messages output to SYSTSPRT and CONSOLE Default INFO CONS ONACTIONERROR parameter Specifies what to do when a defined action fails Default SKIPONLY ONACTIONERROR SKIPONLY Example of creating the YKMONCG file used for a backup operation For this operation example create the YKMONCG file ...

Page 532: ...d as start status If not BCM Monitor will terminate Example of failure monitoring This section describes a procedure for a 2DC configuration that uses Continuous Access Synchronous to monitor the status of copy groups and send messages to the administrator if the status changes In this example the following are operations that can be performed for Business Continuity Manager Monitor while copy gro...

Page 533: ...monitoring performed by using Business Continuity Manager Monitor starting from the situation shown in Example configuration of failure monitoring using Business Continuity Manager Monitor page 533 Note that the following procedure assumes that Business Continuity Manager was used to set up the configuration shown in Example configuration of failure monitoring page 532 Business Continuity Manager ...

Page 534: ...s default timeout value for the WAITFOR action and any other YKEWAIT CLI commands Default 180 WAITTIMEOUT 180 MSGLEVEL parameter Controls the level of messages output to SYSTSPRT and CONSOLE Default INFO CONS MSGLEVEL INFO CONS ONACTIONERROR parameter Specifies what to do when a defined action fails Default SKIPONLY ONACTIONERROR SKIPONLY Example of creating a YKMONCG file used for failure monitor...

Page 535: ...f the Copy Group status is SUSPER do the following actions Display user defined custom message STATUS SUSPER ACTION SENDMSG MYTC has transited to SUSPER CONS Output Copy Group summary STATUS SUSPER ACTION REPORT MYTC SUMMARY STATUS Define stop point for STOP and SLEEP commands STATUS DUPLEX ACTION STOPPOINT LABEL1 Business Continuity Manager Monitor operation examples 535 ...

Page 536: ...an be achieved when Business Continuity Manager is linked to Replication Manager This section describes what can be achieved when Business Continuity Manager is linked to Replication Manager To link Business Continuity Manager to Replication Manager start the Business Continuity Manager agents Whenever Business Continuity Manager links to Replication Manager the Business Continuity Manager agents ...

Page 537: ...m information on mainframe system storage from Replication Manager Local scan Remote scan NG scan For details on device scans see Local Scan page 90 Remote Scan page 90 and NG Scan page 91 Defining a copy group from Replication Manager You can define a copy group on mainframe system storage from Replication Manager by using the storage system information that is acquired by performing a device sca...

Page 538: ...f you define a PPRC copy pair as a Business Continuity Manager copy group using the copy group definition generation function you can obtain information about the PPRC copy pair from Replication Manager For details on how to create a copy group definition file for a PPRC copy pair see Importing definitions for monitoring PPRC copy pairs page 248 Possible configurations An Replication Manager insta...

Page 539: ...to Replication Manager For details see the description for initialization parameters in the HP P9000 for Business Continuity Manager Software Installation Guide Selecting a startup mode For a Business Continuity Manager agent you can select a startup mode to determine what kind of permission is granted when starting the Business Continuity Manager agent You can select Configuring a Business Contin...

Page 540: ... the Business Continuity Manager agent locks the configuration file while it is starting In an LPAR environment the Business Continuity Manager agent locks the configuration file that exists in the LPAR Because the configuration file is locked other users cannot update the configuration file CHECK the Business Continuity Manager agent does not lock the configuration file while it is starting and b...

Page 541: ...n the following situation A Business Continuity Manager agent starts and locks the configuration files with prefix BCM A After that another user issues a request for the locked configuration file The Roman numerals i to v in Figure 132 page 541 correspond to the following descriptions Figure 132 If the Business Continuity Manager BC Manager agent has already been started i Business Continuity Mana...

Page 542: ...ults panel and the attempt fails Likewise if a user attempts to change the prefix of a configuration file to BCM A an error is displayed in the Set Defaults panel and the attempt fails If a user attempts to start BCM Monitor by using a configuration file with prefix BCM A the attempt fails v Business Continuity Manager user CLI command The user can execute CLI commands Note however that the YKH2B ...

Page 543: ... the configuration file while it is starting As a result the configuration file with prefix BCM B can be used to start this agent iii Business Continuity Manager agent 3 Because this agent is in monitor mode it does not attempt to lock the configuration file while it is starting As a result the configuration file with prefix BCM B can be used to start this agent iv Business Continuity Manager user...

