HP XP7 Page 436 User Manual Download

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Description

Item

Displays names of LDEVs.

LDEV Name

Displays the number of paths set for the relevant LDEV.

Number of Paths

Displays the status of the host-reserved LUN.

Host-Reserved Status

•

Open Reserved: LUN is reserved by the Open Reserved command.

•

Persistent Reserved: LUN is reserved by the Persistent Group Reserve
command.

•

Mainframe Reserved: LUN is reserved by the mainframe system.

•

ACA Active: LUN is in the ACA active status.

View Login WWN Statuses window

Description

Item

Displays names of ports.

Port ID

Displays the HBA WWNs and their icons.

HBA WWN

Displays the names of hosts.

Host Name

Displays the names of host groups.

Host Group Name

Displays the host login status (Logged In or Logged Out).

Status

436 LUN Manager GUI reference

Summary of Contents for XP7

Page 1: ...to configure and perform operations on HP XP7 Storage systems Provisioning software includes Thin Provisioning Smart Tiers LUN Manager Virtual LUN and Data Retention Please read this document carefully to understand how to use these products and maintain a copy for your reference HP Part Number H6F56 96077 Published January 2015 Edition Fifth ...

Page 2: ...r omissions contained herein Acknowledgments Intel Itanium Pentium Intel Inside and the Intel Inside logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries Microsoft Windows Windows XP and Windows NT are U S registered trademarks of Microsoft Corporation Adobe and Acrobat are trademarks of Adobe Systems Incorporated Java and O...

Page 3: ...gement device 23 Calculating the number of cache management devices required by a volume that is not a THP V VOL 23 Viewing the number of cache management devices 23 2 Managing Virtual Storage Machine Resources 24 About virtual storage machines and virtualized resources 24 Provisioning operations for resources in a virtual storage machine 25 Pair operations with virtual storage machine pairs 25 Pr...

Page 4: ...lume size CV capacity unit is MB 47 Calculating OPEN V volume size CV capacity unit is blocks 47 Calculating fixed size open systems volume size CV capacity unit is MB 47 Calculating fixed size open systems volume size CV capacity unit is blocks 48 Management area capacity of an open systems volume 49 Boundary values for RAID levels 49 Capacity of a slot 49 Configuring volumes in a parity group 49...

Page 5: ...kflow 75 Smart Tiers 76 About tiered storage 76 Tier monitoring and data relocation 77 Smart Pool 77 Tier monitoring and relocation cycles 78 Tier relocation flow 81 Tier relocation rules restrictions and guidelines 83 Conditions for the discontinuance of performance monitoring or tier relocation 84 Buffer area of a tier 86 Setting external volumes for each tier 87 Execution modes for tier relocat...

Page 6: ...nitoring mode setting 118 Changing relocation speed 119 Changing buffer space for new page assignment setting 119 Changing buffer space for tier relocation setting 120 Viewing pool tier information 120 Viewing THP V VOL tier information 120 Changing a pool for Smart Tiers to a pool for Thin Provisioning 121 Working with pools 121 About pools 121 About pool VOLs 122 Creating pools 122 Working with ...

Page 7: ... 156 Starting pool monitoring manually 157 Stopping pool monitoring manually 157 Starting tier relocation manually 157 Stopping tier relocation manually 157 6 Configuring access attributes 159 About access attributes 159 Access attribute requirements 159 Access attributes and permitted operations 160 Access attribute restrictions 160 Access attributes work flow 160 Assigning an access attribute to...

Page 8: ...186 Setting fibre channel authentication 186 User authentication 186 Settings for authentication of hosts 187 Settings for authentication of ports required if performing mutual authentication 187 Host and host group authentication 188 Example of authenticating hosts in a fibre channel environment 189 Port settings and connection results 190 fabric switch authentication 190 fabric switch settings a...

Page 9: ...air 213 10 Documentation feedback 214 A RAID Manager command reference 215 Remote Web Console tasks and RAID Manager command list 215 B Resource Partition GUI reference 217 Resource Group window 217 Selected resource group window 218 Create Resource Groups wizard 223 Create Resource Groups window 223 Select Parity Groups window 226 Select LDEVs window 229 Select Ports window 232 Select Host Groups...

Page 10: ...s wizard 294 Edit MP Blades window 294 Edit MP Blades Confirm window 294 Assign MP Blade wizard 295 Assign MP Blade window 295 Assign MP Blade Confirm window 296 View Management Resource Usage window 297 D Thin Provisioning and Smart Tiers GUI reference 298 Pools window 298 Pools Volume tabs 303 Create Pools wizard 314 Create Pools window 314 Create Pools Confirm window 321 Expand Pool wizard 323 ...

Page 11: ...ps Hosts LUNs and Host Mode Options tabs 374 Add LUN Paths wizard 378 Select LDEVs window 378 Select Host Groups window 381 Add LUN Paths window 383 Add LUN Paths Confirm window 385 Create Host Groups wizard 386 Create Host Groups window 386 Create Host Groups Confirm window 389 Edit Host Groups wizard 390 Edit Host Groups window 390 Edit Host Groups Confirm window 392 Add to Host Groups wizard wh...

Page 12: ...ted 426 Port tree 427 Authentication information target list 427 Authentication information host list 428 Add New User Information Host window 428 Change User Information Host window 429 Clear Authentication information window 429 Specify Authentication Information window 430 Set Port Information 430 Default Setting User Name Secret window 431 Edit Command Devices wizard 431 Edit Command Devices w...

Page 13: ...g physical storage and creating logical devices for hosts Basic provisioning Several basic provisioning techniques traditionally are used to manage storage volumes These strategies are useful in specific scenarios based on user needs such as whether you use open or mainframe storage systems or you prefer manual or automated control of your storage resources Basic provisioning relies on carving up ...

Page 14: ...runs out of space or IOPS capacity you can replace it with one that was created with even more physical volumes then copy over all of the user data In some cases it is best to add a second logical volume then manually relocate just part of the existing data to redistribute the workload across two such volumes These two logical volumes would be mapped to the server using separate host paths Disadva...

Page 15: ...n access contention is reduced and access performance is improved In fixed sized provisioning not all of the capacity may be used Unused capacity on the volume will remain inaccessible to other users If the custom sized feature is used smaller volumes can be created that do not waste capacity Applications that require the capacity of many fixed sized volumes can instead be given fewer large volume...

Page 16: ...when maintaining storage Although Thin Provisioning requires some additional steps it is a simpler alternative to the traditional provisioning methods It uses thin provisioning technology that allows you to allocate virtual storage capacity based on anticipated future capacity needs using virtual volumes instead of physical disk capacity Overall storage use rates may improve because you can potent...

Page 17: ...m one to 1024 LDEVs pool volumes of physical space Each pool volume is sectioned into 42 MB pages Each page is consecutively laid down on a number of RAID stripes from one pool volume The pool s 42 MB pool pages are assigned on demand to any of the THP V VOLs that are connected to that pool Other pages assigned over time to that THP V VOL randomly originate from the next free page of some other po...

Page 18: ...any applications and evenly spreads the I O activity Because physical disk capacity is initially purchased and installed to meet expected Increases the performance across available physical resources preventing future needs portions of the capacity may be efficiency of the data drive bottlenecks in parity group performance unused I O loads may concentrate on just a Configuring the volumes from mul...

Page 19: ...cessed infrequently being placed on lower cost physical storage Automatically migrate small portions of host volumes to the most suitable data drive according to access frequency Frequently accessed data is migrated to higher speed data drives for example SSD Infrequently accessed data is migrated to lower cost and lower speed data drives for example SAS7 2K to use the storage efficiently Smart Ti...

Page 20: ...ed by other users or a volume in one organization might be destroyed by mistake by a storage administrator in another organization To avoid such problems use Resource Partition to set up resource groups that allow you to manage one storage system as multiple virtual private storage systems The storage administrator in each resource group can access only their assigned resources and cannot access o...

Page 21: ...a for Fast Snap operations or write data for Thin Provisioning pool VOL pool volume A group that is assigned one or more resources of the storage system The resources that can be assigned to the resource group are LDEV IDs parity groups external volumes ports and host group IDs resource group In a thin provisioned storage system the proportion of total THP V VOL capacity associated with the pool v...

Page 22: ... Required shared memory capacity Total capacity of all pools None 1 1 PB or less 8 GB If the total capacity satisfies both of following More than 1 1 PB 3 4 PB or less 24 GB If the total capacity satisfies both of following More than 3 4 PB 7 9 PB or less 40 GB If the total capacity satisfies both of following More than 7 9 PB 12 3 PB or less TIP The V VOL management area is automatically created ...

Page 23: ...lume associated with V VOL The following table explains the relationship between the pool attribute and the maximum capacity of cache management device Maximum capacity of cache management device Maximum capacity in blocks Maximum capacity in MB Pool attribute 6 442 082 304 3 145 548 Internal volume 2 99 TB 6 442 082 304 3 145 548 External volume 2 99 TB Use the following formula to calculate the ...

Page 24: ...g virtual storage machines see the HP XP7 RAID Manager User Guide Information on the virtualized resources of a virtual storage machine appears in Remote Web Console with associated physical storage information If the information on these resources is not displayed by default you can change the Column Settings of the table option For information on displaying virtualized resources see the HP XP7 R...

Page 25: ... pair operations by specifying both of the following in the HORCM_LDEV parameters of the configuration definition file Serial number of the physical storage system in the Serial parameter Physical LDEV number in the CU LDEV LDEV parameter CAUTION If the following condition exists the local copy pair operation cannot be performed by specifying virtual IDs Primary volume and secondary volume are def...

Page 26: ...al physical resources or virtualized resources However data management operations that specify IDs of virtualized resources are limited For details about data management operations for virtualized resources see the HP XP7 RAID Manager User Guide Editing virtualization management settings This section explains how to edit virtualization management settings Prerequisite information Security Administ...

Page 27: ... select Virtual Configuration If you want to specify the virtual configuration of the LDEV to make the configuration different from that of the LDEV select Specify If you do not want to specify the virtual configuration of the LDEV to make the configuration the same as that of the LDEV select Not Set 1 In Emulation Type select the virtual emulation type For the virtual emulation type like the emul...

Page 28: ...group IDs Before you create LDEVs the LDEV IDs can be reserved and assigned to a resource group for future use Host group numbers can also be reserved and assigned in advance because the number of host groups created on a single port is limited The following tasks provide instructions for configuring resource groups Creating a resource group page 32 Adding resources to a resource group page 33 Rem...

