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Preparing for Universal Volume Manager Operations

3-1

Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide

Preparing for Universal Volume

Manager Operations

This chapter describes the requirements and preparations for Universal
Volume Manager operations.

System Requirements

Guidelines for Universal Volume Manager Operations

Installing and Uninstalling Universal Volume Manager

Starting Universal Volume Manager

Summary of Contents for MK-96RD626-07

Page 1: ...6RD626 07 Hitachi Universal Storage Platform V Hitachi Universal Storage Platform VM Hitachi Universal Volume Manager User s Guide FASTFIND LINKS Document Organization Product Version Getting Help Contents ...

Page 2: ...a Systems applicable agreements All of the features described in this document may not be currently available Refer to the most recent product announcement or contact your local Hitachi Data Systems sales office for information on feature and product availability This document contains the most current information available at the time of publication When new and or revised information becomes ava...

Page 3: ...i Universal Volume Manager 1 2 Unifying Copy Operations between Different Storage Systems 1 3 Unifying Connections from a Host to Different Storage Systems 1 4 About Universal Volume Operations Manager 2 1 Connecting External Storage System 2 2 Universal Volume Manager Components 2 4 Storage Systems and Cross subsystem Paths 2 5 Volumes and Mapping Paths 2 5 Universal Volume Manager Operations 2 7...

Page 4: ...age for z OS 2 26 Copy on Write Snapshot 2 26 Dynamic Provisioning 2 27 SNMP Agent 2 27 Examples of Using External Volumes with Other Products 2 28 Volume Migration Operations 2 28 TrueCopy Operations 2 30 Universal Replicator Operations 2 32 ShadowImage Operations 2 34 Copy on Write Snapshot Operations 2 36 Preparing for Universal Volume Manager Operations 3 1 System Requirements 3 2 Storage Syst...

Page 5: ...lume Manager Operations 5 1 Overview of Setting Operations 5 2 Setting Port of External Storage System 5 3 Setting Port Attribute for Local Storage System 5 3 Mapping an External Volume Automatically 5 4 Mapping an External Volume Manually 5 6 Add Volume Dialog Box 5 8 Set External Volume Parameter Dialog Box 5 10 LDEV Mapping Auto Dialog Box 5 11 LDEV Mapping Manual Dialog Box 5 13 SSID Dialog Bo...

Page 6: ...ng of the External Volume 5 41 Changing the Inflow Control Setting of the External Volume 5 42 Changing the Port Setting of the External Storage System 5 42 Change WWN Parameter Dialog Box 5 43 Editing Mapping Policy 5 44 Edit Policy Dialog Box 5 44 Deleting the External Volume Mapping 5 45 Remote Command Devices 7 1 Overview of Remote Command Devices 7 2 Guidelines for Remote Command Devices 7 3 ...

Page 7: ...tus and Examples of Recovery Procedure SVS200 A 14 EVA Storage System A 15 System Parameter Settings for Connecting EVA Storage System A 15 Identifying Logical Volume of EVA Storage System Using Characteristic 2 A 15 Note on Behavior of Alternate Path when EVA Storage System is Connected A 17 System Parameter Settings for Connecting Sun StorEdge 6120 6320 A 17 System Parameter Settings for Connect...

Page 8: ...viii Contents Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

Page 9: ...VM storage system Please read this document carefully to understand how to use this product and maintain a copy for reference purposes This preface includes the following information Intended Audience Product Version Document Revision Level Changes in this Revision Document Organization Referenced Documents Document Conventions Convention for Storage Capacity Values Getting Help Comments Notice Th...

Page 10: ...iar with the Storage Navigator software for the Universal Storage Platform V and Hitachi Universal Storage Platform VM storage systems and has read the Storage Navigator User s Guide Product Version This document revision applies to USP V VM microcode 60 02 4x and higher Document Revision Level Revision Date Description MK 96RD626 P February 2007 Preliminary Release MK 96RD626 00 April 2007 Initia...

Page 11: ...tion The following table provides an overview of the contents and organization of this document Click the chapter title in the left column to go to that chapter The first page of each chapter provides links to the sections within that chapter Chapter Appendix Description 1 Overview of Universal Volume Manager Provides an overview of Universal Volume Manager 2 About Universal Volume Operations Mana...

Page 12: ...tical order Referenced Documents Hitachi Universal Storage Platform V VM Hitachi Command Control Interface CCI User and Reference Guide MK 90RD011 Hitachi Copy on Write Snapshot User s Guide MK 96RD607 Hitachi Dynamic Provisioning User s Guide MK 96RD641 Hitachi LUN Expansion User s Guide MK 96RD616 Hitachi Performance Manager User s Guide MK 96RD617 Hitachi ShadowImage User s Guide MK 96RD618 Hit...

Page 13: ...xt provided by the user or system Example copy source file target file Note Angled brackets are also used to indicate variables screen code Indicates text that is displayed on screen or entered by the user Example pairdisplay g oradb angled brackets Indicates a variable which is a placeholder for actual text provided by the user or system Example pairdisplay g group Note Italic font is also used t...

Page 14: ...ditions and or consequences e g disruptive operations WARNING Warns the user of severe conditions and or consequences e g destructive operations Convention for Storage Capacity Values Physical storage capacity values e g disk drive capacity are calculated based on the following values 1 KB 1 000 bytes 1 MB 1 0002 bytes 1 GB 1 0003 bytes 1 TB 1 0004 bytes 1 PB 1 0005 bytes Logical storage capacity ...

Page 15: ...ormation messages SIMs including reference codes and severity levels displayed by Storage Navigator and or logged at the host The Hitachi Data Systems customer support staff is available 24 hours day seven days a week If you need technical support please call United States 800 446 0744 Outside the United States 858 547 4526 Comments Please send us your comments on this document Make sure to includ...

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Page 17: ... Universal Volume Manager User s Guide Overview of Universal Volume Manager This chapter provides an overview of Universal Volume Manager Universal Volume Manager Unifying Copy Operations between Different Storage Systems Unifying Connections from a Host to Different Storage Systems ...

Page 18: ...can be used with storage system based software for data migration and replication as well as any host based application Combined with Hitachi Volume Migration software Universal Volume Manager provides an automated data lifecycle management solution across multiple tiers of storage The key features and benefits of Universal Volume Manager include Universal Volume Manager virtualizes external stora...

Page 19: ... data between a volume in the USP V VM storage system and a volume in an external storage system To copy data between a volume in an external storage system and a volume in another external storage system Legend Volumes installed in the storage system Virtual volumes that do not have physical memory space Copy operation Storage Navigator Computer Lines showing the concept of virtualization Storage...

Page 20: ... needs to configure the connection from a host to the USP V VM storage system After the configuration is completed a host can manipulate volumes in the external storage system in the same way as volumes in the USP V VM storage system Host Legend Volumes installed in the storage system Virtual volumes that do not have physical memory space Access Lines showing the concept of virtualization UVM allo...

Page 21: ...ns the functions and applications of Universal Volume Manager Connecting External Storage System Universal Volume Manager Components Universal Volume Manager Operations Configuring Universal Volume Manager Choosing Mapping Policy Using a Mapped External Volume from a Connected Host Interoperability with other Products and Functions Examples of Using External Volumes with Other Products ...

Page 22: ... storage system but also external volumes using Storage Navigator The management numbers consist of external volume group number sequential number Example E2 1 E50 3 Figure 2 1 shows the idea of connection between a local storage system and an external storage system which are connected by the Universal Volume Manager function In the Figure 2 1 the external storage system is connected to the exter...

Page 23: ...External Storage System Internal Volumes Legend Host 2 Volumes installed in the storage system Virtual volumes that do not have physical memory space Lines showing the concept of mapping Switch Figure 2 1 Concept of Universal Volume Manager By mapping an external volume as an internal volume using Universal Volume Manager as shown in Figure 2 1 it becomes possible to operate the external volume us...

Page 24: ...me Cross subsystem path Mapping path The following figure illustrates the relations of the Universal Volume Manager components Local Storage System Target Port Host Port WWN External Storage System External Port Legend Volumes installed in the storage system Virtual volumes that do not have physical memory space Lines showing the concept of mapping Mapping Cross subsystem Path Mapping Path Storage...