Page 544: ...Y500I The configuration file has been updated YKY680I A copy group is being operated on 1 1 If the same CLI commands are executed multiple times during one API acceptance only the result generated from the last CLI command that was executed is output If an error occurs and the CLI command execution is interrupted the result that was generated immediately before the interruption is output as an err...

Page 545: ...s each job when the same startup cataloged procedure name is used to start multiple jobs MEMBER member name Used to specify a member name of the initialization parameter If omitted the standard member name specified in the cataloged procedure for startup is used SYSOUT output class Used to specify an output class for the output list If omitted the output class is automatically determined based on ...

Page 546: ...Return Code in decimal Stopped by using the STOP command 0 Immediate shutdown When the child task has terminated or abnormally terminated with a return code other than 0 4 8 Initialization parameter analysis error YKLIST DD open error 12 GETMAIN failure for the tables used by job step tasks Other initialization errors other than the initialization parameter analysis error No profile has been defin...

Page 547: ...the MODIFY command with the DISPLAY LOGLEVEL parameter specified Format If both the name of the cataloged procedure for startup and the identification name were specified in the START command MODIFY 1 cataloged procedure for startup name identification name DISPLAY LOGLEVEL If only the name of the cataloged procedure for startup was specified in the START command MODIFY 1cataloged procedure for st...

Page 548: ...Y command To prevent the Business Continuity Manager log data from being output change the value of the initialization parameter and then restart the Business Continuity Manager agent For details about the output level see the description of the initialization parameter LOGLEVEL in the HP P9000 for Business Continuity Manager Software Installation Guide Example To change the log output level to2 f...

Page 549: ...To switch to the Business Continuity Manager agent installed on one or more other hosts from Replication Manager change the primary host for the copy groups For details on how to change the primary host see the HP P9000 Replication Manager Software User Guide After the system has recovered from a site error or host failure you must restart the Business Continuity Manager agent and then refresh the...

Page 550: ...in the YKY680I message Error detected during information acquisition Time of message output when the command is executed Command name Command return code Console Information output in the YKY305I message Reason for release Forced release of a TCP connection Information output in the YKY315I message Error detected during communication processing Name of request during TCP IP communication Response ...

Page 551: ...ally SYSOUT is specified Command View Advanced Edition product windows or error log files The YKY703E to YKY719E messages are output The data requested by the corresponding Command View Advanced Edition products is invalid When Business Continuity Manager agent cannot be started Table 97 page 551 lists the events and actions to be taken when Business Continuity Manager agent is unable to start Loc...

Page 552: ... code 001 Take appropriate action according to the displayed message The IEC020I message is not displayed Specify the correct SYSEXEC DD statement and then The SYSEXEC DD statement is missing The following message is displayed YKY604I restart Business Continuity Manager agent IRXJCL MODULE ERROR CODE 20 Check with the system administrator to determine if The SYSEXEC DD statement is displayed the s...

Page 553: ... displayed YKY330I SOCKET API FAILURE OPEN BIND 0000001 0000048 number in the initialization parameter and then restart Business Continuity Manager agent Protected by RACF Check and if necessary revise the RACF settings and then restart Business Continuity Manager agent The following message is displayed YKY330I SOCKET API FAILURE INIT INITAPI 0000001 0000156 Protected by RACF Check and if necessa...

Page 554: ...anges to an error status Error notification Monitors events that might cause an error in the future Provides information to help prevent errors from occurring or identify the cause of an error after it has occurred Performance Monitor Extracts trace information such as macros issued to the storage system to help find the cause of errors when they occur Collecting trace information Stores traced in...

Page 555: ... Business Continuity Manager Software Reference Guide Performance Monitoring is achieved via the following means The YKQUERY command To obtain the statuses of copy pairs The YKSTATS command To obtain Cnt Ac A and Cnt Ac J Z copy group performance information NOTE The Usage monitor must be running when the function to obtain performance statistics the YKSTATS command is used For Cnt Ac J Z start th...

Page 556: ...so when an operator invokes GTF with the GTF parameter set to acquire USR trace information TRACE USR trace information is acquired as a GTF trace with an event code from X 300 to X 30F Perform the following to output ABEND dumps For scripts Specify a SYSABEND DD statement for JCL For TSO E After logging on to the TSO E terminal you need to enter the following commands before executing any CLI com...