Page 29: ... for resource groups sharing a port 1 The system division forms a plan about the resource group creation and assignment of the resources 2 The Security Administrator creates resource groups See Creating a resource group page 32 for more information 3 The Security Administrator creates user groups See the HP XP7 Remote Web Console User Guide for more information 4 The Security Administrator assigns...

Page 30: ...n B can manage the resource groups for Division B but cannot access the resource groups for Division A Configuration workflow for resource groups not sharing a port 1 The system division forms a plan about creating resource groups and the assigning resources to the groups 2 The Security Administrator creates resource groups See Creating a resource group page 32 for more information 3 The Security ...

Page 31: ... resource groups to user groups A user group may already be configured or a new user group may be required for certain resources See the HP XP7 Remote Web Console User Guide for more information Resource group assignments All resource groups are normally assigned to the Security Administrator and the Audit Log Administrator Each resource group has a designated Storage Administrator who can access ...

Page 32: ...y using a function such as sort Host groups that belong to the initiator port cannot be added to a resource group Guidelines If you are providing a virtual private storage system to different companies you should not share parity groups external volumes or pools if you want to limit the capacity that can be used by each user When parity groups external volumes or pools are shared between multiple ...

Page 33: ...der the following You must have Security Administrator View Modify role to perform this task No resource can be added to meta_resource Only resources allocated to meta_resource can be added to resource groups LDEVs with the same pool IDs or journal IDs cannot be added to multiple resource groups For example when two LDEVs belong to the same pool you must allocate both to the same resource group Yo...

Page 34: ...emove resources from a resource group 1 In the Remote Web Console main window in the Storage Systems tree click Administration then Resource Groups 2 Click a resource group to remove in theResource Groups tab 3 Select one or more resources to remove from the resource group then click Remove Resources 4 In the Confirm window confirm the settings in Task Name type a unique name for this task or acce...

Page 35: ...e Resource Groups tab 3 Click Delete Resource Groups 4 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply If Go to tasks window for status is checked the Tasks window opens Using Resource Partition and other HP XP7 Storage products To use Resource Partition with other HP XP7 Storage products the resources that are require...

Page 36: ... VOLs You can reclaim or stop reclaiming zero pages only for the THP V VOLs that are assigned to the Storage Administrator group permitted to manage them Reclaim zero pages Stop reclaiming zero pages DKA Encryption The following table provides information about specific DKA Encryption conditions that must be observed when using Resource Partition Condition Operation name When you specify a parity ...

Page 37: ...Ns displayed Remove hosts in the Selected Hosts table are registered must be assigned to the Storage Administrator group permitted to manage them The specified port must be assigned to the Storage Administrator group permitted to manage them Edit ports If this port attribute is changed from Target or RCU Target to Initiator or to External the host group of this port belongs to meta_resource Theref...

Page 38: ...age Administrator group permitted to manage them Split pairs Suspend pairs Resynchronize pairs Release pairs Fast Snap The following table provides information about specific Fast Snap conditions that must be observed when using Resource Partition Condition Operation name If LDEVs for Fast Snap are created the following must be assigned to the Storage Administrator group that is permitted to manag...

Page 39: ... to the user Edit Pair Options Specified initiator ports must be assigned to the user Add Remote Paths Specified initiator ports must be assigned to the user Remove Remote Paths Initiator ports of remote paths that are connected to a specified remote storage must be assigned to the user Edit Remote Connection Options Initiator ports of remote paths that are connected to a specified remote storage ...

Page 40: ...signed to the user Edit Ports Specified initiator ports must be assigned to the user Add Remote Connection Specified initiator ports must be assigned to the user Add Remote Paths All LDEVs that are specified when creating a journal must belong to the same resource group Volumes to be assigned to a journal must be assigned to the user Create Journals Volumes to be assigned to a journal must be assi...

Page 41: ...reated in the resource group where the external port belongs Add external volumes When you specify a path group and open the Add External Volumes window all the ports that compose the path group must be assigned to the Storage Administrator group permitted to manage them The specified external volume and all the LDEVs allocated to that external volume must be assigned to the Storage Administrator ...

Page 42: ...e assigned to the Storage Administrator group permitted to manage them Edit external WWNs Ports of all the external paths composing the specified path group and all the external volumes that belong to the path group must be assigned to the Storage Administrator group permitted to manage them Edit external path configuration Open Volume Management The following table provides information about spec...

Page 43: ...itted to manage them Migrate parity groups When you specify a parity group the specified parity group must be assigned to the Storage Administrator group permitted to manage them Auto LUN The following table provides information about specific Auto LUN conditions that must be observed when using Resource Partition Condition Operation name The specified source volume and target volume must be assig...

Page 44: ...ts attribute threshold upper limit Release settings on ports by the decrease of ports Set priority of WWNs attribute upper limit Change WWNs and PFC names Add WWNs add WWNs to PFC groups Delete WWNs delete WWNs from PFC groups Add PFC groups and WWNs Delete PFC groups Set priority of PFC groups attribute upper limit Rename PFC groups Add WWNs Delete WWNs All ports must be assigned to the Storage A...

Page 45: ...lume into multiple smaller volumes to reduce unused capacity and provide a more efficient use of space for small volumes such as command devices The Virtual LUN function can efficiently exploit the capacity of a disk by not wasting capacity using larger volumes when the extra capacity is not needed Virtual LUN requirements Use of Virtual LUN on the HP XP7 Storage to configure variable sized volume...

Page 46: ...t be unique to each connected host system SSIDs are user specified and are assigned during storage system installation in hexadecimal format from 0004 to FEFF The following table shows the relationship between controller emulation types and SSIDs Virtual LUN support SSID requirement Controller emulation type OPEN 3 OPEN 8 OPEN 9 OPEN E and OPEN V volumes 0004 to FEFF I 2107 Virtual LUN size calcul...

Page 47: ...le number user area capacity is expressed in kilobytes boundary value is expressed in kilobytes The boundary value depends on volume emulation types and RAID levels see Boundary values for RAID levels page 49 The resulting entire capacity is expressed in megabytes Calculating OPEN V volume size CV capacity unit is blocks To calculate the user area capacity of a CV whose capacity unit is defined as...

Page 48: ...systems volume size CV capacity unit is blocks To calculate the user area capacity of a CV whose capacity unit is defined as blocks user specified CV capacity 2 where user specified CV capacity is expressed in blocks The resulting user area capacity is expressed in kilobytes To calculate the entire capacity of a CV ceil user specified CV capacity management area capacity 2 boundary value 2 boundar...

Page 49: ...ed in kilobytes Boundary values of external volumes are always one kilobyte regardless of RAID levels Hyphen indicates that the combination is not supported Capacity of a slot Capacity KB of a slot Emulation type 48 OPEN xx except for OPEN V Notes xx indicates one or more numbers or letters Slot capacity is expressed in kilobytes Configuring volumes in a parity group For RAID 5 7D 1P RAID 6 6D 2P ...

Page 50: ...e creating an LDEV in a selected storage system free space may need to be created Before volumes are deleted to create free space remove the LU paths to the open system volumes For instructions on removing LU paths see Deleting LU paths page 182 You can create LDEVs using any of the following tabs in Remote Web Console Parity Groups tab when selecting Parity Groups You can create multiple LDEVs in...

Page 51: ...click OK 6 Otherwise if creating an external volume select the external volume then do the following 1 Click Select Free Spaces 2 In the Select Free Spaces window in the Available Free Spaces table select the free space to be assigned to the volumes Do the following if necessary To specify the conditions and show the free space click Filter specify the conditions then click Apply To specify the un...

Page 52: ...s table shows the available used and disabled LDEV IDs In the table used LDEV numbers appear in blue unavailable numbers appear in gray and unused numbers appear in white LDEV numbers that are unavailable may be already in use or already assigned to another emulation group group by 32 LDEV numbers 2 Click Close 14 In the Create LDEVs window in SSID type four digits in hexadecimal format 0004 to FE...

Page 53: ... in gray and unused LDEV IDs appear in white LDEV numbers that are unavailable may be already in use or already assigned to another emulation group group by 32 LDEV numbers 3 Click Close The Create LDEVs window opens Finding an LDEV SSID When creating volumes the LDEV SSIDs must be specified Use this procedure to determine the SSIDs in use in the storage system so you can specify the correct SSID ...

Page 54: ...quired to perform this task If you do not want to register an LDEV that is scheduled to be registered you can remove it from the registration task 1 In the Selected LDEVs table in the Create LDEVs window select an LDEV then click Remove A message appears asking whether you want to remove the selected row or rows If you want to remove the row click OK 2 Click Finish 3 In the Confirm window click Ap...

Page 55: ...ple parity groups that are listed together or separately 4 Open the Block LDEVs window in one of two ways Click More Actions Block LDEVs From the Actions menu select Logical Device Block LDEVs 5 Note the settings in the Confirm window and enter a unique Task Name or accept the default and click Apply If Go to tasks window for status is checked the Tasks window opens Restoring blocked LDEVs The Sto...

Page 56: ...LDEVs From the Actions menu select Logical Device Restore LDEVs 5 Note the settings in the Confirm window and enter a unique Task Name or accept the default and click Apply If Go to tasks window for status is checked the Tasks window opens Editing an LDEV name The Storage Administrator Provisioning role is required to perform this task Use this procedure to edit the name of a registered internal v...

Page 57: ...More Actions and select Delete LDEVs 3 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply The LDEV is deleted If Go to tasks window for status is checked the Tasks window opens Formatting LDEVs If you initialize LDEVs that are being used you will need to format the LDEVs Read the following topics before formatting LDEVs A...

Page 58: ... load concentration on a specific component at the same time the I O performance of the host may decrease while performing of the quick format In a configuration that satisfies both of these conditions many quick formats started at the same time The number of modules is one or two Configuration of CPEX Cache Path control adapter and PCI EXpress path switch DKA DisK Adapter and CHA CHannel Adapter ...

Page 59: ...n one or more parity groups undergoing Quick Format are blocked the displayed number of parity groups undergoing Quick Format decreases by the number of blocked parity groups However the number of parity groups that have not undergone and can undergo Quick Format does not increase To calculate the number of parity groups that have not undergone but can undergo Quick Format use the following formul...

Page 60: ...u select one of the following tabs click More Actions and select Format LDEVs LDEVs tab which appears when Logical Devices is selected from the Storage System tree Virtual Volumes tab which appears when a pool from Pools in the Storage System tree is selected 3 In the Format LDEVs window select the format type from the Format Type list then click Finish In the Confirm window click Next to go to th...