Page 25: ...ager operations Volumes and Mapping Paths Volumes in the external storage system see C in Figure 2 2 are called external volumes Mapping is necessary to manipulate an external volume from the local storage system The system administrator maps an external volume as an internal volume see B in Figure 2 2 in the local storage system After the mapping you can manipulate the external volume from the lo...

Page 26: ...nction to an internal volume where an external volume is mapped after mapping The LDEVs created by these methods are called LDEVs in the external volume in this document These LDEVs are usually called external volumes in other documents An external volume corresponds to a VLL VDEV Virtual Device An LDEV in the external volume corresponds to a VLL LDEV Therefore you can use VLL function to create c...

Page 27: ...commands of Universal Volume Manager Setting up and removing the cross subsystem paths When you set up or remove the path cable connecting the storage systems you need to use the Universal Volume Manager to make settings on the path Referring to the status of external volumes You can refer to the status and the configuration of external volumes Stopping the use of external volumes You can cancel m...

Page 28: ...m cannot be connected to the ports other than the external port In order to set the port attribute to external the LU paths set to the port must be released The attribute of the port where the LU paths are already set cannot be changed to external Therefore you must identify ports whose attributes can be changed to external before starting the Universal Volume Manager operations Note The ports who...

Page 29: ...p Or you can register the volumes in one external volume group and manage them in block even though the data you want to manage in a lump is stored in volumes in the different external storage systems You need to assign numbers to external volume groups Configuring External Volume Attributes When you map an external volume as an internal volume you set the attributes of the external volume Externa...

Page 30: ...ger User s Guide Note When you set the cache mode note the following Data that is not written by the host for example data written by ShadowImage is asynchronously destaged to the external storage system regardless of the Cache Mode setting If you set the emulation type for a mainframe system such as 3390 x data that is written by a host using a command such as Format Write is asynchronously desta...

Page 31: ...aths Setting of the path groups A path group is automatically set when you map the external volume You cannot set a new path group by itself Setting of cross subsystem paths Use fibre cables to establish multiple paths between the external storage system and the local storage system At this time connect to the external storage system from the different cluster port of the local storage system If m...

Page 32: ...bled using the primary path set in the mapping operation The path is automatically switched to the alternate path when the primary path set in mapping operation cannot be used due to for instance maintenance operation in the storage system or a failure in the channel processor Because the path is switched to the alternate path the I O operation to the external volume continues even though an error...

Page 33: ... an example of setting an alternate path when a switch is used Two ports are specified in the local storage system and connected to the ports in the external storage system through the switch In this case two ports of different clusters are specified in the local storage system Therefore the setting of the alternate path is enabled External Storage System A B External CL2 A Legend Internal volume ...

Page 34: ...5 Legend Internal volume where the external volume is mapped Port WWN A LUN 5 Switch Local Storage System Figure 2 5 Example of Unavailable Alternate Path Setting Examples of Switching I O Execution Paths to Alternate Paths This section describes the case examples of the performance when the I O execution path is switched to the alternate path for each path mode as follows When the path mode is Mu...

Page 35: ...rity 3 Error I O External Storage System Legend Internal volume where the external volume is mapped Local Storage System External Storage System Local Storage System Figure 2 6 When the Path Mode is Multi Mode When the path mode is Single mode Figure 2 7 shows an example of the case when the path mode is Single mode When an error occurs in the path that is being used for I Os the I O execution pat...

Page 36: ...rt B Port WWN B External Volume External Port C Port WWN C Path Priority 3 Path Priority 1 Path Priority 2 Port WWN A External Port A Path Priority 1 External Port A Port WWN A Error Figure 2 7 When the Path Mode is Single Mode When the path mode is Single mode and there is at least one alternate path in the Standby status Figure 2 8 shows an example of the case when the path mode is Single mode a...

Page 37: ...tion path is switched back to the restored highest priority path In this case the status of the path for which the status has been changed to Normal when the error has occurred is changed back to Standby External Port B Port WWN B Internal Volume External Port A Port WWN A External Volume External Port C Port WWN C External Port B Port WWN B Internal Volume External Port A Port WWN A External Volu...

Page 38: ...lume External Port A Port WWN A External Volume External Port C Port WWN C Error Path Priority 1 Status Normal Path Priority 1 Status Blockade Path Priority 2 Status Standby Path Priority 3 Status Standby Path Priority 3 Status Standby Path Priority 2 Status Normal I O External Storage System Legend Internal volume where the external volume is mapped Local Storage System External Storage System Lo...

Page 39: ...ume becomes Blockade after the mapping operation After the system administrator performs the Write to Control Blocks operation or formats the mapped external volumes using VLL function on the local storage system side the mainframe host can then access the new mainframe volume through the local storage system s ESCON or FICON channels Note If you format the mapped volume of the external storage sy...

Page 40: ...ic mapping users configure only cross subsystem paths and all the other settings above are automatically made by Universal Volume Manager according to the mapping policy When you perform manual mapping users configure all the settings Automatic mapping maps all the external volume found by the Volume Discovery to the internal volumes Automatic mapping requires less settings but you are not allowed...

Page 41: ... is connected to USP V VM and has a management LU for example Universal Xport LU an extra operation is required A management LU is an LU that receives commands issued by a particular application The management LU controls or manages that application The management LU stores control information from that application and therefore the management LU cannot be used as an external volume A command devi...

Page 42: ...tem such as 3390 3 go on to the step 3 2 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal If you need to initialize the data area of the mapped volume format the volume using the VLL function For the volume formatting procedure see the Virtual LVI LUN and Volume Shredder User s Guide Go on to the step 4 3 If you ...

Page 43: ...is connected to the local storage system 1 Store the data from the host that is connected to the external storage system to the volume in the external storage system 2 Map the volume containing data in the external storage system as an internal volume of the local storage system using Universal Volume Manager When you map the external volume set the attributes of the mapped volume as follows Emula...

Page 44: ...ge system Once you have mapped an external volume as an internal volume you can access the mapped external volume only from the local storage system side From the host you can access the external storage system volumes that have not been mapped as the internal volumes There is no restriction Mapping External Storage System Set the Target port and set the LU path from the Target port for the host I...

Page 45: ...channel adapter CHA mode host group and WWN for the external port is not supported When an external volume is mapped through that external port the setting operation of the topology is not available either LUN Expansion Consider the following for LUN Expansion LUSE The internal volume in the local storage system and the external volume cannot be combined to form a LUSE volume Do not combine LDEVs ...

Page 46: ...ring information about the external volumes Mapped volumes can be used for Volume Migration For a configuration example of Volume Migration see Volume Migration Operations TrueCopy and TrueCopy for IBM z OS Mapped volumes can be used for TrueCopy and for TrueCopy for IBM z OS For a configuration example of TrueCopy see TrueCopy Operations Universal Replicator and Universal Replicator for IBM z OS ...

Page 47: ...ons Dynamic Provisioning Mapped volumes can be used for Dynamic Provisioning Consider the following for Dynamic Provisioning Both internal and external volumes cannot be mixed in one pool All external volumes in the same pool must be in the same Cache Mode SNMP Agent Consider the following for SNMP Agent The information on the mapped external volume is displayed The information on the External por...

Page 48: ...the operation is as follows 1 Use Universal Volume Manager to map a volume in the external storage system as an internal volume of the local storage system For the case such as Figure 2 12 set the attributes of the mapped volume as follows Emulation type OPEN V Note To migrate the existing data in the mapped external volume to the local storage system volume using Volume Migration set the emulatio...

Page 49: ... 4 Migrate the existing data in the mapped external volume to the local storage system internal volume manually using Volume Migration Mapping Local Storage System External Storage System Source Volume Target Volume Migrating data in the mapped external volume source volume to the internal volume target volume manually using Volume Migration Internal volume Internal volume where the external volum...

Page 50: ...e emulation type for the mainframe system such as 3390 3 go on to the step 3 2 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal However the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operatio...