Page 557: ...service or to output them to a sequential dataset by not using the system logger service The system logger service provides the MVS standard log writing display and deletion functions The system logger service also offers the following features Ability to use frameworks for log volume management functions to automatically migrate log data and allocate log datasets and failure management a log dupl...

Page 558: ...splex compatible Setting Access Privileges If the System Authorization Facility SAF can be used you must make sure that the user executing Business Continuity Manager commands has the following permissions in order to have the system perform an SAF authorization check for each request CLASS FACILITY RESOURCE MVSADMIN LOGR Permissions ALTER or READ CLASS LOGSTRM RESOURCE log stream name Permissions...

Page 559: ...m to YKS Therefore if a system name starts with a number the substring used for the log stream name must be unique in the Sysplex The following example shows how the system name starting with a number is converted to the system name with a log stream name System name 1SYS starts with a number and contains fewer than 5 characters Business Continuity Manager appends 1SYS 4 characters to YKS and crea...

Page 560: ...ze depends on the output frequency of the output of Business Continuity Manager log data to an external dataset and how Business Continuity Manager log data deletion is performed Special attention should be taken when specifying the size Do not specify this parameter when using an SMS definition LS_DATACLAS ls_dataclas Specify this parameter when using an SMS definition Specify the name of the SMS...

Page 561: ... SYSOUT SYSIN DD DATA TYPE LOGR REPORT YES LIST LOGSTREAM NAME log_stream_name DETAIL YES For details on the log stream name log_stream_name to be confirmed in JCL see Which Parameters to Specify for a Log Stream Definition page 559 and apply modifications in accordance with the environment Business Continuity Manager Log Output Method Using System Logger Service The system logger service uses one...

Page 562: ...ollows For TSO E after logging on use the ALLOC command to specify YKLOG01 DD and YKLOG02 DD statements Alternatively use a command procedure to specify YKLOG01 DD and YKLOG02 DD statements For a script specify YKLOG01 DD and YKLOG02 DD statements for the JCL during script execution The following is an example specification for a script or logon procedure YKLOG01 DD DSN USER01 YKLOG01 DISP OLD VOL...

Page 563: ...ed the YKZ291I message or the YKZ292I message is output to the console If this happens the name of the log dataset that has become full is displayed in the YKZ291I message and both the job name and the DD names of the log YKLOG01 or YKLOG02 before and after the switchover are displayed in the YKZ292I message To acquire a backup of the Business Continuity Manager logs 1 If the YKZ291I or YKZ292I me...

Page 564: ...ded before being output The maximal block size is 32 760 bytes Specifying Log Data Conditions For the symbols used in the explanation on the format see Conventions in syntax explanations page 591 Control Statements The control statement which is specified by the SYSIN DD statement when the YKLOGCP command is executed contains both a RANGE control statement and a SELECT control statement The follow...

Page 565: ... 00 00 to 2004 03 24 23 59 as follows RANGE STARTTIME 2004 03 24 00 00 00 ENDTIME 2004 03 24 23 59 59 Specify logs whose log acquisition date is within the range from 2004 03 24 00 00 to 2004 03 24 23 59 and whose job name is either USER01T or USER01 as follows RANGE STARTTIME 2004 03 24 00 00 00 ENDTIME 2004 03 24 23 59 59 SELECT COND JOBNAME EQ USER01T SELECT COND JOBNAME EQ USER01 Example JCL T...

Page 566: ... Reserved 10 X 16 Log data n X 20 ISPF Log Data To check the actions performed in the ISPF panel of Business Continuity Manager 1 From the ISPF menu choose 7 Dialog Test The Primary Option panel displays 2 From the Primary Option panel choose 5 Log The ISPF log data is displayed The displayed ISPF log data can be printed NOTE After command operations from the ISPF panel continue for a long period ...

Page 567: ...ays to retrieve the CLI command execution logs from SYSLOG Using the ISPF editor Using a script for retrieval Using the ISPF Editor To use the ISPF editor for retrieval 1 Create a dataset to which SYSLOG is to be output For this example the name of the sequential dataset is assumed to be YUKON BCMLOG 2 In the SDSF panel display SYSLOG 3 In the panel displaying SYSLOG enter commands to output SYSLO...

Page 568: ...et created in step 2 If the procedure is stored in the sequential dataset named YUKON EXTCMD for example then executing the log retrieval procedure will result as follows EXEC YUKON EXTCMD YKZ31 YUKON SYSLOG YUKON BCMLOG Example of a CLI command execution log retrieval procedure REXX Parse Upper Arg Mystrg Myinds Myoutds ALLOCATE DA Myinds F INDD SHR REUSE ALLOCATE DA Myoutds F OUTDD OLD REUSE EXE...