Page 61: ... load status of devices Do not change several LDEV MP blade IDs during a short period of time As a guideline you can change 10 or less of the total number or the full workload of LDEV MP blade IDs assigned to the same MP blade ID at the same time After you change the MP blade for an LDEV wait more than 30 minutes before you try to change the ID again for the same LDEV The Storage Administrator Sys...

Page 62: ...storage tiers consisting of different types of data drives are supported in a single pool of storage Thin provisioning requirements License requirements Before you operate Thin Provisioning the Thin Provisioning software must have been installed on the storage system Before you operate Smart Tiers the Thin Provisioning and Smart Tiers program products software must be installed on the storage syst...

Page 63: ...subscription is set to unlimited Thresholds Warning Threshold You can set the value between 1 and 100 in 1 increments The default is 70 Depletion Threshold You can set the value between the warning threshold and 100 in 1 increments The default is 80 42 MB Data allocation unit The 42 MB page corresponds to a 42 MB continuous area of the THP V VOL Pages are allocated for the pool only when data has ...

Page 64: ...rt Tiers pool For pool VOLs in a pool RAID 6 is the recommended RAID level for pool VOLs especially for a pool where the recovery time of a pool failure due to a drive failure is not acceptable Pool VOLs of the same drive type with different RAID levels can coexist in the same pool Note that HP recommends that you use the following configuration Set one RAID level for pool VOLs If you register poo...

Page 65: ...P V VOLs Up to 63 232 volumes per system If external volumes and V VOLs are used the total number of external volumes and V VOLs must be 63 232 or less Volume capacity from 46 87 MB to 59 9 TB per volume Volume capacity TB 0 01 to 59 99 GB 0 04 to 61 439 99 MB 46 87 to 62 914 556 25 Blocks 96 000 to 128 849 01 1 200 However if you use the volume as a P VOL or S VOL of Business Copy Auto LUN Contin...

Page 66: ... increased is in any one of the following statuses Normal Exceeding the subscription limit threshold In progress of pool capacity shrinking CAUTION When increasing THP V VOL capacity do not perform the following operations When you perform these operations do not increase THP V VOL capacity Operations using Virtual LUN Operations using Cache Residency Creating THP V VOLs Restoring pools Deleting T...

Page 67: ...r these file systems is 4 KB This results in 33 of the THP V VOL acquiring THP pool pages If the file system block size is changed to 2 KB or less then the THP V VOL Page consumption becomes 100 X Writes metadata in 52 MB increments UFS Solaris Size of THP V VOL O Writes metadata to the first block VxFS Small one page X Writes metadata in 8 MB increments JFS AIX Size of THP V VOL If you change the...

Page 68: ...er storage system is 128 Fast Using a Thin Provisioning or Smart Tiers pool VOL as a Fast Snap Snap pool limits are reduced by the number of Thin Provisioning pools and Smart Tiers Z pools primary volume secondary volume or pool VOL Increasing the capacity of a THP V VOL using Fast Snap Reclaiming zero pages of a V VOL used by Fast Snap Performing operations on THP pool VOLs Performing operations ...

Page 69: ... THP pool VOL as a Continuous Access Journal journal a THP V VOL that has OPEN V emulation type volume secondary volume or primary volume Increasing the capacity of a THP V VOL as a primary or secondary volume of a Continuous Access Journal pair Reclaiming zero pages of a THP V VOL used by a journal volume Increasing the capacity of a THP V VOL which is mapped to the External Enabling volumes crea...

Page 70: ...ages You can use this table to determine whether reclaiming zero pages is possible for a particular pair status Reclaim zero pages from RAID Manager Reclaim zero pages from Remote Web Console Pair status Enabled Enabled SMPL status of an unpaired volume Disabled Disabled COPY PD COPY Disabled Disabled PAIR Disabled Disabled COPY SP Disabled Disabled PSUS SP PSUS Enabled Enabled PSUS Disabled Disab...

Page 71: ...rage For more information on external volumes see the HP XP7 External Storage for Open and Mainframe Systems User Guide You cannot specify a Thin Provisioning or Smart Tiers pool VOL as a primary volume or secondary volume High Availability You can use Thin Provisioning or Smart Tiers in combination with High Availability to replicate V VOLs The following figure illustrates the interaction when th...

Page 72: ...ation Continuous Access Journal journal volume Continuous Access Journal S VOL Continuous Access Journal P VOL Supported THP V VOL that has the OPEN V emulation type2 THP V VOLs THP V VOLs Supported THP V VOL that has the OPEN V emulation type2 Normal ordinary volumes1 THP V VOLs Supported THP V VOL that has the OPEN V emulation type2 THP V VOLs Normal ordinary volumes1 Note however that this comb...

Page 73: ... The Quick Restore function is unavailable Normal volumes include the internal volumes and external volumes that are mapped to the volumes of the external storage system using by External Storage For more information on external volumes see the HP XP7 External Storage for Open and Mainframe Systems User Guide You cannot specify a Thin Provisioning or Smart Tiers pool VOL as a primary volume or sec...

Page 74: ...me pool of the source volume For details about the migration of THP V VOLs used in the following pairs see the HP XP7 Auto LUN User Guide Business Copy Continuous Access Journal You cannot migrate THP V VOL which is being used by the High Availability pair Fast Snap When using Thin Provisioning Thin Provisioning Z and Fast Snap in a storage system note the following Pools for Thin Provisioning inc...

Page 75: ...s and guidelines page 32 for the conditions of resources that are necessary in the operation of other HP software and the precautions required when using Resource Partition Thin Provisioning workflow The following diagram shows the steps for a Storage Administrator to follow in setting up Thin Provisioning on a storage system Use Remote Web Console or RAID Manager to create pools and THP V VOLs Th...

Page 76: ...ckup data 1 Restore the V VOL data 2 Perform the operation to reclaim zero pages Perform the above procedure for each V VOL Smart Tiers About tiered storage In a tiered storage environment storage tiers can be configured to accommodate different categories of data A tier is a group of storage media pool volumes in a THP pool Tiers are determined by a single storage media type A storage tier can be...

Page 77: ...quently accessed data to the upper tier and less frequently accessed data stored for a long period of time to the lower tier Smart Pool With Smart Tiers you can enable the Smart Pool option for an existing pool The default is to allow tier relocation for each THP V VOL Only the THP V VOLs for which tier relocation is enabled are subject to calculation of the tier range value and tier relocation wi...

Page 78: ... of each cycle For more information see Edit Pools window page 325 Finish Times Start Times Monitoring cycle hours 0 5 hours after the start time 0 5 hours from 00 00 AM For example 00 00 00 30 and 01 00 0 5 1 hour after the start time 1 hour from 00 00 AM For example 00 00 01 00 and 02 00 1 2 hours after the start time 2 hours from 00 00 AM For example 00 00 02 00 and 04 00 2 4 hours after the st...

Page 79: ...formance monitoring and tier relocation at any time You should keep the duration of performance monitoring to less than 7 days 168 hours If performance monitoring exceeds 7 days then monitoring stops automatically Manual execution mode starts and ends monitoring and relocation at the time the command is issued You can use scripts which provide flexibility to control monitoring and relocation tasks...

Page 80: ... referenced only after the first tier relocation has completed Figure 9 Second collection of monitoring information finishes before the first tier relocation is complete Case 2 When tier relocation is performed with the first collection of monitoring information the second collection of monitoring information can be performed However the third collection cannot be started Because only two fields a...

Page 81: ...ocation is performed the fifth collection of monitoring information cannot be started If such conditions exist two cycles of monitoring information cannot be collected continuously while tier relocation is performed Figure 10 Third collection of monitoring information while tier relocation is performed Tier relocation flow The following shows the flow of allocating new pages and migrating them to ...

Page 82: ...ribution graph which shows the relationship between I O counts I O load and capacity total number of pages is created You can use the View Tier Properties window to view this graph The vertical scale of the graph indicates ranges of I Os per hour and the horizontal scale indicates a capacity that received the I O level Note that the horizontal scale is accumulative For details about the View Tier ...

Page 83: ...alue CAUTION The limit performance value is proportional to the capacity of the pool volumes used in the tier The total capacity of the parity group should be used for a pool to further improve the limit performance 2 Determine the tier delta values The tier range values are set as the lower limit boundary of each tier The delta values are set above and below the tier boundaries 10 to 20 to preven...

Page 84: ... of THP V VOLs and total capacity The maximum time is about 20 minutes To balance the usage levels of all parity groups rebalancing may be performed after several tier relocation operations If rebalancing is in progress the next cycle of tier relocation might be delayed For details on rebalancing see Rebalancing the usage level among parity groups page 109 Conditions for the discontinuance of perf...

Page 85: ... When Auto LUN is performed When Quick Restore of Business Copy is performed Collect the monitoring information again if necessary 1 Tier relocation to volumes is suspended No effect on the fixed monitoring information The monitoring information collected Monitoring information is continuously collected S VOL of following program products when the initial copy operation is performed during the pre...

Page 86: ... is monitored at the time of the next execution cycle 3 All pages of the S VOLs are not allocated and the monitoring information of the volume is reset After the page is allocated to the new page the monitoring information is collected 4 Example Pool VOLs of SAS15K are added to the following configuration 1 Configuration 1 before change Tier 1 is SSD Tier 2 is SAS10K and Tier 3 is SAS7 2K Configur...

Page 87: ...ternal volumes The External LDEV Tier Rank consists of the following three types High Middle and Low The following examples describe how tiers may be configured Example 1 When configuring tiers by using external volumes only Tier 1 External volumes High Tier 2 External volumes Middle Tier 3 External volumes Low Example 2 When configuring tiers by combining internal volumes and external volumes Tie...

Page 88: ... relocation a tier may temporarily be assigned over 98 of capacity as well or well under the allowance for the buffer areas Execution modes for tier relocation Execution modes when using Remote Web Console Smart Tiers performs tier relocations using one of two execution modes Auto and Manual You can switch between modes by using Remote Web Console Auto execution mode In Auto execution mode the sys...

Page 89: ...n the following items in the GUI windows Monitoring Status on Pools window page 298 Pools Volume tabs page 303 and View Pool Management Status window page 354 Displays the status of pool monitoring In Progress The monitoring is being performed During Computation The calculating is being processed Other than these cases a hyphen is displayed Recent Monitor Data on Pools window page 298 and Pools Vo...

Page 90: ...303 and View Pool Management Status window page 354 Displays the status of the tier relocation processing In Progress The status of Pool Management Task is Waiting for Relocation or Relocating Completed The tier relocation operation is not in progress or the tier relocation is complete Uncompleted n relocated The tier relocation is suspended at the indicated percentage progression Hyphen The pool ...