Page 51: ...e P VOL of the local storage system that is connected as MCU to the S VOL of the local storage system that is set as RCU The S VOL is a mapped external volume Local Storage System MCU TrueCopy P VOL TrueCopy S VOL RCU Target Port Initiator Port Internal volume Internal volume where the external volume is mapped External volume Legend Data copy direction Figure 2 13 Example of the TrueCopy Operatio...

Page 52: ...f you select the emulation type for the mainframe system such as 3390 3 go on to the step 3 2 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal However the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume form...

Page 53: ...al storage system that is connected as MCU to the S VOL of the local storage system that is set as RCU The S VOL is a mapped external volume Local Storage System MCU Universal Replicator P VOL Universal Replicator S VOL RCU Target Port Initiator Port Internal volume Internal volume where the external volume is mapped External volume Legend Data copy direction Figure 2 14 Example of the Universal R...

Page 54: ...90 3 go on to the step 3 2 If you set the emulation type for the open system when you map the volume the status of the mapped volume automatically becomes Normal However the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operation procedure see the Virtual LVI LUN and Volume Shred...

Page 55: ...stem External Storage System ShadowImage P VOL Copying data in the P VOL that is an internal volume of the local storage system to the S VOL that is a mapped external volume ShadowImage S VOL Internal volume Internal volume where the external volume is mapped External volume Legend Data copy direction Figure 2 15 Example of the ShadowImage Operation ...

Page 56: ...ver the volume formatting processing is not executed automatically If you need to format the mapped volume format the volume using the VLL function For the volume formatting operation procedure see the Virtual LVI LUN and Volume Shredder User s Guide 3 Create a pool and add the mapped external volume to that pool as a pool VOL 4 Set the P VOL and S VOL of the Copy on Write Snapshot pair with speci...

Page 57: ...er User s Guide Preparing for Universal Volume Manager Operations This chapter describes the requirements and preparations for Universal Volume Manager operations System Requirements Guidelines for Universal Volume Manager Operations Installing and Uninstalling Universal Volume Manager Starting Universal Volume Manager ...

Page 58: ...u must operate the Storage Navigator computer in Modify mode to perform Universal Volume Manager operations Users in View mode can only view Universal Volume Manager information License key for Universal Volume Manager program product You need a license key to install Universal Volume Manager Storage Systems Supported as External Storage Systems Supported storage systems that can be connected as t...

Page 59: ...stem paths will be Multi SANRISE Adaptable Modular Storage Displayed by Universal Volume Manager as AMS Path Mode of the cross subsystem paths will be Single SANRISE Workgroup Modular Storage Displayed by Universal Volume Manager as WMS Path Mode of the cross subsystem paths will be Single SANRISE 9900V series Displayed by Universal Volume Manager as 9970V and 9980V Path Mode of the cross subsyste...

Page 60: ...Volume Manager as 1024 and 128 Path Mode of the cross subsystem paths will be Multi XP512 XP48 Displayed by Universal Volume Manager as 512 and 48 Path Mode of the cross subsystem paths will be Multi XP256 Displayed by Universal Volume Manager as 256 Path Mode of the cross subsystem paths will be Multi SVS200 Displayed by Universal Volume Manager as SVS200 Path Mode of the cross subsystem paths wi...

Page 61: ...ing the number of external volumes which can be connected is as follows Number of external volumes Number of virtual volumes 63 232 Maximum number of mapping paths can be set for one external volume 8 Maximum capacity of an external volume 4 TB per external volume 8 589 934 592 blocks If you specify an external volume which is more than 4 TB you can access the data stored in the field up to 4 TB Y...

Page 62: ...e the external volume is mapped Make sure that the external volume which has been mapped as an internal volume is not accessed from the host that is connected to the external storage system Make sure that the external volume which has been mapped as an internal volume is not manipulated by copy function or some other functions of the external storage system Hosts can access the external storage sy...

Page 63: ...n Processing OLTP Not Recommended Not Recommended File Operation from Host Both of Read and Write OK Not Recommended File Operation from Host Mainly Read OK OK Backup OK Recommended Archive OK Recommended Table 3 4 When the Emulation Type of the External Volume is for Mainframe Application HDD Type FC SATA Database Online Transaction Processing OLTP Not Recommended Not Recommended System Volumes J...

Page 64: ...lume is mapped as internal volume s with the setting of the emulation type other than OPEN V the number of volumes and the volume capacity of the mapped external volume s depend on the capacity of the original external volume and the basic capacity of each emulation type When an external volume is mapped with the setting of emulation type other than OPEN V the data management information area is r...

Page 65: ...e 2 GB Area provided to store data management information Figure 3 3 When the External Volume Capacity is Smaller than the Basic Capacity of Specified Emulation Type Guidelines for Mainframe Volumes If you plan to use the mapped external volume from the mainframe OS e g the volume is mapped with the setting of 3390 x mainframe emulation type you need to select the external volume that consists of ...

Page 66: ...Cache Residency Manager operation is not available If you use the mapped external volume for the Cache Residency Manager operation and set the bind mode the cache of twice as much capacity as the user data is required for the Cache Residency Manager operation Creating LUSE Volume Guidelines Do not combine LDEVs of multiple external volumes to create a LUSE volume The LDEVs in the same external vol...

Page 67: ... system settings which require the re mapping of external volume are as follows Changing WWNs of target ports which connect to the local storage system Changing the serial number of the external storage system Changing LUNs of volumes of the external storage system Reducing the volume capacity of the external storage system so that the volume capacity is smaller than when volume mapping was perfor...

Page 68: ...rage system When you use an external volume from the host note the Path Blockade Watch time for the external volume If the Path Blockade Watch time is longer than the timeout period of the host command the commands from the host may possibly be timed out when the power supply is off or when an error occurs for the external storage system If the host I O is a significant concern make sure that the ...

Page 69: ...he desired storage system 2 Enable the Universal Volume Manager options on the Storage Navigator computer and on each storage system For detailed instructions see the Storage Navigator User s Guide Uninstalling Universal Volume Manager To uninstall Universal Volume Manager you must cancel all the pairs and then delete the external volume mapping To uninstall Universal Volume Manager 1 Start Storag...

Page 70: ...open the Storage Navigator main window For instructions see the Storage Navigator User s Guide 2 Click Go and then Universal Volume Manager on the menu bar of the Storage Navigator main window Names of the windows that you need for Universal Volume Manager operations are available in the submenu 3 Click the name of the window you want to display Universal Volume Manager starts up and the window yo...

Page 71: ... Manager GUI This chapter explains the Universal Volume Manager windows Universal Volume Manager involves the Volume Operation window the Path Operation window and the Port Operation window When you click the tab of the window name the window is switched to the corresponding window Volume Operation Window Path Operation Window Port Operation Window ...

Page 72: ...vigator main window Figure 4 1 Volume Operation Window The Volume Operation window consists of Volume Operation Tree left of the window The left pane of the window is composed of a tree and a drop down list which is used to switch the display of the tree The contents displayed in the list right of the window switch corresponding to the items selected in the tree Status Disable button or Status Ena...

Page 73: ...ubsystem Product name Path group Information about the external storage system The same contents are displayed when you click the product name in the tree Volume Operation List When Subsystem or Product Name is Clicked Subsystem Product name Path group Information about the external storage system The same contents are displayed when you click the Subsystem in the tree Subsystem Product name Path ...

Page 74: ...eration tree You can select Fibre from the drop down list as a PCB type Tree The following items are displayed in tree format The contents displayed in the list right of the window switch corresponding to the items clicked in this tree For details see Table 4 1 Subsystem The root node of the Volume Operation tree which is always displayed Product name of the external volume The product name of the...

Page 75: ...Volume Disconnects or reconnects the external volumes in the selected external storage system Subsystem Product name Path group Add Volume Auto Add Volume Manual The Volume Discovery is executed and all the external volumes found by the Volume Discovery are displayed in the following windows For the Add Volume Auto command Volume Operation window For the Add Volume Manual command Add Volume dialog...