Page 569: ...from the ISPF panel or a script and then re define the command device Recovering a Command Device After a Power Outage Command device registration information and logical path information within the storage system may be lost due to a power outage After turning on the power again perform the following operations if necessary If the result of executing the YKQRYPTH command indicates that the logica...

Page 570: ...s To operate and monitor the status transition of the volume for which failure has occurred without affecting other copy pairs 2 occurred and perform operation and status monitoring on a copy pair basis To monitor status transition when there are many volumes for which failure have occurred use the NOINVALIDCHECK parameter of the YKEWAIT command Until the copy pairs are recovered resynchronized sp...

Page 571: ...er YKRESYNC Remove the problem preventing the The size of the P VOL is greater than processing with copy direction that of the S VOL REVERSE specified from being reversed A limitation exists with Execute YKRESYNC with another program REVERSE product with DEVN which the VOLUNIT volume is shared specified for the volume in the SWAPPING An old P VOL is online status for the copy pair for Other which ...

Page 572: ...SE specified YKRECVER To perform operations from a Cut power for the primary storage system Same as the pair status during a failure Cut power the status will be SUSPER after the Power cut to the primary storage system without battery a backup PSOFF or cut power secondary storage system without after the power is turned on the power is turned on waiting for recovery of the status will change prima...

Page 573: ...ering from Other Types of Failures Table 106 page 574 lists the procedures for recovering from failures other than those occurring during failovers or due to PSOFF or cut power Recovering from a Failure 573 ...

Page 574: ...P YKQUERY S YKMAKE with DEVN specified P YKRESYNC with FORWARD DEVN specified P YKRESYNC with FORWARD DEVN specified P YKDELETE with DEVN specified S YKMAKE P N A N A SUSPCU nl YKQUERY P YKQUERY P YKQUERY P YKQUERY S SUSPER YKRESYNC with YKRECVER with DEVN YKSUSPND with FORWARD YKDELETE with DEVN specified S FORWARD DEVN specified P specified P DEVN specified P YKMAKE with DEVN specified P YKQUERY...

Page 575: ...ite VOLB A volume on the storage system of the secondary site P Command executed from the primary site S Command executed from the secondary site N A Not applicable What To Do When an Error Occurs While Creating a Configuration File This section describes what actions to take when an error occurs while creating or updating a configuration file How To Correct an Error that Occurs While Creating or ...

Page 576: ...576 Troubleshooting ...

Page 577: ...encing Causes of Errors that Might Occur While Creating or Updating a Configuration File and the Recommended Actions page 577 After that by pressing the Enter key you can create or update a configuration file If you press the F12 CANCEL key in this panel the Cancellation Warning panel is displayed If you press the Enter key or F3 Exit key in the Cancellation Warning panel the creation or update of...

Page 578: ...location might not by using the EXECIO TSO E REXX command be possible when allocation using a configuration file is performed because the system default values are used for the amount of capacity for primary allocation and secondary allocation In this case take either of the following actions Delete the configuration file in which an error occurred check the dataset format and the required device ...

Page 579: ...t for the CSV file is not supported See the EXECIO message that is output at the same time and then take appropriate action See Causes of Errors that Might Occur While Creating or Updating a Configuration File and If YKS085E YKS086E or YKS270E is displayed in the YKJ051E 2 the Recommended Actions page 577 and then take appropriate action message this error occurred while generating the configurati...

Page 580: ...ocsfeedback hp com Include the document title and manufacturing part number All submissions become the property of HP Related information This manual is part of a related set of manuals The manuals in the set are listed below Manuals related to Business Continuity Manager HP P9000 for Business Continuity Manager Software Messages HP P9000 for Business Continuity Manager Software Installation Guide...

Page 581: ...726 ISPF User s Guide Volume I SC34 4791 Manuals related to IBM z OS Program Directory for IBM Library for REXX on zSeries Alternate Library GI10 3243 MVS Initialization and Tuning Reference SA22 7592 MVS Setting Up a Sysplex SA22 7625 MVS System Codes SA22 7626 MVS System Commands SA22 7627 Security Server RACF Security Administrator s Guide SA22 7683 Security Server RACROUTE Macro Reference SA88...