Page 91: ...n which is collected just before the relocation is performed is used for the relocation processing When the relocation is performed the status of the monitor information must be valid Viewing monitor and tier relocation information If the raidcom get thp_pool command is executed with the key opt option specified the monitoring information and tier relocation information are displayed For details a...

Page 92: ...on can be performed at one time Tier relocation can be performed on as many as 32 V VOLs in a storage system at once After changing the setting the relocation speed does not change and the data drive load may not change in the following cases The number of parity groups is very few The number of V VOLs associated with the pool is very few Tier relocations are being performed on the multiple pools ...

Page 93: ...g periods information obtained in the past cycles When the monitoring mode is set to Continuous the frequency distributions are displayed for each pool and V VOL calculated by using the monitor value on which the weighted calculation is done These calculated values are the predictive values for the next cycle after successfully relocating all pages Therefore these values may differ from an actual ...

Page 94: ...elimited and contains the following information Description Type of information Does each V VOL output the log information Does each pool output the log information Item ID of each cycle of a tier relocation Common Yes Yes Cycle ID A common ID is allocated to pool logs and V VOL logs that are collected in one cycle Version number of the tier relocation log format Common Yes Yes Log Format Version ...

Page 95: ...result Yes1 Yes Detail Status Monitor discarded Suspended due to the discard of monitoring data 2 End of cycle Suspended due to incomplete tier relocation during a monitoring cycle End of cycle Suspended due to incomplete tier relocation during a monitoring cycle Requested by user Suspended due to request by a user Threshold exceeded Suspended because the used capacity of pools reaches a threshold...

Page 96: ...n Yes Yes Planned Tier2 Tier1 Number of pages that are planned to move from the tier 2 to tier 3 Tier relocation Yes Yes Planned Tier2 Tier3 Number of pages that are planned to move from the tier 3 to tier 1 Tier relocation Yes Yes Planned Tier3 Tier1 Number of pages that are planned to move from the tier 3 to tier 2 Tier relocation Yes Yes Planned Tier3 Tier2 Number of pages that are moved from t...

Page 97: ... the tier relocation is interrupted After completion of the pool VOLs deleting the tier determination calculation performs again and completes Processed by this way the valid monitor information are re created Tiering policy The tiering policy function is used to assign a specific storage tier to a specific THP V VOL A tiering policy specifies subset of tiers that is available to a given set of TH...

Page 98: ... types of parameters can be set Tier1 Max and Tier 1 Min Tier 3 Max and Tier 3 Min Each parameter setting is a ratio that corresponds to the total capacity of the allocated area of THP V VOLs that have the same tiering policy set for a pool See Tiering policy examples page 98 Tier1 and Tier3 parameter settings can also limit the capacity for all volumes in a configuration that contain multiple THP...

Page 99: ...different tiering policies can coexist in one pool If you specify the level of the tiering policy THP V VOLs with the policy are grouped together All 0 is the default policy In this case data is stored to all of the tiers When a tier is added to the pool after setting the tiering policy on a THP V VOL the THP V VOL is relocated according to the new tier lineup For example if you set the tiering po...

Page 100: ...t will not physically move but Level 5 5 will be associated with Tier 3 If additional capacity is added to the pool and the capacity defines a new Tier 3 the THP V VOLs with a Level 5 5 assignment will physically move to the new Tier 3 and Level 5 5 will be associated with Tier 3 Viewing the tiering policy in the performance graph You can view the frequency distribution graph of the pool by select...

Page 101: ... policy From Level6 6 to Level31 31 Reserving tier capacity when setting a tiering policy If you set the tiering policy of a THP V VOL the THP V VOL used capacity and the I O performance limitation are reserved from the tier The reserved limit performance per page is calculated as follows The reserved limit performance per page The performance limit of the tier The number of pages in the tier A TH...

Page 102: ...l 4 of the tiering policy first of all the upper tier is reserved At this time if the capacity of the pool VOL assigned to the upper tier is deficient the lower tier defined by the tiering policy is reserved automatically For example in case of level 2 in the diagram below tier 1 is reserved first If the capacity of tier 1 is deficient at this point tier 2 is reserved automatically For details see...

Page 103: ...r 3 From Level6 6 to Level31 31 each of the Tier3 Min values are reserved All tiers All 0 30 Tier 1 and Tier 2 Level2 2 Tier 2 and Tier 3 Level4 4 Tier 1 From Level6 6 to Level31 31 each of the Tier1 Max values are reserved From Level6 6 to Level31 31 Tier 3 From Level6 6 to Level31 31 each of the Tier3 Max values are reserved Notes on tiering policy settings If Auto is set as the execution mode t...

Page 104: ... If the capacity of one tier is fully exhausted the migrating pages are assigned to the next tier according to the tiering policy Level1 1 When tier 1 is full the remaining pages are allocated to tier 2 If tier 2 is full the remaining pages are allocated to tier 3 Level3 3 When tier 2 is full the remaining pages are allocated to tier 1 If tier 1 is full the remaining pages are allocated to tier 3 ...

Page 105: ...s performed after changing the tiering policy setting while Auto execution mode is used The following depicts two cases of how tier relocation is performed after changing the tiering policy setting while Manual execution mode is used New page assignment tier If you set the new page assignment tier value when a new page is needed by a THP V VOL the page is taken from the specified tier aligned with...

Page 106: ...1 From tier 1 to 2 From tier 1 to 2 Level 2 specified as the tiering policy Every assignment sequence is the same as when All is From tier 2 to 1 From tier 1 to 2 From tier 1 to 2 Level 3 specified as the tiering policy Every assignment sequence is the same as when All is From tier 2 to 1 From tier 1 to 2 From tier 1 to 2 Level 4 specified as the tiering policy Assignment sequences when High Middl...

Page 107: ...ta is collected If no relocation priority is set for all THP V VOLs the general order of THP V VOL selection is to select the next THP V VOL in LDEV number order after the last THP V VOL that fully performed relocation This selection order persists across relocation cycles If one or more THP V VOLs is assigned a relocation priority the prioritized THP V VOLs are operated upon in the early portion ...

Page 108: ...licy or the settings of newly assigned tiers Relocate tiers after deleting pool VOLs The following table describes page allocation in a 3 tier configuration Description Order in which pages are allocated to tiers Tier of deleted pool VOLs If there is free space in Tier 1 pages are allocated to Tier 1 Tier 1 Tier 2 and Tier 3 Tier 1 If there is no free space in Tier 1 pages are allocated to Tier 2 ...

Page 109: ...P technical support Rebalancing the usage level among parity groups If multiple parity groups that contain LDEVs used as pool VOLs exist rebalancing can improve biased usage rates in parity groups Rebalancing is performed as if each parity group were a single pool VOL After rebalancing the usage rates of LDEVs in a parity group may not be balanced but the usage rate in the entire pool is balanced ...

Page 110: ...operations to select LDEVs 1 In the Storage Systems tree on the left pane of the top window select Pool The pool name appears below Pool 2 Click the pool associated with the V VOL that has new page assignment tier you want to change 3 Click the Virtual Volumes tab on the right pane 2 From the table click the row that has the V VOL with the new page assignment tier that you want to change 3 Click M...

Page 111: ...e following table 6 In the Task Name text box type a unique name for the task or accept the default 7 Click Apply If the Go to tasks window for status checkbox is selected the Tasks window appears 8 Click Finish 9 In the Confirm window verify your settings In Task Name type a unique name for this task or accept the default then click Apply Explanation Item Satisfy either one of following Tier1 Max...

Page 112: ...eferentially 5 Click Finish The Confirm window appears 6 In the Task Name text box enter the task name You can enter up to 32 ASCII characters and symbols with the exception of The value date window name is entered by default 7 Click Apply If the Go to tasks window for status checkbox is selected the Tasks window appears Smart Tiers workflow The following diagram shows the flow of work for a Stora...

Page 113: ...you must do this in Remote Web Console If you delete a pool its pool VOLs LDEVs will be blocked If they are blocked format them before using them Smart Tiers tasks and parameters The following topics list the Smart Tiers tasks and parameter settings and indicate whether the tasks can be performed or the parameters can be set in Remote Web Console GUI or RAID Manager or both Task and parameter sett...

Page 114: ...cation 8 N Y Cycle Time 9 N Y Monitoring Period 10 N Y Monitoring Mode 1 1 N Y External LDEV Tier Rank 12 N Y Relocation speed 13 Y Y Delete 14 Y Y Change Settings Change Settings 15 Setting item Y2 Y Pool Name 16 Y Y Threshold 17 Y Y Smart Pool Enable Disable 18 Y Y Tier Management Auto to Manual 19 N Y Tier Management Manual to Auto 20 Y3 Y3 Buffer Space for New page assignment 21 Y Y Buffer Spa...

Page 115: ...ion log 47 Notes 1 Set to Disable if the pool is created by RAID Manager 2 You can rename a pool when adding pool VOLs to it 3 HP recommends that you specify 0 for SSD and 8 for other drives Display items Setting parameters RAID Manager GUI Output information Category No Y Y Smart Pool Disable THP pool 1 Y Y Tier Management mode Auto Manual 2 Y Y Rate of space for new page assignment 3 N Y Cycle T...

Page 116: ...hen you select the entire pool 2 The tier range when the tiering policy All 0 is selected is displayed Display items Operation status of performance monitor relocation RAID Manager GUI Output information Category No Y Y Monitor operation status Stopped Operating THP pool 1 Y Y Performance monitor information Valid Invalid Calculating 2 Y Y Relocation status Relocating Stopped 3 Y Y Relocation prog...

Page 117: ...ation gathered by monitoring with Remote Web Console and RAID Manager When you change the time range of performance monitoring the setting becomes effective from the next cycle after the cycle that is executing is complete When you select any of 0 5 Hours 1 Hour 2 Hours 4 Hours or 8 Hours Performance monitoring is performed every duration you selected starting at 00 00 You cannot specify the monit...

Page 118: ...e set When you select Auto monitoring and tier relocation can automatically executed When you select Manual monitoring and tier relocation can be executed with the RAID Manager commands or the Pools window When you change the setting of Auto to Manual while performance monitoring and tier relocation is executing it is cancelled and is not performed since then 6 If Auto is selected from the Cycle T...

Page 119: ...n Speed option to set the speed for page relocation to 1 Slowest 2 Slower 3 Standard 4 Faster and 5 Fastest The default is 3 Standard If you want to perform tier relocation at high speed set 5 Fastest If the speed specified is slower than 3 Standard the data drive load is low when tier relocation is performed 6 Click Finish The Confirm window appears 7 In the Task Name text box enter the task name...