Page 76: ...rmation dialog box Checking The processing of checking the mapping path status is in progress Cache Destage The writing processing of all the data in cache memory to the volume is in progress Disconnect Connecting to the external storage system or the external volume is intentionally stopped using the Disconnect Subsystem command or the Disconnect Volume command Information Area Information accord...

Page 77: ... sequential number of volume in the group The sequential numbers of volumes in the group are automatically assigned by Universal Volume Manager when the external volumes are mapped LDEV LDKC CU LDEV number which is assigned to the external volume When multiple LDEVs are created in the external volume the top LDEV number is displayed and is displayed at the end of the number LDKC Logical Disk Contr...

Page 78: ...re used to execute the I Os to the external volume distributing the work load Ext VOL Info information about the external volume When the external volume is an SATA drive of the TagmaStore AMS WMS storage system or the Thunder 9500V series storage system is displayed For the operation of the SATA drive follow the method of the TagmaStore AMS WMS or Thunder 9500V storage system Ext VOL Status statu...

Page 79: ...xternal volume Disconnect Volume Disconnects the selected external volume Check Paths Restore Volume Reconnects the selected external volume Change Cache Mode Changes the cache mode set to the selected external volume Inflow Control Allows you to select whether to stop writing to the cache memory when it is impossible to write to the selected external volume Right click a row in the Cross subsyste...

Page 80: ...anager windows the settings in the Preview dialog box are applied to the local storage system When the settings are applied the contents of the Preview dialog box disappear and the list of the Universal Volume Manager windows is displayed normally When you click Cancel on the Universal Volume Manager windows all the settings in the Preview dialog box are canceled When the settings in the Preview d...

Page 81: ... Volume Manager windows Operation Information Area The operation information on the settings displayed in the Preview dialog box is displayed in the operation information area Following information is displayed Operation name of the setting operation Total Number of Objects in Preview the number of settings displayed in the Preview dialog box Close button The Preview dialog box closes and returns ...

Page 82: ...gure 4 5 Path Operation Window The Path Operation window consists of Path Operation Tree left of the window The left pane of the window is composed of a tree and a drop down list which is used to switch the display of the tree The contents displayed in the list right of the window change corresponding to the items selected in the tree Status Disable button or Status Enable button upper right of th...

Page 83: ...isplayed in the list Reference Fibre Local Subsystem Subsystem Port number External ports of the local storage system Path Operation List When Subsystem is Clicked Subsystem Port number Cross subsystem paths which are set to the selected external ports of the local storage system The same contents are displayed when you click the WWN in the tree Path Operation List When Port or WWN is Clicked Fibr...

Page 84: ...list which is used to switch the display of the tree The Path Operation tree consists of Drop down list A drop down list to switch the items displayed in the Path Operation tree You can select which side to display the information on cross subsystem paths from Fibre Local Subsystem Displays ports in the local storage system Fibre External Subsystem Displays ports WWNs in the external storage syste...

Page 85: ...ath Operation List When Subsystem is Clicked When you click Subsystem in the Path Operation tree the external port information which is set to the local storage system is displayed in the list Figure 4 6 Path Operation List when Subsystem is Clicked The Path Operation list consists of Port The following items are displayed Port The external port of the local storage system One of the following ico...

Page 86: ...bsystem path is not retrieved yet Click Status Disable in the Path Operation window to display the status of the cross subsystem path Unknown The status of the cross subsystem path is unknown Blockade The cross subsystem path is blocked Disconnect Connecting to the external storage system or the external volume is intentionally stopped using the Disconnect Subsystem command or the Disconnect Volum...

Page 87: ...lume Path Watch The time from when the connection of all the cross subsystem paths to the external volume have been down to when the external volume is blocked Status Status of the cross subsystem path For the displayed statuses see Table 4 7 Pop up menu Right click a row in the Path Operation list to perform the following operations from the pop up menu Table 4 9 Pop up Menu in the Path Operation...

Page 88: ...sts of Cross subsystem Paths The following items are displayed Port external port in the local storage system WWN WWN indicating the target port in the external storage system Vendor vendor name of the external storage system Product Name product name of the external storage system Serial Number serial number of the external storage system Status Status of the cross subsystem path For the displaye...

Page 89: ...ft of the window The left pane of the window is composed of a tree and a drop down list which is used to switch the display of the tree The contents displayed in the list right of the window change corresponding to the items selected in the tree Port Operation List right of the window Information on the port is displayed corresponding to the items selected in the tree The list can be sorted by the...

Page 90: ...n Tree The Port Operation tree is a tree on the left side of the Port Operation window consisting of a tree and a drop down list which is used to switch the display of the tree The Port Operation tree consists of Drop down list A drop down list to change the items displayed in the Port Operation tree You can select Fibre from the drop down list as a PCB type Tree The ports in the local storage sys...

Page 91: ...the local storage system is displayed in the list The list can be sorted by the displayed items For instance if you want to sort the list in the order of port numbers click Port on the list The Port Operation list consists of Port Information The following items are displayed Port Port number One of the following icons is displayed on the left of each port Ports in the Standard mode Ports in the H...

Page 92: ...ight click a row in the Port Information to perform the following operations from the pop up menu Table 4 10 Pop up Menu in the Port Information Pop up menu Description Change to External Allows you to change the selected port attribute to external Change to Target Allows you to change the selected port attribute to target ...

Page 93: ...ng an External Volume Manually Setting the Cross subsystem Paths Checking the External Volume Details Turning On or Off the Storage System Disconnecting External Storage System or Disconnecting External Volume Checking Connection Status and Resuming External Volume Operation Stopping the Use of Paths to the External Volume Disconnect Paths Restoring the Paths to the External Volume Check Paths Cha...

Page 94: ...pe is set for the mapped volume for the Open system or the Mainframe system Perform one of the following operation using Virtual LVI LUN VLL Format the volume Perform the Write to Control Blocks operation For Mainframe For Open Figure 5 1 Operations of Making External Volumes Usable from a Host The outlined procedure of the making the external volumes usable from a host is as follows 1 Prepare a v...

Page 95: ...e system For detailed information refer to the documents for the external storage system you use To set the port of the external storage system 1 Set the topology information according to the configuration of the connection 2 According to the configuration set the data transfer speed 3 Set the system parameters See Connecting External Storage Systems to set the system parameters for the external s...

Page 96: ...he Fabric to Enable When the switch is not connected set the Fabric to Disable and set FC AL Set the Connection according to the configuration of the actual connection For detailed information on setting the topology information see the LUN Manager User s Guide 8 According to the configuration set the data transfer speed For the data transfer speed select Auto Negotiation setting Note When you con...

Page 97: ...e Auto in the pop up menu and click the desired mapping policy in the submenu When you click the Subsystem in the Volume Operation tree the Configure Cross subsystem Paths dialog box is displayed Go on to step 5 When you click the path group in the Volume Operation tree the Volume Discovery is executed and all the external volumes found by the Volume Discovery are displayed in blue italics in the ...

Page 98: ...group and add external volumes to the new path group Path group Allows you to add external volumes to the existing path group 4 Click Add Volume Manual in the pop up menu and click the desired mapping policy in the submenu When you click the Subsystem in the Volume Operation tree the Configure Cross subsystem Paths dialog box is displayed Go on to step 5 When you click the path group in the Volume...

Page 99: ...the subsequent LDEV number The LDEV Mapping Manual command Allows you to specify the LDEV number to all the LDEVs in the external volume Both commands allow you to specify the interval between LDEV numbers When you close the dialog box the Add Volume dialog box is displayed 9 In the Add Volume dialog box make the settings to all the volumes you want to map repeat step 7 and step 8 Note Delete the ...

Page 100: ... external volume parameter or LDEV number which are configured to the LDEVs in the external volume The Add Volume dialog box is automatically displayed when you click the Add Volume Manual command in the Volume Operation window The Add Volume dialog box displays the list of the external volumes which can be mapped to the local storage system If you want to map the external volume you need to confi...

Page 101: ...e is impossible Path Mode indicates how the cross subsystem paths work Device product name reported to the host by the external volume Ext VOL Info information about the external volume Capacity blocks capacity of the external volume in Blocks Characteristic2 extended identification number of the external volume OK button Saves the settings and closes the dialog box Cancel button Cancels the setti...