Page 582: ... bytes 1 GB gigabyte 1 0003 bytes 1 TB terabyte 1 0004 bytes 1 PB petabyte 1 0005 bytes HP storage systems use the following values to calculate logical storage capacity values logical devices 1 KB kilobyte 1 024 bytes 1 MB megabyte 1 0242 bytes 1 GB gigabyte 1 0243 bytes 1 TB terabyte 1 0244 bytes 1 PB petabyte 1 0245 bytes 1 block 512 bytes Typographic conventions Table 109 Document conventions ...

Page 583: ...ariables Emphasized monospace text Monospace bold text WARNING Indicates that failure to follow directions could result in bodily harm or death CAUTION Indicates that failure to follow directions could result in damage to equipment or data IMPORTANT Provides clarifying information or specific instructions NOTE Provides additional information TIP Provides helpful hints and shortcuts Typographic con...

Page 584: ...d device you do not need to set the host ID For a host ID a unique value is specified for each operating system by using a 2 digit hexadecimal number in the range from 00 to 1F In an LPAR environment a host ID is specified for each LPAR For details on how to specify a host ID see the HP StorageWorks P9000 for Business Continuity Manager Software Installation Guide Configurations for Which Command ...

Page 585: ...ch Command Devices Are Controlled from Both Directions Figure 136 Configurations for Which Command Devices Are Used by Other Hosts to Manage their Statuses en Route Configurations for Which Command Devices Can and Cannot Be Defined 585 ...

Page 586: ...ns In cases like this define the command devices by splitting the device address domain IDs To set several command devices 1 In the Set Defaults panel change the Device Address Domain ID Local Device Address Domain ID and scan a device different from the existing devices 2 In the Route Config panel define a route list ID different from the existing route list IDs Additionally define an APID that i...

Page 587: ...When Multiple Command Devices Are Defined for a Single Storage System on the Same Device Address Domain 587 ...

Page 588: ...588 Defining Command Devices in Non basic Configurations ...

Page 589: ...aset consecutively Ensure that the dataset size does not exceed the volume size specifying the ABSTR subparameter enables the dataset to be consecutively allocated to the appropriate tracks Command device protection dataset name prefix COMDEV identifier dad id prefix Same as the prefix used by Business Continuity Manager prefix set in Configuration File Prefix in the Set Defaults panel identifier ...

Page 590: ...ing JCL example demonstrates placing the device number offline before the JCL is submitted using fifteen tracks of one cylinder INIT EXEC PGM ICKDSF SYSPRINT DD SYSOUT A SYSIN DD INIT UNITADDRESS 73DA VOLID SOFTDA NOVERIFY NOVALIDATE NOCHECK VTOC 0 1 14 NOINDEX The following JCL example demonstrates allocating the command device protection dataset The device number corresponding to the volume is u...

Page 591: ...ecede this symbol can be specified repeatedly Example A means you can specify the items after A as many times as necessary Italics used in explanations of formats indicates that the item is an optional value specified by the user Italics Indicates that the item is a value assumed by the system if one of the items enclosed by the selection symbols is omitted _ Indicates that there is a space Δ Indi...

Page 592: ...ogether by periods Uppercase letters numbers and some special characters GROUP string and can be used Each substring must begin with an uppercase letter or a special character and must consist of 1 to 8 characters Ab123 Alphabetical characters numbers or a combination of alphabetical characters and numbers LABEL string 592 Conventions in syntax explanations ...

Page 593: ...pecified in BCM Monitor parameter files BCM Monitor parameter file A generic name that refers to the YKMONCG and YKMONOPT files The actions for BCM Monitor are specified in the BCM Monitor parameter files Business Continuity Manager agent A program required to link with Replication Manager Business Continuity Manager agent passes requests between Replication Manager and Business Continuity Manager...

Page 594: ...tion configuration CSA Common service area CSB Channel status byte CSL Callable Services Library CSV Comma separated values CU Control unit D DAD Device address domain Indicates sites that adopt the same device numbering system If several hosts on the same site have the same device numbering system they have the same name DASD Direct access storage device DBCS Double Byte Character Set DC Data cen...

Page 595: ...ess Continuity Manager environment or used to display the settings The environment setting command includes the YKALCSVC YKSETENV and YKDSPENV commands EXCTG When Cnt Ac J are in a 4x4 configuration consistency can be preserved between volumes on multiple DKCs This group which maintains volume consistency is called an Extended ConsisTency Group EXCTG information CSV file A CSV file in which EXCTG ...