Page 120: ... the Task Name text box enter the task name You can enter up to 32 ASCII characters and symbols in all except for The value date window name is entered by default 8 In the Confirm window click Apply to register the setting in the task If the Go to tasks window for status checkbox is selected the Tasks window appears Viewing pool tier information The Storage Administrator Provisioning role is requi...

Page 121: ... tasks window for status checkbox is selected the Tasks window appears Working with pools About pools Thin Provisioning requires the use of pools A pool consists of more than one pool VOL Pages in the pool are assigned to store user data and control information Four pages on a THP V VOL are required for the control information A storage system supports up to 128 pools each of which can contain up ...

Page 122: ... is not redundant or if the pool usage reaches up to the threshold The pool VOLs contained in a pool can be added or deleted Removing a pool VOL does not delete the pool or any related THP V VOLs You must delete all THP V VOLs related to the pool before the pool can be deleted When the pool is deleted all data in the pool is also deleted Creating pools The following procedure tells how to create a...

Page 123: ...e associated with a pool Then click Add The selected pool VOL is registered in the Selected Pool Volumes table Up to 1 024 volumes can be added to a pool NOTE When you add external volumes note the following points An external volume that has Cache Mode set to Enable cannot coexist in the same pool with an external volume that has Cache Mode set to Disable An internal volume and an external volume...

Page 124: ...otected from reading and writing requests And at the same instant the access attribute of the THP V VOL is changed to the Protect attribute 16 Click Add The created pool is added to the Selected Pools table If invalid values are set an error message appears The Pool Type Pool Volume Selection and Pool Name must be set If the required items are not entered or selected you cannot clickAdd If you sel...

Page 125: ... in the group Priority 3 There is free space in the parity group and multiple LDEVs exist in the group The following items are not displayed in the Pool Configuration Patterns table Parity groups with LDEVs that cannot be used as pool VOLs Pool configuration patterns that contain more than 1 024 LDEVs 6 Click OK The information in the Pool Configuration Patterns table is applied to Total Pool Volu...

Page 126: ...e the message appears asking whether you want to remove the selected row or rows If you want to remove the row click OK 17 Click Next The Create LDEVs window appears Go to Creating V VOLs page 133 to create LDEVs If Subscription Limit of the created pool is set to 0 the Create LDEVs window does not appear Click Finish and the Confirm window appears 18 In the Confirm window click Apply to register ...

Page 127: ...the prefix 9 Click Options 10 In the Initial Pool ID text box type the number of the initial pool ID from 0 to 127 When you specify a pool ID that was previously registered the smallest available ID is displayed by default instead of the value you entered If a pool ID unavailable no number is displayed 1 1 In the Subscription Limit text box enter an integer value from 0 to 65534 as the subscriptio...

Page 128: ...us Mode If you perform tier relocation in a specified cycle Period Mode is selected by default If you perform tier relocation weighted to the monitoring result of the past period select Continuous Mode 18 From the Relocation Speed option select the page relocation speed to use when performing relocation You can set the speed to 1 Slowest 2 Slower 3 Standard 4 Faster and 5 Fastest The default is 3 ...

Page 129: ...isioning 4 From the System Type list select Open 5 From the Smart Pool field select Enable CAUTION You cannot select Enable if the storage system has only external volumes with the Cache Mode set to Disable 6 From the Pool Volume Selection field select Auto 7 Follow the steps below to select pool VOLs 1 From the Resource Group list select the resource group name of the pool 2 From the Performance ...

Page 130: ...gistered the smallest available ID is displayed by default instead of the value you entered If a pool ID unavailable no number is displayed 1 1 In the Subscription Limit text box enter an integer value from 0 to 65534 as the subscription rate for the pool If no number is entered the subscription rate is set to unlimited 12 In the Warning Threshold text box enter an integer value from 1 to 100 as t...

Page 131: ...perform tier relocation in a specified cycle or you do not need to specify the Monitoring Mode option select Period Mode If you perform tier relocation weighted to the monitoring result of the past period select Continuous Mode 18 From the Relocation Speed option select the page relocation speed to use when performing relocation You can set the speed to 1 Slowest 2 Slower 3 Standard 4 Faster and 5...

Page 132: ...rted emulation type on a THP V VOL You can define multiple THP V VOLs and assign them to a Thin Provisioning pool Relationship between a pool and THP V VOLs Before you can use Thin Provisioning a THP V VOL and a pool are required Thin Provisioning uses the pool volumes in a pool through the THP V VOLs The following figure shows the relationship between a pool and THP V VOLs Protecting THP V VOLs B...

Page 133: ... appears when Logical Devices is selected The Pools tab which appears when Pools is selected The Virtual Volumes tab which appears when a pool in Pools is selected 2 Click Create LDEVs The Create LDEVs window appears 3 From the Provisioning Type list confirm Thin Provisioning is selected If not select Thin Provisioning from the list 4 In the System Type option select a system type To create open s...

Page 134: ... 1 1 In the LDEV Name text box enter the THP V VOL name In the Prefix text box enter the alphanumeric characters which are fixed characters of the head of the THP V VOL name The characters are case sensitive In the Initial Number text box type the initial number following the prefix name which can be up to 9 digits You can enter up to the 32 characters including the initial number 12 Click Option ...

Page 135: ...DEV Capacity and Number of LDEVs field must be set If these required items are not registered you cannot click Add 23 Click Finish The Confirm window appears To continue the operation for setting the LU path and define LUN click Next 24 In the Task Name in the text box enter the task name You can enter up to 32 ASCII characters and symbols in all except for yymmdd window name is entered as a defau...

Page 136: ...ole is required to perform this task If you do not want to register the THP V VOL you can remove it from the registering task 1 In the Selected LDEVs table in the Create LDEVs window select the LDEV then click Remove The message appears asking whether you want to remove the selected row or rows Click OK 2 Click Finish 3 In the Confirm window click Apply The LDEV is removed If Go to tasks window fo...

Page 137: ... is applied to the THP V VOL and is used in conjunction with other HP software products When the Protect attribute is applied to the THP V VOL Permitted appears in the S VOL field and 0 day appears in the Validation field of the Data Retention window However when the Protect attribute is added to the THP V VOL with the S VOL unacceptable attribute available in Data Retention Not Permitted appears ...

Page 138: ...with Smart Tiers If Smart Tiers is active on your storage system you can monitor access frequency and performance use and while Smart Tiers automatically relocates data to the most suitable data drive tier You can configure monitoring to be automatic or manual In both cases relocation of the data is automatically determined based on monitoring results For details see Smart Tiers page 76 Thresholds...

Page 139: ... of over provisioning that is acceptable for a pool By managing the pool subscription limit you can control the potential demand for storing data that might exceed the pool capacity The subscription limit is the ratio of the total THP V VOL capacity that has been configured to the total capacity of the pool When the subscription limit is set you cannot configure another THP V VOL if the new THP V ...

Page 140: ...larger size of capacity which is displayed on the Current cell is necessary For example if 3 GB V VOL is related to an 1 1 89 GB pool the capacity is calculated as follows ceil 3 072 MB 3 145 548 MB 4 Pages 42 MB 3 072 MB 12 175 36 MB 100 26 61 In this case 26 is displayed on the cell for Current in the Subscription If you create a new V VOL of the same size as the existing V VOL 27 or more remain...

Page 141: ...ervice Information Messages SIMs to report the status of the THP V VOLs and pools The SIM level is Moderate If an event associated with a pool occurs a SIM and an SNMP trap are reported An example of a SIM condition is if the actual pool usage rate is 50 2 but only 50 is displayed because the capacity amount is truncated after the decimal point If the threshold is set to 50 a SIM and an SNMP trap ...

Page 142: ... adding pool VOLs because the condition that caused the SIM removed SIMs are automatically completed in the following cases SIM 620XXX If the usage level of THP pool number XXX falls below the warning threshold SIM is automatically completed SIM 625000 If the usage level of each THP pool in all pools of the storage system falls below the depletion threshold SIM is automatically completed SIM 626XX...

Page 143: ...ns You can check whether a SIM completes successfully in the Remote Web Console main window Managing pools and THP V VOLs Viewing pool information The Storage Administrator Provisioning role is required to perform this task 1 In the Remote Web Console main window in the Storage Systems tree select Pool 2 View the pool information For details about the window for pool information see Pools window p...

Page 144: ... tree select Pool 2 The used pool capacity of pools appears on the Used column in the Pools tab For details about the window for pool information see Pools window page 298 Viewing the used capacity of a Fast Snap pool 1 In the Remote Web Console main window in the Storage Systems tree select Pool 2 From the Pools table on the right click the pool name with the used capacity you want to see 3 Click...

Page 145: ...o select View Pool Management Status The View Pool Management Status window appears Following are cases that the free space of the pool is not formatted In those cases the free space of the pool may not increase Pools other than the selected pool are being formatted The pool usage level reaches up to the warning threshold or the depletion threshold The selected pool is blocked I O loads to the sto...

Page 146: ...the pool capacity The amount of pool capacity registered in the pool represents the pool capacity You need to check the pool free capacity to determine if additional pool capacity is required You cannot increase the pool capacity while it is being shrunk Notes on using Thin Provisioning The internal volume and the external volume whose Cache Mode is set to Disable cannot coexist The external volum...

Page 147: ...pacity of the selected pool VOL appears in Total Selected Capacity 5 Click Finish 6 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply If Go to tasks window for status is checked the Tasks window opens Changing a pool name The Storage Administrator Provisioning role is required to perform this task 1 In the Remote Web Con...

Page 148: ...eased pool VOLs LDEVs will be blocked If they are blocked format them before using them If the blocked pool VOL is an external volume use Normal Format when formatting the volume You can decrease pool capacity for up to eight tasks at the same time Do not execute a RAID Manager command to also decrease the capacity of the pool whose capacity is already in the process of being decreased You cannot ...

Page 149: ...ol threshold If the pool VOL is deleted the subscription rate of the total V VOL capacity including the control information exceeds the subscription limit For details about the formula used to calculate the required pages for one THP V VOL including the control information see Pool subscription limit page 139 If the pool VOL with system area is deleted more than 4 2 GB of free space is necessary i...

Page 150: ...g 5 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply If Go to tasks window for status is checked the Tasks window opens Stopping the decrease of pool capacity The Storage Administrator Provisioning role is required to perform this task 1 In the Remote Web Console main window in the Storage Systems tree select Pool 2 Fro...