Page 102: ... You need to specify the number using decimal numbers from 1 to 16384 E displayed outside of the text box is the capital letter of the external volume group Emulation Type You can select the emulation type of the mapped external volume from the drop down list If you want to map the external volume as an open system volume you need to first decide the emulation type for the mapped volume OPEN V or ...

Page 103: ... the external storage system regardless of the Cache Mode setting If you set Disable the bind mode of Cache Residency Manager cannot be set Inflow Control Inflow Control specifies if the writing operation to the cache memory is stopped Enable or continued Disable when the writing operation to the external volume is impossible CLPR When the cache memory is partitioned using Virtual Partition Manage...

Page 104: ...ect the Unlimited By default the Limited is selected LDKC drop down list You can select the LDKC number of the local storage system to which you want to map the external volume CU drop down list You can select the CU number of the local storage system to which you want to map the external volume When you select Limited in the SLPR Limited the selection range is limited to CU which belongs to the S...

Page 105: ...lect a cell for the internal volume on the LDEV map the selected cell turns to blue and the LDEV number which the cell indicates is defined to the LDEV The defined internal volume is grayed out and undefined internal volumes to be mapped are displayed in white OK button Saves the settings and closes the dialog box Cancel button Cancels the settings and closes the dialog box Pop up menu This dialog...

Page 106: ...ign an LDEV number to an LDEV select one or more external volume whose LDEV number is in the LDKC CU LDEV and select one cell in the LDEV map When you select two or more external volumes in the LDKC CU LDEV the other cells are automatically added to match the number of external volumes that you previously selected in the LDKC CU LDEV When Interval is set mapping is performed in intervals of that n...

Page 107: ...he Set SSID dialog box If you do not select the SLPR Limited check box you can set the SSID from all the unused SSIDs regardless of the selected SLPR number List LDEV Boundary The range of LDEVs in the selected external volume is displayed SSID The SSIDs allocated to each LDEV are displayed If SSID is not set is displayed OK button Saves the settings and closes the dialog box Cancel button Cancels...

Page 108: ...map two external volumes which have the same emulation type and create two LDEVs in each external volume To assign the number starting with 00 01 01 with 255 intervals to total four LDEVs that you created 1 Select the two external volumes and right click them in the Add Volume dialog box and then click the LDEV Mapping Auto in the pop up menu The LDEV Mapping Auto dialog box is displayed 2 Configu...

Page 109: ...he LDEV to which you want to assign an LDEV number in the LDKC CU LDEV column on the left of the LDEV Mapping Manual dialog box 3 Select the desired LDKC number and the desired CU number to the specified LDEV from the drop down list on the right of the LDEV Mapping Manual dialog box 4 Click the cell of the desired LDEV number in the LDEV map on the right of the LDEV Mapping Manual dialog box The s...

Page 110: ...y the starting LDEV number at step 3 and 4 You can set Interval if necessary Setting the Cross subsystem Paths You need to configure the cross subsystem path from the internal volume to the external volume before using the external volume mapped as an internal volume You can configure the cross subsystem path when you map the external volume as the internal volume You can also add or change the cr...

Page 111: ...m paths This dialog box is automatically displayed when you add a volume to a new path group using the Add Volume Auto command or the Add Volume Manual command You can also open this dialog box by clicking the Configure Cross subsystem Paths command in the Volume Operation window You can change the priority add and delete the cross subsystem path in the Configure Cross subsystem Paths dialog box T...

Page 112: ...h port Port external port of the local storage system One of the following icons is displayed Ports in the Standard mode Ports in the Initiator External MIX mode The right pane displays WWN of the external storage system that the port attribute is set to Target The WWN which connects to the port that you clicked in the middle pane is displayed out of the WWN of the external storage system which yo...

Page 113: ...ort attribute is set to Target OK button Saves the settings and closes the dialog box Cancel button Cancels the settings and closes the dialog box Pop up Menu Right click a row in the Configure Cross subsystem Paths dialog box to perform the following operations from the pop up menu Table 5 2 Pop up Menu in the Configure Cross Subsystem Paths dialog box Right clicked Area Pop up Menu Description W...

Page 114: ...tem path WWN Click the WWN of the external storage system which is the ending point of the cross subsystem path Note When the external storage system or the WWN that you want to choose is not displayed in the dialog box you can update the information by clicking the Port Discovery button selecting the port which connects to the WWN and then clicking OK 7 Click Add in the pop up menu The cross subs...

Page 115: ... raising the priority of the cross subsystem path 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Click the path group to which the cross subsystem path belongs in the Volume Operation tree 4 Right click the cross subsystem path in Cross subsystem Paths in the Volume Operation list 5 Click Configure Cross subsystem Paths in the ...

Page 116: ...subsystem Paths dialog box To cancel the cross subsystem path configuration 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Click the path group to which the cross subsystem path belongs in the Volume Operation tree 4 Right click the cross subsystem path in Cross subsystem Paths in the Volume Operation list 5 Click Configure Cro...

Page 117: ...ly has to be configured In this case you need to delete the cross subsystem path A and add the cross subsystem path C and then apply the setting After that you need to delete the cross subsystem path B and add the cross subsystem path D Legend Internal volume where external volume is mapped Internal Volume External Volume A B C D Cross subsystem path whose status is Normal Cross subsystem path who...

Page 118: ...he cable which the cross subsystem path B uses and connect the cable which the cross subsystem path D uses 8 Cancel the configuration of the cross subsystem path B and add the cross subsystem path D 9 Click Apply to apply the settings of the cross subsystem paths B and D 10 Make sure the status of the cross subsystem path D is Normal Checking the External Volume Details You can check the details o...

Page 119: ...KC CU LDEV The LDKC CU LDEV number of the LDEVs created in the external volume Emulation Type The emulation type of the external volume set when it was mapped Capacity Capacity of the external volume is displayed When the emulation type of the mapped external volume is for the open system the capacity is displayed in Blocks When the emulation type of the mapped external volume is for the mainframe...

Page 120: ... external storage system WWN Identification number of the port in the external storage system LUN LU number set to the external volume Status Status of the mapping path Table 5 3 lists and describes the status terms that are displayed on the Mapping Path Information dialog box Close button Close the Mapping Path Information dialog box Pop up menu The Mapping Path Information dialog box does not ha...

Page 121: ...und Internal error The program error occurred Or there is a logical contradiction Timeout The processing was retried because an abnormal reply was returned however the processing has been timed out Standby The port of the external storage system is standing by The port status is normal but cannot receive I O Target error Port failures such as controller blockade are detected on the external storag...

Page 122: ...stem you first need turn off the local storage system and then turn off the external storage system When you want to turn on both the local storage system and the external storage system you first need to turn on the external storage system and then turn on the local storage system Commands for Turning On or Off Only the External Storage System When you turn on or off the power supply of only exte...

Page 123: ...the whole storage system and for the individual volume If an error occurs in the path firstly remove the error in the path to make the path restorable and then execute the Check Paths Restore Volume command Note When the Check Paths Restore Volume command is executed and the external volume is ready to be restored as the mapped volume the external volume is set to accept the I Os and you can resum...

Page 124: ...It is necessary to execute the Check Paths Restore Volume command to resume using the mapped external volume The Check Paths Restore Volume command checks the defined information and the actual status of the external volume mapped as an internal volume If the external volume is ready to be used as a mapped volume the volume is set to accept the I Os and you can resume using the volume as a mapped ...

Page 125: ... volume is set to accept the I Os and you can resume using the volume as a mapped volume When the Disconnect Subsystem command or the Disconnect Volume command is executed and all the data in the cache memory is written to the external volume the displayed information for Ext VOL Status in the Volume Operation window becomes Disconnect Turning On or Off Both Storage Systems This section explains h...

Page 126: ...ould be started Disconnecting External Storage System or Disconnecting External Volume The Disconnect Subsystem command and the Disconnect Volume command allow you to disconnect the external volume You need to disconnect the external volume s for example before you turn the power supply off of the local storage system or the external storage system for maintenance or before you delete the external...