Page 596: ...Pv4 Internet Protocol Version 4 IPv6 Internet Protocol Version 6 ISPF Interactive system productivity facility J JCL Job Control Language JES startup procedure A cataloged procedure to start JES Job Entry System journal cache A memory cache installed in the DKC used by Cnt Ac J Update data to a data volume may be saved temporarily in memory as a journal cache during journal creation processing bef...

Page 597: ...Two data center 2DC configuration A configuration in which remote copying is performed from the primary site to the secondary site 2DC configuration with HyperSwap and Cnt Ac J Z A configuration that performs a delta resync between the primary site and a secondary site after a HyperSwap on the primary site This enables a 2DC configuration to be maintained in which applications can be continued eve...

Page 598: ...to be applied PPRC An IBM backup product that executes synchronous copies without passing through the host PPRC copy pair for which HyperSwaps are enabled A PPRC Cnt Ac S copy pair for which HyperSwaps can be performed TPC R can be used to create these copy pairs You can define a Cnt Ac S copy pair as a Cnt Ac S copy pair with the HyperSwap attribute by using the YKH2B command in Business Continui...

Page 599: ... command used to dynamically change values specified in the BCM Monitor parameter files By specifying this parameter in the MODIFY command you can change the CYCLETIME WAITTIMEOUT or MSGLEVEL values and change the monitoring status of a copy group between ACTIVE and INACTIVE SETINIT command An operator command used to set the initialization parameter for the Business Continuity Manager agent By sp...

Page 600: ...ttribute TCA TrueCopy Asynchronous TPC R An IBM copy management product TPC R makes it possible to create or operate PPRC copy pairs for which HyperSwaps are enabled TSO E Time Sharing Option Extensions U UR Hitachi Universal Replicator Also known as HP XP Continuous Access Journal Cnt Acc J V VM Virtual machine VOLSER Volume serial number W WAKEUP command An operator command used to wake up BCM M...

Page 601: ...n z Linux z Linux volume copy groups can be operated from Business Continuity Manager running on z OS For details about prerequisites for using z Linux volumes see the HP StorageWorks P9000 for Business Continuity Manager Software Installation Guide 601 ...

Page 602: ...on definition procedure 206 preparing configuration file 204 preparing hardware 203 prerequisite hardware 203 storage system setting items 204 A access privileges setting 558 acquiring copy pair status 263 disk configuration information 106 hardware information 430 path information from storage system 1 13 actions taken for configuration file creation error 575 adding entry 463 logical path to pat...

Page 603: ...tion for the Open MF Consistency Preservation Function 234 configuration file creating 102 required settings 105 using 262 configuration files updating 548 configuration files 2DC configuration with HyperSwap and Continuous Access Journal preparing 179 configuration files 2DC configuration preparing 129 configuration files 3DC Multi Target configuration definition preparint 151 configuration files...

Page 604: ...et 439 remote DKC control function 1 15 route list 1 18 457 route list ID 458 second route 468 defining copy group attributes procedure 483 484 defining copy group container 500 defining SMS 558 definition procedure 2DC configuration with HyperSwap and Continuous Access Journal 181 4x4x4 Cascade configuration 206 deleting log stream 561 delta resync defining 166 items to be set for hardware 161 it...

Page 605: ...8 importing SMS storage group definition 254 importing SMS storage group information before importing new SMS storage groups 256 information collected for logs 556 information output to log 551 initiator port 96 inter CU logical path 96 inter CU logical path dedicated to command device creating 122 inter CU logical path set defining 447 inter DKC logical path 97 inter DKC logical path set defining...

Page 606: ...ration 129 configuration files 3DC Multi Target configuration definition 151 configuration files 4x4 configuration 192 configuration files Delta Resync 164 preparing configuration file 4x4x4 Cascade configuration 204 preparing hardware 2DC Configuration with HyperSwap and Continuous Access Journal for Mainframe 177 4x4x4 Cascade configuration 203 preparing the software configuratino for the Open M...

Page 607: ... 558 stoppingsystem logger service 558 storage capacity values conventions 582 storage group information importing 255 Storage system maintenance primary site 300 storage system maintenance failback to primary site 302 storage system setting items 4x4x4 Cascade configuration 204 storage systems supported models 16 Subscriber s Choice HP 580 supported PPRC command 249 suspending BC copy pair 510 Cn...

Page 608: ...Y YKEXPORT command CSV file 245 to update existing copy group definition file 247 YKIMPORT 244 608 Index ...

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