Page 151: ... on the right 3 Select the Pool volumes tab and select all the pool VOLs contained in the tier to be deleted You cannot delete a pool VOL unless Shrinkable has been applied 4 Click Shrink Pool 5 In the Shrink Pool window verify the changes The details of Before Shrinking and After Shrinking including the pool capacity the used pool capacity and the free pool capacity appears in Prediction Result o...

Page 152: ...rive Type RPM column 3 Click More Actions and select Edit External LDEV Tier Rank The Edit External LDEV Tier Rank window appears 4 From the Selected Pool volumes table select the pool VOL with the external LDEV tier rank you want to change 5 Click Change and select the tier rank 6 Click Finish The Confirm window appears 7 In the Task Name text box enter the task name You can enter up to 32 ASCII ...

Page 153: ... 2 From the table select the THP V VOL you want to rename 3 Click Edit LDEVs When you selected THP V VOLs from the Virtual Volumes table click More Actions then Edit LDEVs The Edit LDEVs window opens 4 Check LDEV Name and change the LDEV name if necessary 1 In Prefix type the characters that will become the fixed characters for the beginning of the LDEV name The characters are case sensitive 2 In ...

Page 154: ...of parity groups call HP technical support to change your configuration Thin Provisioning does not automatically balance the usage levels among parity groups if the cache memory is not redundant or if the pool usage reaches up to the threshold If all the tracks that belong to a page assigned to a THP V VOL have no records written you can reclaim the page and return it to the pool s available capac...

Page 155: ...nue after the storage system restarts In any of the following cases the reclaiming zero pages will stop and THP V VOL pages will not be released LDEV formatting was performed while reclaiming zero pages The pool VOL that is being accessed by the target THP V VOL was blocked The pool associated with the target THP V VOL was blocked while reclaiming zero pages Cache memory failure occurred while rec...

Page 156: ... Actions then select Edit LDEVs 4 In the Edit LDEVs window check tier relocation and select Enable or Disable Enable allows tier relocation to be performed to the THP V VOL Disable do not allow tier relocation to be performed on the THP V VOL in the case of both automatic and manual tier relocation 5 Click Finish 6 In the Confirm window confirm the settings in Task Name type a unique name for this...

Page 157: ...nitoring Pools window appears 4 In the Task Name text box of the Stop Monitoring Pools window enter the task name You can enter up to 32 ASCII characters and symbols in all except for date window name is entered by default 5 In the Stop Monitoring Pools window click Apply to register the setting in the task If the Go to tasks window for status checkbox is selected the Tasks window appears Starting...

Page 158: ...ation window enter the task name You can enter up to 32 ASCII characters and symbols in all except for date window name is entered by default 5 In the Stop Tier Relocation window click Apply to register the setting in the task If the Go to tasks window for status checkbox is selected the Tasks window appears 158 Configuring thin provisioning ...

Page 159: ...of all hosts Protect a volume against write operations of all hosts but allow read operations Protect a volume against erroneous copy operations but allow other write operations Prevent other users from configuring LU paths and command devices One of the following access attributes can be assigned to each logical volume Read write If a logical volume has the read write attribute open systems hosts...

Page 160: ...es an access attribute of a volume when you are viewing the Data Retention window you will be unable to change the access attribute of the volume by using Data Retention If you attempt to change the access attribute of the volume by using the Data Retention an error occurs If the error occurs refresh the display then retry changing the access attribute of the volume Automatically started software ...

Page 161: ...retention term is over The access attribute can be changed to read write The access attribute remains read only or protect until changed back to read write Changing an access attribute to read only or protect When changing an access attribute to read only or protect observe the following Remote Web Console secondary windows must be defined for use in advance Select Modify from the Data Retention s...

Page 162: ...e Data Retention window click Apply to apply the setting To extend the retention term later open the Data Retention window right click the volume then select Retention Term Changing an access attribute to read write Before changing the access attribute from read only or protect to read write considering the following Remote Web Console secondary windows must be defined for use in advance Select Mo...

Page 163: ...econdary window Modify mode is released For more information on Remote Web Console secondary windows and Modify mode see the HP XP7 Remote Web Console User Guide To enable the expiration lock 1 Navigate to the Remote Web Console as a user assigned to the Storage Administrator Provisioning role 2 In the Remote Web Console main window click Actions Other Function Data Retention to open the Data Rete...

Page 164: ...h proper permissions can make LU path settings and command device settings If you perform the following procedure in Remote Web Console all users including yourself will not be allowed to make LU path settings and command device settings on the specified volume RAID Manager users can still make LU path settings and command device settings on the volume Remote Web Console secondary windows must be ...

Page 165: ...I O paths between the hosts and the logical volumes This defines which host can access which logical volume Logical volumes that can be accessed by open system hosts are referred to as logical units LUs The paths between the open system hosts and the LUs are referred to as LU paths Before defining LU paths you must classify server hosts by host groups For example if Linux hosts and Windows hosts a...

Page 166: ...you can add new LU paths If an existing server host is to be replaced you can delete the LU paths that correspond to the host before replacing the host You do not need to restart the system when you add change or delete LU paths If a hardware failure such as a CHA failure occurs there is a chance that some LU paths are disabled and some I O operations are stopped To avoid such a situation you can ...

Page 167: ...perform the following when host I O is in progress and hosts are in reserved status mounted Remove LU paths see Deleting LU paths page 182 Disable LUN security on a port see Disabling LUN security on a port page 186 Change the data transfer speed for Fibre channel ports Change AL PAs or loop IDs Change settings of fabric switches Change the topology Change the host modes Remove host groups Setting...

Page 168: ...annel adapter for fibre channel port speed If they support 4 8 or 16 Gbps use 4 8 or 16 Gbps for the CHF port speed respectively If the Auto Negotiation setting is required some links might not be up when the server is restarted Check the channel lamp If it is flashing disconnect the cable then reconnect it to recover from the link down state If the CHF port speed is set to Auto some equipment mig...

Page 169: ...0 B4 0 EF 121 0F 91 47 61 75 31 B3 1 E8 122 08 92 46 62 74 32 B2 2 E4 123 04 93 45 63 73 33 B1 3 E2 124 02 94 43 64 72 34 AE 4 E1 125 01 95 3C 65 71 35 AD 5 E0 96 3A 66 6E 36 AC 6 DC 97 39 67 6D 37 AB 7 DA 98 36 68 6C 38 AA 8 D9 99 35 69 6B 39 A9 9 D6 100 34 70 6A 40 A7 10 D5 101 33 71 69 41 A6 1 1 D4 102 32 72 67 42 A5 12 D3 103 31 73 66 43 A3 13 D2 104 2E 74 65 44 9F 14 D1 105 2D 75 63 45 9E 15 ...

Page 170: ...are connected to each other Fibre channel provides the following types of topology Fabric Uses a fabric switch to connect a large number of devices up to 16 million together Each device will have the full bandwidth of 100 MBps FC AL Fibre Channel Arbitrated Loop A shared interface that can connect up to 126 devices AL ports together The full duplex data transfer rate of 100 MBps bandwidth is share...

Page 171: ...ilable for use on the HP XP7 Storage Carefully review and determine which host modes you will need to use when configuring your system and observe the cautions concerning using certain host modes Host modes and host mode options must be set on the port before the host is connected If you change host modes or host mode options after the host is connected the host server will not recognize it When t...

Page 172: ...ied for the mini port driver parameter of the host bus adapter When all of the following conditions are satisfied Automatic recognition function of LUN 7 The host mode 00 Standard or 09 Solaris is used SUN StorEdge SAN Foundation Software Version 4 2 or higher is used You want to automate recognition of increase and decrease of devices when genuine SUN HBA is connected When all of the following co...

Page 173: ...s used Use the combination of this host mode option and the host mode option 50 When you want to adjust the number of buffer to buffer credits BBCs to control the transfer data size by the fibre channel for example when the distance BB Credit Set Up Option2 50 between MCU and RCU of the Continuous Access Synchronous or High Availability pair is long approximately 100 kilometers and the Point to Po...

Page 174: ...ching the storage system to hosts some preparation work needs to be performed When configuring a fibre channel environment first verify that the fibre adapters and the fibre channel device drivers are installed on the open system hosts Next find the World Wide Name WWN of the host bus adapter that is used in each open system host The WWN is a unique identifier for a host bus adapter in an open sys...

Page 175: ... 1 Verify that the fibre channel adapters and the fibre channel device drivers are installed 2 Log on to the Oracle Solaris host with root access 3 Type dmesg grep Fibre to list the installed fibre channel devices and their WWNs 4 Verify that the fibre channel adapters listed are correct and record the listed WWNs The following is an example of finding a WWN on Oracle Solaris dmesg grep Fibre Ente...

Page 176: ... 6 8 12 5 fcT1_cntl CLAIMED INTERFACE HP Fibre Channel Mass Storage Cntl dev fcms6 2 lan 1 10 8 1 0 btlan4 CLAIMED INTERFACE PCI 10110009 Built in 1 lan 2 10 8 2 0 btlan4 CLAIMED INTERFACE PCI 10110009 Built in 2 lan 3 10 12 6 lan2 CLAIMED INTERFACE Built in LAN dev diag lan3 dev ether3 dev lan3 fcmsutil dev fcms0 3 Local N_Port_ID is 0x000001 N_Port Node World Wide Name 0x10000060B0C08294 N_Port ...

Page 177: ...nd display the Create Host Groups window From the Actions menu choose Ports Host Groups then Create Host Groups From the Storage Systems tree click the Ports Hosts Groups In the Host Groups page of the displayed window click Create Host Groups From the Storage Systems tree expand the Ports Hosts Groups node then click the relevant port In the Host Groups page of the displayed window click Create H...

Page 178: ...nd click Remove the message appears asking whether you want to remove the selected row or rows If you want to remove the row click OK 9 Click Finish to display the Confirm window To continue to add LUN paths click Next 10 Confirm the settings and enter the task name in the Task Name box A task name can consist of up to 32 ASCII characters letters numerals and symbols Task names are case sensitive ...

Page 179: ...volume from the host using LUN Manager when host mode option 33 is set to on The ID is referred to as the UUID user definable LUN identifier and is typically composed of a Prefix and an Initial Number Note the following when setting a UUID If host mode 05 OpenVMS is used the host mode option 33 is set to ON LUs that do not have UUID settings are inaccessible If host mode 05 OpenVMS is used with ho...