Page 127: ...airs However you can disconnect external volumes without deleting pairs when the ShadowImage pair status is PSUE or when the ShadowImage for IBM z OS pair status is Suspend The external volume includes the LDEVs that are registered to a pool for Copy on Write Snapshot as pool volumes Change the status of the Copy on Write Snapshot pair to PAIR The external volume includes the LDEVs that are regist...

Page 128: ...d information for Ext VOL Status in the Volume Operation window becomes Disconnect Disconnecting All External Volumes Disconnect Subsystem To disconnect all the external volumes in the external storage system at once 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Right click the product name that you want to disconnect in the V...

Page 129: ...ng cases The Check Paths Restore Volume command is required to be executed to resume using the disconnected external volume using the Disconnect Subsystem command or the Disconnect Volume command When the errors occur in all the cross subsystem paths the local storage system makes the status of external volume to Blockade In this case execute the Check Paths Restore Volume command If the status of...

Page 130: ... 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Right click the product name that you want to resume connection in the Volume Operation tree 4 Click Check Paths Restore Volume in the pop up menu The settings are displayed in blue and italics 5 Verify the settings in the Preview dialog box 6 Click Apply in the Volume Operation w...

Page 131: ...mand Note The Disconnect Paths command is not for the actual disconnection of the cross subsystem path to the external volume You need to confirm that some normal cross subsystem paths to the external volume is set other than the cross subsystem path for which you plan to execute the Disconnect Paths command To stop the use of the paths to the external volume 1 Start Storage Navigator and open the...

Page 132: ...lect one of the following from the drop down list above the Path Operation tree Fibre Local Subsystem Displays the ports in the local storage system Select Fibre Local Subsystem to restore all the cross subsystem paths connected to the specified port in the local storage system Fibre External Subsystem Displays the WWNs in the external storage system Select Fibre External Subsystem to restore all ...

Page 133: ...mode from Enable to Disable To change the cache mode to Disable cancel the setting for Cache Residency Manager or change the cache residency mode to the priority mode Whether the volume is not registered to a pool When a volume is registered to a pool as a pool volume the cache mode setting should be the same among all the pool volumes in the pool Whether the volume is not a remote command device ...

Page 134: ...nd italics 6 Verify the settings in the Preview dialog box 7 Click Apply in the Volume Operation window The settings are applied to the local storage system and the Volume Operation window is displayed normally When an error occurs an error message is displayed Verify the details in the Preview dialog box Changing the Port Setting of the External Storage System You can change the setting of the po...

Page 135: ...y When an error occurs an error message is displayed Verify the details in the Preview dialog box Change WWN Parameter Dialog Box Figure 5 15 Change WWN Parameter Dialog Box The Change WWN Parameter dialog box consists of QDepth 2 128 The number of Read Write commands which can be issued queued to the external volume at a time The value that can be set are from 2 to 128 The default value is 8 I O ...

Page 136: ...olicy in the pop up menu The Edit Policy dialog box is displayed 5 Click Default Policy in the Pattern 6 Edit the settings in the Policy 7 Click Close to close the Edit Policy dialog box The mapping policy is changed and then the Volume Operation window is displayed Edit Policy Dialog Box The Edit Policy dialog box allows you to edit the mapping policy Figure 5 16 Edit Policy Dialog Box The Edit P...

Page 137: ...l port which you specify Disable If you set Enable Port Discovery is automatically executed before the Configure Cross subsystem Paths dialog box is displayed Close button Close the Edit Policy dialog box Pop up menu The Edit Policy dialog box does not have a pop up menu that can be displayed Deleting the External Volume Mapping You can start the operation of deleting the external volume mapping f...

Page 138: ...olume is set as the reserved volume for ShadowImage or Volume Migration you cannot delete the external volume mapping Whether the volume is set as a pool VOL When the volume is set as a pool VOL you cannot delete the external volume mapping To delete the external volume mapping 1 Start Storage Navigator and open the Volume Operation window 2 Make sure that Storage Navigator is in Modify mode 3 Cli...

Page 139: ... you want to cancel the operation As you click OK the setting is applied to the local storage system and the external volume where the mapping is deleted is removed from the Volume Operation list Note As you click OK the Delete Volume operation will be performed however the data in the cache memory that is not written to the volume is not guaranteed When an error occurs an error message is display...

Page 140: ...5 48 Performing Universal Volume Manager Operations Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

Page 141: ...nal volumes at a time using the spreadsheets shortens the operation time compared to when using the GUI You can import the spreadsheets directly to the storage system using the Storage Navigator command line interface CLI The following figure describes the work flow when you use spreadsheets Prepare for using Storage Navigator CLI Write spreadsheets Save the configurations in spreadsheets Has any ...

Page 142: ...ten in the format below Multiple operation tags and parameters can be written in a spreadsheet Version Version number Program product Type Operation tag Parameter Italic indicates variables that should be changed according to program products or operations The following table shows how you should write these elements Table 6 1 Contents of a Spreadsheet Element Content Version number See Available ...

Page 143: ...ite a spreadsheet if you make a copy of the provided templates and then modify the copy For information about the location of the templates see the Storage Navigator User s Guide Saving Storage System Information You can save the storage system information in files by specifying a spreadsheet when you execute the CFLGET command using the Storage Navigator CLI The storage system information will be...

Page 144: ...he external volume groups configured to the local storage system will be saved in files ExternalGroup GET_ALL The following table shows the information that will be saved in a file when the ExternalGroup tag is written in a spreadsheet Table 6 4 Information Saved when the ExternalGroup Tag is Written Column in Spreadsheet Item Content A ExG External volume group number and its sequential number Ma...

Page 145: ...me E Device Name of the storage system that is reported to the host by the external volume F Attribute Normal This volume is an external volume R CMD This volume is a remote command device G CacheMode Enable Cache mode is set to Enable Disable Cache mode is set to Disable H InflowControl Enable Inflow control is set to Enable Disable Inflow control is set to Disable I PathMode Single The cross sub...

Page 146: ...cture by using the identifier The following table shows the structure and identifier of the parameters that can be set for the AddVolumeSetting tag Table 6 6 Structure and Identifier of AddVolumeSetting Tag Parameters Layer Identifier Content Description The first layer None Information about external volumes and the primary path This layer is required The second layer Information about alternate ...

Page 147: ...G External volume group number and its sequential number The format should be EGrp VPG for example E16384 4096 GrP 1 to 16384 VPG 1 to 4096 GrP 5 decimal digits or less VPG 4 decimal digits or less F Attribute Normal Maps an external volume R CMD Maps a command device Normal R CMD N A G CLPR CLPR that is used to access the external volume 0 to 31 2 decimal digits or less H Emulation Emulation type...

Page 148: ...0 to FE 2 hexadecim al digits or less E LDEV LDEV number Specify the LDEV number that is not assigned to any volume However an unassigned LDEV number cannot be specified if other LDEVs in the same area grouped by 32 LDEV numbers are already assigned to a different emulation group For details on emulation groups see the Virtual LVI LUN Volume Shredder User s Guide To see whether the LDEV number can...

Page 149: ...d by subtracting the control information area capacity from the capacity of the external volume In this case one LDEV will be created in the external volume Also make sure that the capacity of the external volume is greater than or equal to the capacity that is the sum of the total capacity of all the LDEVs in the external volume and the control information area capacity For details on the values ...

Page 150: ...follows The primary path Port number on the local storage system 1A WWN on the external storage system 60060E8004F81370 The alternate path Port number on the local storage system 1B WWN on the external storage system 60060E8004F81371 Attributes of an external volume are configured as follows Emulation type OPEN V Cache mode Enable Inflow control Disable CLPR 00 LDEVs are configured as follows Numb...

Page 151: ...ume Manager User s Guide Remote Command Devices This chapter describes remote command devices Overview of Remote Command Devices Guidelines for Remote Command Devices Mapping a Command Device as a Remote Command Device Using TrueCopy or Universal Replicator with Remote Command Device ...