Page 180: ...annot be used continuously Clear the UUID setting see Clearing a UUID setting page 182 then set the proper UUID for a server host 8 To sequentially number the UUIDs type the first digit in the Initial Number box The following rules apply to the Initial Number 1 Up to 9 numbers are added 1 2 3 9 08 Up to 92 numbers are added 08 09 10 99 If the host mode is set to OpenVMS the numbers are as follows ...

Page 181: ... Click Finish 7 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply If Go to tasks window for status is checked the Tasks window opens Copying one or more but not all LU paths defined in a host group 1 In the Remote Web Console main window in the Storage Systems tree select Ports Host Groups The list of available ports app...

Page 182: ...aths that you do not want to delete are listed select the LU path you do not want to delete then click Remove from Delete process 4 If necessary check the Delete all defined LUN paths to above LDEVs checkbox When checked all additional LU paths on the selected LDEVs will be deleted 5 Click Finish to open the Confirm window If you want to start shredding operations to delete the data of the volume ...

Page 183: ...ich is connected to LDEV by LUN path is affected To release a LUN reservation by a host 1 Click Ports Host Groups in the Storage Systems tree The list of available ports appears in the tree 2 In the tree select a port The host groups corresponding to the port appear 3 In the tree select a host group Information about the selected host group appears on the right side of the window 4 Select the LUNs...

Page 184: ...windows host group cannot access LUs associated with the hp ux host group Examples of enabling and disabling LUN security on ports Enabling LUN security In the following example LUN security is enabled on port CL1 A The two hosts in the hg lnx host group can access only three LUs 00 00 00 00 00 01 and 00 00 02 The two hosts in the hg hpux host group can access only two LUs 00 02 01 and 00 02 02 Th...

Page 185: ... in your storage system from illegal access secure the logical volumes in the storage system Use LUN Manager to secure LUs from illegal access by enabling LUN security on ports By default LUN security is disabled on each port When registering hosts in multiple host groups you must enable LUN security set the switch to enabled When you change LUN security from disabled to enabled you must specify t...

Page 186: ...nvironment use the Authentication window to set user authentication on host groups fibre channel ports and fabric switches of the storage system The hosts to be connected must be configured for authentication by host groups and for authentication of host groups by the host if required For details on how to configure the host for CHAP authentication see the documentation of the operating system and...

Page 187: ... the host does not require user authentication for the host group the host connects to the storage system without authentication of the host group The settings for authentication of host groups are needed only when you want to perform mutual authentication The following topics explain the settings required for user authentication Settings for authentication of hosts page 187 Settings for authentic...

Page 188: ...If authentication of the host is successful either of the following occurs When the host is configured for mutual authentication authentication of the host group is performed When the host is not configured for mutual authentication the host connects to the storage system If the host is not configured for authentication by host groups with CHAP the authentication fails and the host cannot connect ...

Page 189: ...f the host Example of authenticating hosts in a fibre channel environment Following is an example of authentication of hosts in a fibre channel environment In this figure WWNs of host bus adapters HBAs are abbreviated such as A B and so on In the example host group 1 performs authentication of hosts and host group 2 does not The user information of host A is registered on the host group 1 and the ...

Page 190: ...of the host succeeded Registered Registered Enabled Failed to be authenticated and cannot be connected Not registered Registered Enabled Failed to be authenticated and cannot be connected Registered Not registered Enabled Connected without authentication of the host Disabled If a host is configured for authentication by ports with CHAP authentication of the host will fail To allow such a host to c...

Page 191: ... fabric switch is registered on the port but authentication of the fabric switch is disabled Case B Each port does not perform authentication of the fabric switch The fabric switch connects to the storage system without authentication regardless of whether the fabric switch is configured for authentication with CHAP If the user information of the fabric switch is not registered on the port Case C ...

Page 192: ...o the port without authentication do not configure it for authentication by ports with CHAP This item does not affect the connection results or cannot be specified Mutual authentication of ports If mutual authentication is required when authentication of a host is successful the host in return authenticates the port In authentication of ports when user information user name and secret specified on...

Page 193: ...s to be connected to a host group that performs authentication of hosts To allow a specific host to connect to such a host group without authentication configure the host group and the host as follows Remote Web Console secondary windows must be defined for use in advance When you select Modify from the Authentication secondary window to register host user information other users or programs are p...

Page 194: ...entication secondary window to change host user information other users or programs are prevented from changing storage system settings When you close the secondary window Modify mode is released For more information on Remote Web Console secondary windows and Modify mode see the HP XP7 Remote Web Console User Guide You cannot change the WWN when you change user information To change host user inf...

Page 195: ... information for a host group for mutual authentication You can perform mutual authentication by specifying user information for host groups on the storage system ports Specify unique user information for each host group You can change the specified user information for host groups in the same way you initially specify it Remote Web Console secondary windows must be defined for use in advance When...

Page 196: ...ntication Information Target 4 Right click any point in the Authentication Information Target list and select Clear Authentication information The Clear Authentication Information dialog box opens asking whether to clear the user information of the selected host group 5 Click OK to close the Clear Authentication Information dialog box The user information of the selected host group disappears from...

Page 197: ... secondary window Modify mode is released For more information on Remote Web Console secondary windows and Modify mode see the HP XP7 Remote Web Console User Guide 1 On the menu bar select Actions Port Host Group then Authentication 2 In the Authentication window click to change to Modify mode 3 In the Port tree double click the Storage System folder If the storage system contains any fibre channe...

Page 198: ...o close the Specify Authentication Information dialog box 8 Click Apply in the Authentication window A message appears asking whether to apply the settings to the storage system 9 Click OK to close the message The settings are applied to the storage system Clearing fabric switch user information You can clear the specified user information of a fabric switch from the storage system Remote Web Cons...

Page 199: ...he Authentication Mode bi directional unidirectional menu in step 4 Enabling or disabling fabric switch authentication By default the fabric switch authentication is disabled To enable fabric switches to authenticate hosts enable the user authentication settings of fabric switches Remote Web Console secondary windows must be defined for use in advance When you select Modify from the Authentication...

Page 200: ...ba1 However new settings will not affect any port if The resulting nickname is already used as the nickname of a host bus adapter connected to the port or The resulting WWN exists in the port 6 Click Finish 7 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply If Apply same settings to the HBA WWN in all ports is checked a...

Page 201: ... 0 will change to 1A G00 To initialize host group 0 1 Click Ports Host Groups in the Storage Systems tree The list of available ports appear in the tree 2 Select the Host Groups tab or select a port from the tree then select the Host Groups tab 3 Select the host group 0 which is displayed as host group 00 4 On the menu bar click Actions Port Host Group then Delete Host Groups Or click More Actions...

Page 202: ...s The Delete Login WWNs window opens 5 In the Confirm window confirm the settings in Task Name type a unique name for this task or accept the default then click Apply A message appears asking whether to delete it If Go to tasks window for status is checked the Tasks window opens 6 Click OK to close the message Deleting a host group The Storage Administrator Provisioning role is required to perform...

Page 203: ...he Storage Administrator Provisioning role is required to perform this task To add a host to the selected host group 1 Click Ports Host Groups in the Storage Systems tree 2 Select the Host Groups tab 3 Select the host group to which the host is added 4 Select Add to Hosts 5 Select the desired host from the Available Hosts table then click Add Selected host groups are listed in the Selected Hosts t...

Page 204: ...city of the pool See Increasing pool capacity page 146 Perform the operation to reclaim zero pages in order to release pages in which zero data are stored See About releasing pages in a THP V VOL page 153 Set a larger value to the threshold of the pool See Changing pool thresholds page 140 After correcting the causes of SIM 620XXX or 620XXX and 626XXX you need to complete the SIMs see Manually com...

Page 205: ... failures are considered to have occurred in data drives beyond the parity group redundancy When the parity group configuration is 6D 2P and failures occur in three or more drives the failures are considered to have occurred in data drives beyond the parity group redundancy Solutions Ask HP technical support to solve the problem A pool VOL is blocked SIM code 627XXX is reported Solutions Ask HP te...

Page 206: ...ee Increasing pool capacity page 146 Perform the operation to reclaim zero pages in order to release pages in which zero data are stored See About releasing pages in a THP V VOL page 153 Ask HP technical support to solve the problem Causes When you are operating Remote Web Console a timeout occurs frequently The load on the Remote Web Console computer is too heavy so that it cannot respond to the ...

Page 207: ...P V VOL page 154 Contact HP technical support to restore the pool VOL If the blocked pool VOL is an external volume verify the status of the path blockade and the external storage system After performing above solutions release the Protect attribute Data Retention of the THP V VOLs For information about Data Retention see the HP XP7 Provisioning for Open Systems User Guide Causes Pool usage level ...

Page 208: ...ich zero data are stored See About releasing pages in a THP V VOL page 153 Confirm the display again after decreasing I O loads of the storage system Contact HP technical support to restore the cache memory Contact HP technical support to restore the pool VOL If the blocked pool VOL is an external volume confirm following Path blockage Status of the storage system If you are unable to solve a prob...

Page 209: ... of days in the Retention Term may not decrease The number of days in the Retention Term does not decrease Troubleshooting provisioning while using RAID Manager If an error occurs while operating Data Retention or Thin Provisioning while using RAID Manager you might identify the cause of the error by referring to the log appearing on the RAID Manager window or the RAID Manager operation log file T...

Page 210: ...cified volume operation was not finished the operation was rejected 0xaf2b Confirm the value immediately below LDEV Capacity in the Expand Virtual Volumes window Because the shared memory capacity is not enough to increase the specified capacity the operation was rejected 0xaf2c Wait until formatting of the specified volume is finished or see Using Thin Provisioning or Because the specified THP V ...

Page 211: ...llowing reasons B9CA Fewer days are set as the data retention term More than 60 years are set as the data retention term An interface other than Java updated the settings while Data Retention was in the process of changing them A conflict occurred between Java and the other interface The retention term cannot be set because the access attribute is read write B9CB Calling the HP technical support I...

Page 212: ...P7 External Storage for Open and Mainframe Systems User Guide HP XP7 for Compatible FlashCopy Mirroring User Guide HP XP7 Provisioning for Mainframe Systems User Guide HP XP7 RAID Manager User Guide HP XP7 Remote Web Console Messages HP XP7 RemoteWeb Console User Guide You can find these documents at HP Business Support Center website Manuals page http www hp com support manuals Click Storage Disk...

Page 213: ...s Monospace italic text Code variables Command variables 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 Prov...

Page 214: ...that meets your needs To help us improve the documentation send any errors suggestions or comments to Documentation Feedback docsfeedback hp com Include the document title and part number version number or the URL when submitting your feedback 214 Documentation feedback ...