Page 152: ... sends the CCI commands of ShadowImage or TrueCopy to the remote command device and this means that the commands are entered to the command device in the external storage system to operate the ShadowImage pair or the TrueCopy pair in the external storage system For detailed information about CCI and the command device see the Command Control Interface User and Reference Guide Open system Host CCI ...

Page 153: ...VM TagmaStore Universal Storage Platform TagmaStore Network Storage Controller TagmaStore Adaptable Modular Storage TagmaStore Workgroup Modular Storage Lightning 9900V series Thunder 9500V series SANRISE Universal Storage Platform SANRISE Network Storage Controller SANRISE Adaptable Modular Storage SANRISE Workgroup Modular Storage SANRISE9900V series SANRISE9500V series H24000 H20000 SANRISE H12...

Page 154: ...00 XP12000 XP10000 XP1024 XP128 Format Emulation Type CM Example OPEN V CM OPEN 3 CM TagmaStore Adaptable Modular Storage TagmaStore Workgroup Modular Storage Thunder 9500V series SANRISE Adaptable Modular Storage SANRISE Workgroup Modular Storage SANRISE9500V series DF600F CM If you access the remote command device from an OPEN host the device information that is reported by the remote command de...

Page 155: ...mote command device cannot be identified by the Port Discovery or Volume Discovery of Universal Volume Manager When an external storage system A has a remote command device B that is when a command device in another external storage system C is mapped to this external storage system A make sure that the remote command device B does not have the smallest LUN on the port in the external storage syst...

Page 156: ...device However if you set the Initiator External MIX mode you will be able to use a port as both initiator port for TrueCopy or Universal Replicator and external port only for the remote command device Before you set the Initiator External MIX mode you need to prepare initiator ports and external ports in one port block of the Standard mode You can set the Initiator External MIX mode on the port b...

Page 157: ...e of using TrueCopy or Universal Replicator with remote command device The System 1 functions as MCU of TrueCopy or Universal Replicator and at the same time it functions as the local storage system of the remote command device the System 2 functions as RCU of TrueCopy or Universal Replicator and at the same time it functions as the external storage system of the remote command device In this case...

Page 158: ...sing TrueCopy or Universal Replicator with Remote Command Device Procedure to Use Initiator External MIX Mode This section describes the procedure to use the Initiator External MIX mode and the procedure to stop using the Initiator External MIX mode To use the Initiator External MIX mode 1 Prepare the initiator ports of the Standard mode and external ports of the Standard mode in one port block Fo...

Page 159: ...the port block from the Initiator External MIX mode to the Standard mode For procedure to change the setting of the port block see the LUN Manager User s Guide Restrictions on Initiator External MIX Mode The restrictions on the Initiator External MIX mode are as follows The restrictions on the High Speed mode are also restrictions on the Initiator External MIX mode For the restrictions on the High...

Page 160: ...7 10 Remote Command Devices Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

Page 161: ...i Universal Storage Platform V VM Universal Volume Manager User s Guide Troubleshooting This chapter provides troubleshooting information for Universal Volume Manager Troubleshooting Calling the Hitachi Data Systems Support Center ...

Page 162: ...for the error could be as follows The number of mapped volumes exceeds the maximum number 63 232 available for the local storage system There are not enough LDKC CU LDEV numbers available for external volume mapping The path to the external volume is blocked 1 The factors listed in the first row of Table 8 1 Error The Storage Navigator computer cannot access to the external volume could also be th...

Page 163: ...e system is being formatted Reaction The path cannot be used to access the external storage system Check the status of the external storage system If you cannot restore the path call the Hitachi Data Systems Support Center Illegal request Status The reply of the external storage system was ILLEGALREQUEST The command cannot be executed to the device of the external storage system The data protectio...

Page 164: ...tem cannot be found There is a problem with connection to the external storage system The following are possible causes The fibre cable is not physically connected in the proper way The setting of the topology does not match between the external port and the target port Because the security is set on the port the device of the external storage system cannot be recognized from the local storage sys...

Page 165: ...nd retry the operation The reason for the error could be as follows Storage Navigator is not in the Modify mode Port of the local storage system and the port of the external storage system are not connected Port security is set on the external storage system The device in the external storage system is not in the Normal status External storage system is not connected to the port set to External of...

Page 166: ...check the device status again When the transition of the device status has completed normally the device can be used immediately If the device is blocked as a result of the device status transition see the error description The external volume is blocked in Table 8 1 for the corrective action The message of DEVICE ERROR is issued to the mainframe host as the device status See the error description...

Page 167: ... WMS storage system to the fixed value according to the data transfer speed of the external port Table A 1 System Parameter Settings AMS WMS Window Names Parameters Parameter Settings Start Attribute Single Mode Specify this parameter when AMS WMS storage system is in the one controller configuration Dual Active Mode Specify this parameter when AMS WMS storage system is in the two controller confi...

Page 168: ...eter Host Connection Mode 1 Set this parameter to Standard Mode Host Connection Mode Host Connection Mode 2 Do not specify any parameters Note Do not specify HISUP OFF mode either Note You can either specify or omit any other parameters Relationship between Serial Number and AMS WMS Model When the external storage system is TagmaStore AMS or WMS you can identify the storage system model from the s...

Page 169: ...WN of port and controller Table A 3 Relationship between WWN of Port and Controller AMS WMS Model Controller WWN of Port Controller 0 XXXXXXXXXXXXXXX0 AMS 200 WMS 100 Controller 1 XXXXXXXXXXXXXXX1 Controller 0 XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 AMS 500 Controller 1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 Controller 0 XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 AMS 1000 Controller ...

Page 170: ...tion Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or Response error The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy or some other copy program If the volume is set as a pair volume the volume may be protected because of the pa...

Page 171: ... omit specifying this parameter OPTION 1 SCSI Fibre Channel Common Options You can either specify this parameter or omit specifying this parameter OPTION 2 SCSI Fibre Channel Common Options You can either specify this parameter or omit specifying this parameter Data Striping Operation if the processor failure occurs Specify this parameter to Reset of occurred Command Queuing Mode Specify this para...

Page 172: ... the information about the SATA drive may not be displayed correctly For Thunder 9530V Thunder 9520V Thunder 9570V version 0658 or later For Thunder 9580V Thunder 9585V version 1658 or later Relationship between Serial Number and 9500V Model When the external storage system is Thunder 9500V storage system you can identify the storage system model from the serial number displayed in the Serial Numb...

Page 173: ... and Controller 9500V Model Controller WWN of Port Controller 0 XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 9570V 9530V 9520V Controller 1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 Controller 0 XXXXXXXXXXXXXXX0 XXXXXXXXXXXXXXX1 XXXXXXXXXXXXXXX2 XXXXXXXXXXXXXXX3 9580V 9585V Controller 1 XXXXXXXXXXXXXXX4 XXXXXXXXXXXXXXX5 XXXXXXXXXXXXXXX6 XXXXXXXXXXXXXXX7 Note In WWNs X is an arbitrary number or character The ports in...

Page 174: ...f the volume is protected by the access attribute release the protection Illegal request or Response error The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When the volume is protected change the pair ...

Page 175: ...he Add Volume operation again The access attribute of the volume may have been changed by Data Retention Utility Check the access attribute of the volume If the volume is protected by the access attribute release the protection Illegal request or Response error The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of ShadowImage TrueCopy Universal ...

Page 176: ...store the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 10 Path Status and Examples of Recovery Procedure USP NSC Path Status Examples of Recovery Procedure External device setting changed Settings of the LU paths may have been changed by LUN Manager Check the settings of the LU paths If the settings of the LU paths have been changed ...

Page 177: ...stem side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Systems Support Center Table A 11 Path Status and Examples of Recovery Procedure 9900V Path Status Examples of Recovery Procedure External device setting changed Se...

Page 178: ...r the RCU target port Path Status and Examples of Recovery Procedure 9900 This section describes errors that require recovery operation on the external storage system side when the path status is not normal When the path status is not normal see the following table to recover the path status If you cannot restore the path call the Hitachi Data Systems Support Center see Calling the Hitachi Data Sy...

Page 179: ...is set remove the setting of the LUN security SVS200 Storage System When you connect a SVS200 storage system as the external storage system you need to set the port to the host group for the Windows hosts host mode 0C Windows host mode 2C Windows Extension Also the port attribute must be the target port or the RCU target port Note If you are using the microcode that does not support the SVS200 sto...

Page 180: ...olume is protected by the access attribute release the protection Illegal request or Response error The volume may have been set as a pair volume for data copy Check if the volume is set as a pair volume of Business Copy XP Continuous Access XP Continuous Access XP Journal or some other copy program If the volume is set as a pair volume the volume may be protected because of the pair status When t...

Page 181: ...orage system is an EVA storage system LUNs are displayed as Characteristic 1 in the Universal Volume Manager windows If you search for the logical volumes specifying the WWN indicating the EVA Port A in the configuration such as Figure A 1 the logical volumes named LUN 1 and LUN 2 are found for each of HostGroup 1 and HostGroup 2 In this case two different logical volumes that have the same name s...

Page 182: ...tGroup 1 HostGroup 2 World Wide LUN Name 600508b4 001028cb 00005000 011d0000 EVA Port A EVA Port B World Wide LUN Name 600508b4 001028cb 00005000 01200000 World Wide LUN Name 600508b4 001028cb 00005000 01230000 World Wide LUN Name 600508b4 001028cb 00005000 012c0000 Local Storage System Figure A 1 Configuration Example for which Logical Volumes Cannot be Identified only by Characteristic ...

Page 183: ...a result of changing the microprogram version If the behavior of the alternate path changes perform the Delete Volume operation of Universal Volume Manager to release the setting of mapping the EVA storage system volume before you actually replace the microprogram Refer to the EVA storage system documentation for how the behavior of the alternate path changes System Parameter Settings for Connecti...

Page 184: ...type Windows Non clustered DMP Support System Parameter Settings for Connecting Sun StorageTek 2540 When you connect a Sun StorageTek 2540 as an external storage system set the system parameters of the Sun StorageTek 2540 according to the following table For the system parameters that are not in the following table refer to the documentation of the Sun StorageTek 2540 and set the parameters approp...

Page 185: ...ttings for Connecting IBM DS4000 Series When you connect an IBM DS4000 series as an external storage system set the system parameters of the IBM DS4000 series according to the following table For the system parameters that are not in the following table refer to the documentation of the IBM DS4000 series and set the parameters appropriately for the connecting configuration Table A 19 System Parame...

Page 186: ...A 20 Connecting External Storage Systems Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

Page 187: ...e data area capacity and the capacity of the control information area called control information area capacity depend on the emulation type The minimum capacity of data area for Custom sized Volume CV called minimum data area capacity also depends on the emulation type For detailed information about the LDEV capacity for each emulation type see Table B 2 You can calculate the minimum capacity requ...

Page 188: ...mulation type because the VLL function is not applicable to the OPEN L emulation type When the capacity of the mapped external volume is more than the maximum capacity of the specified emulation type a certain part of external volume cannot be used Table B 1 shows the maximum usable capacity of the external volume of each emulation type For detailed information about the volume capacity for each e...

Page 189: ... volume is mapped with OPEN 3 emulation type 800 000 000 Blocks of the volume cannot be used because the maximum volume of the OPEN 3 is 1 610 612 640 Blocks And 1 320 480 Blocks of the mapped external volume becomes the free space because the maximum number of LDEVs of base capacity that can be defined with the OPEN 3 emulation type is 334 The free space can be used if you set it using the VLL fu...

Page 190: ... LDEVs that can be defined for the external volume with maximum capacity are listed in the Table B 3 For the OPEN L emulation type the base LDEV capacity and the minimum LDEV capacity are the same because CVs cannot be created For the OPEN V emulation type the base LDEV capacity is not listed because there is no concept of the base LDEV capacity Table B 2 LDEV Capacity Information for Each Emulati...

Page 191: ...72 000 14 351 040 38 880 OPEN 9 72 000 14 423 040 38 880 OPEN E 72 000 28 452 960 27 360 OPEN L 71 192 16 0 71 192 160 10 080 OPEN V 96 000 0 Table B 3 Volume Capacity Information on Each Emulation Type Emulation Type Base LDEV Capacity Minimum LDEV Capacity Maximum Capacity of External Volume Blocks Cylinders Blocks Cylinders Blocks Cylinders Maximum Number of LDEVs 3380 3 4 818 240 3 346 82 080 ...

Page 192: ...0 042 130 500 75 1 946 156 94 0 1 118 481 111 3390 9C 17 473 08 0 10 042 130 500 75 1 946 156 94 0 1 118 481 111 3390 L 57 042 42 0 32 783 127 020 73 1 946 156 94 0 1 118 481 34 3390 LA 57 042 42 0 32 783 127 020 73 1 946 156 94 0 1 118 481 34 3390 LB 57 042 42 0 32 783 127 020 73 1 946 156 94 0 1 118 481 34 3390 LC 57 042 42 0 32 783 127 020 73 1 946 156 94 0 1 118 481 34 3390 M 114 097 0 20 65 5...

Page 193: ...me Capacity for each Emulation Type B 7 Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide This number refers to the number of LDEVs when an external volume with maximum capacity is mapped ...

Page 194: ...B 8 Required Volume Capacity for each Emulation Type Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

Page 195: ... see Figure C 1 To adjust the capacity of the USP V VM volume to create a pair 1 Map the external volume A as an internal volume B of the local storage system Make sure that the emulation type of the volume is OPEN V 2 Select the USP V VM volume C which has the same capacity as the mapped external volume B or which has the bigger capacity than the mapped external volume B The emulation type of the...

Page 196: ...capacity in Blocks In this case you cannot create a TrueCopy pair 4 Create a pair Select a volume that has the same capacity as volume B or select a volume that has the bigger capacity than the volume B Make CV that has the same capacity as the volume B if you have selected volume C that is bigger than the volume B External Volume A Mapped External Volume B Copy Destination Volume C Create Pair St...

Page 197: ...ternal volume B is not same as the copy source volume C use the VLL function to create a CV that has the same capacity as the copy source volume C out of the volume B 3 Create a pair Make CV that has the same capacity as the volume C using the VLL function External Volume A Copy Source Volume Create Pair Mapped External Volume B Step1 Step 3 Step 2 Figure C 2 Copying Data to External Storage Syste...

Page 198: ...C 4 Adjusting Volume Capacities for Pairs Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

Page 199: ...ion for Storage Capacity Values HDD hard disk drive IBM International Business Machines KB kilobyte see Convention for Storage Capacity Values LDEV logical device LDKC logical disk controller LU logical unit LUN logical unit number MB megabyte see Convention for Storage Capacity Values MCU main control unit MIH missing interrupt handler OEM original equipment manufacturer OLTR online transaction p...

Page 200: ...r User s Guide SSID storage subsystem ID SVP service processor SVS Storage Virtualization System S VOL secondary volume TB terabyte see Convention for Storage Capacity Values USP Universal Storage Platform VDEV virtual device VLL Virtual LVI LUN VMA volume management area VOL volume WWN World Wide Name ...

Page 201: ...e volumes 2 19 mapping 2 2 Mode cross subsystem path 2 11 multi 2 11 single 2 11 O operation tags AddVolumeSetting 6 8 ExternalGroup 6 6 MappedVolume 6 7 SSID 6 6 P Path Operation Window 4 12 Port Operation Tree 4 20 Port Operation Window 4 19 Preview 4 10 R RCU Target 4 21 S spreadsheets example 6 11 mapping external volumes 6 8 operation tags 6 5 saving storage system information 6 6 types 6 5 S...

Page 202: ...Index 2 Index Hitachi Universal Storage Platform V VM Universal Volume Manager User s Guide ...

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Page 205: ...5050 2627 U S A Phone 1 408 970 1000 www hds com info hds com Asia Pacific and Americas 750 Central Expressway Santa Clara California 95050 2627 U S A Phone 1 408 970 1000 info hds com Europe Headquarters Sefton Park Stoke Poges Buckinghamshire SL2 4HD United Kingdom Phone 44 0 1753 618000 info eu hds com ...

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