Page 215: ...m add lun Add LUN Paths raidcom delete lun Delete LUN Paths raidcom extend ldev Expand V VOLs raidcom modify ldev Reclaim Zero Pages raidcom initialize ldev Shredding raidcom add host_grp Create Host Groups Port Host Group raidcom delete host_grp Delete Host Groups raidcom modify host_grp Edit Host Groups raidcom add hba_wwn Add Hosts raidcom add hba_wwn Add to Host Groups raidcom delete hba_wwn R...

Page 216: ... Stop Tier Relocation raidcom modify pool Restore Pools raidcom get thp_pool View Tier Properties raidcom disconnect external_grp Disconnect External Volumes External Storage raidcom check_ext_storage Reconnect External Volumes 216 RAID Manager command reference ...

Page 217: ...figured in your storage system The maximum allowed is 1024 Number of Resource Groups Opens the Create Resource Group window where you can create one or more new resource groups The results will appear in this window Create Resource Groups Opens the Edit Resource Group window where you can edit the name of a selected resource group Edit Resource Group Opens the Delete Resource Groups window where y...

Page 218: ...ear in the window by default To display this item change the Column Settings of the table option Selected resource group window This window opens when you select a resource group in the Resource Groups window It provides information about parity groups LDEVs ports and host groups in the selected resource group Summary Parity Groups tab LDEVs tab Ports tab Host Groups tab Summary Description Item N...

Page 219: ... Resources window where you can add one or more resources to the resource group Add Resources Opens the Remove Resources window where you can remove one or more resources from the resource group Remove Resources Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such as backup or reporting Export Selected resource grou...

Page 220: ...Capacity Provisioning type of each volume Provisioning Type Basic Internal volume THP V VOLs of Thin Provisioning or Thin Provisioning Z External External volume External MF Migration volume Snapshot Fast Snap volume Attribute of the volume indicating how the LDEV is being used Attribute Command Device Command device Remote Command Device JNL VOL Journal volume Pool VOL Pool volume The number in p...

Page 221: ...nk Attribute Virtual LDEV attribute If the attribute is not set for LDEV this column is blank Opens the Add Resources window where you can add one or more resources to the resource group Add Resources Opens the Remove Resources window where you can remove one or more resources from the resource group Remove Resources Opens the Edit Virtualization Management Settings window where you can set the mu...

Page 222: ...ween storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage Opens the Add Resources window where you can add one or more resources to the resource group Add Resources Opens the Remove Resources window where you can remove one or more resources from the resource group Remove Resources Opens a win...

Page 223: ...Resources window where you can remove one or more resources from a resource group Remove Resources Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such as backup or reporting Export This item does not appear in the window by default To display this item change the Column Settings of the table option Create Resource ...

Page 224: ...source group the following rules apply Resource Group Name meta_resource cannot be set as a resource group name Names must be unique and multiple occurrences of the same resource group name are not allowed in one storage system 224 Resource Partition GUI reference ...

Page 225: ...ere you select one or more host groups to be assigned to the resource group Select Host Groups Adds your settings to the Selected Resource Groups table Add Item requires configuration Selected Resource Groups table Description Item Name and identifier of each resource group Resource Group Name ID A hyphen indicates the ID number is not assigned before setting a resource group Number of parity grou...

Page 226: ...tem Opens the Resource Group Property window where you can view details of the selected resource group Detail Removes a selected resource group Remove Select Parity Groups window 226 Resource Partition GUI reference ...

Page 227: ...in each parity group Number of LDEVs Adds one or more parity groups selected in the Available Parity Groups table to the Selected Parity Groups table Add Removes one or more selected parity groups from the Selected Parity Groups table and relocates the parity groups to the Available Parity Groups table Remove Create Resource Groups wizard 227 ...

Page 228: ...d Parity Groups table Description Item Parity group identifiers Parity Group ID Capacity of each parity group Capacity Number of LDEVs in each parity group Number of LDEVs 228 Resource Partition GUI reference ...

Page 229: ...Select LDEVs window Available LDEVs table Description Item LDEV identifiers LDEV ID Create Resource Groups wizard 229 ...

Page 230: ...rnal MF Migration volume Snapshot Fast Snap volume Attribute of the volume indicating how the LDEV is used Attribute Command Device Command device Remote Command Device Remote command device JNL VOL Journal volume Pool VOL Pool volume The number in parentheses shows the pool ID Quorum Disk Quorum disk for High Availability TSE TSE VOL Hyphen Volume in which the attribute is not defined Journal ide...

Page 231: ...l volume THP V VOLs of Thin Provisioning External External volume External MF Migration volume Snapshot Fast Snap volume Attribute of the volume indicating how the LDEV is being used Attribute Command Device Command device Remote Command Device JNL VOL Journal volume Pool VOL Pool volume The number in parentheses is the pool identifier Quorum Disk Quorum disk for High Availability TSE TSE VOL Hyph...

Page 232: ...Select Ports window Available Ports table Description Item Port identifier Port ID Attribute of the port indicating I O flow Attribute 232 Resource Partition GUI reference ...

Page 233: ...e system Specify this port to the local storage system Adds one or more ports selected in the Available Ports table to the Selected Ports table Add Removes one or more selected ports from the Selected Ports table and relocates the ports to the Available Ports table Remove Selected Ports table Description Item Port identifier Port ID Attribute of the port indicating I O flow Attribute Initiator Iss...

Page 234: ...ed to the local storage system Specify this port to the external storage system FNP Use this port when the external volume is mapped to the local storage system Specify this port to the local storage system Select Host Groups window 234 Resource Partition GUI reference ...

Page 235: ...roups may appear If a host group is not defined the host name is blank Adds one or more host groups selected in the Available Host Groups table to the Selected Host Groups table Add Removes one or more selected host groups from the Selected Host Groups table and relocates the host groups to the Available Host Groups table Remove Create Resource Groups wizard 235 ...

Page 236: ...oup that uses a port Host Group Name Some undefined host groups may appear If a host group is not defined the host name is blank Create Resource Groups Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue 236 Resource Partition GUI reference ...

Page 237: ...ups Number of LDEVs to be assigned to the resource group Number of LDEVs Number of ports to be assigned to the resource group Number of Ports Number of host groups to be assigned to the resource group Number of Host Groups Opens the Resource Group Property window where you can view the details of the selected resource group Detail Create Resource Groups wizard 237 ...

Page 238: ...be set as a name Duplicate occurrences of the same resource group name are not allowed in one storage system Names are case sensitive Usable characters are alphanumeric spaces and symbols _ Edit Resource Group Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue 238 Resource Partition GUI reference ...

Page 239: ...ty window where you can view the details of the selected resource group Detail Add Resources wizard Add Resources window Description Item Opens the Select Parity Group window where you can select one or more parity groups to be added to the resource group Select Parity Groups Opens the Select LDEVs window where you can select one or more LDEVs to be added to the resource group Select LDEVs Opens t...

Page 240: ...able Description Item One or more parity group identifiers to be added to the resource group Parity Group ID Capacity of each parity group Capacity Number of LDEVs in each parity group Number of LDEVs Total number of selected parity groups Total Selected LDEVs table Description Item The identifiers of the LDEVs to be added to a resource group LDEV ID Some undefined LDEV IDs may appear A hyphen in ...

Page 241: ...L Journal ID Total number of selected LDEVs Total Selected Ports table Description Item Port identifiers to be added to a resource group Port ID Attribute of the port indicating I O flow Attribute Initiator Issues I O commands to a target port when I O is executed between storage systems with Continuous Access Synchronous and so on Target Receives I O commands from a host RCU Target Receives I O c...

Page 242: ...ty groups Total Selected LDEVs table when deleting LDEVs Description Item LDEV identifiers to be deleted from a resource group LDEV ID Some undefined LDEV IDs may appear A hyphen in the LDEV name indicates the LDEV is undefined LDEV names to be deleted from the resource group LDEV Name Parity group ID where the LDEV belongs Parity Group ID Pool name where the LDEV belongs Pool Name ID Capacity of ...

Page 243: ...inuous Access Synchronous and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage HTP Use this port when the external volume is mapped to the local storage system Spe...

Page 244: ...Delete Resource Groups window Selected Resource Groups table Description Item Name and ID of each resource group name to be deleted Resource Group Name ID 244 Resource Partition GUI reference ...

Page 245: ...p Number of Parity Groups Number of LDEVs that are assigned to the resource group Number of LDEVs Number of ports that are assigned to the resource group Number of Ports Number of host groups that are assigned to the resource group Number of Host Groups Model name and serial number of the virtual storage machine assigned to the resource group Virtual Storage Machine Resource Group Properties windo...

Page 246: ...ing used Attribute Command Device Command device Remote Command Device JNL VOL Journal volume Pool VOL Pool volume The number in parentheses is the pool identifier Quorum Disk Quorum disk for High Availability TSE TSE VOL Hyphen Volume in which the attribute is not defined Journal ID when the attribute is JNL VOL A hyphen indicates the attribute is other than JNL VOL Journal ID Information about t...

Page 247: ...or FNP is displayed Attribute Total number of selected ports Total Host Groups table Description Item Port IDs that are used by the host group Port ID Name and ID of each host group Host Group Name Some undefined host group names may appear If a host group is not defined the host group is blank Total number of selected host groups Total Edit Virtualization Management Settings wizard Related Topics...

Page 248: ...system This item is selectable only when the Enable is selected in the Virtual Management Select either one from the following alternatives Virtual Configuration Specify Virtual configuration can be specified and set Not Set Virtual configuration cannot be set the configuration is same as LDEV For virtual configuration the specified value is set to all the selected LDEVs This item is selectable on...

Page 249: ...e machine to which the LDEV belongs Virtual Storage Machine Model Serial Number Displays the model and serial number of the virtual storage machine to which the volume belongs LDEV ID Displays the virtual LDEV identifier Device Name Displays the virtual device name of the volume SSID Displays the virtual SSID Edit Virtualization Management Settings wizard 249 ...

Page 250: ...on user are available Summary Parity Groups tab Summary Description Item Capacity Internal Capacity of all of the parity groups in the internal volume Free1 Free space capacity of the internal volume Total2 Total capacity of the internal volume External Capacity of all of the parity groups in the external volume Free1 Free space capacity of the external volume Total2 Total capacity of the external...

Page 251: ... level An asterisk indicates that the parity group to which the LDEV belongs is interleaved concatenated Either RAID level of the parity group appears RAID Level Emulation type of each parity group Base Emulation Type Capacity Free Capacity of the free space of each parity group The control information used by the storage system such as control cylinders is not included in the Free capacity Total ...

Page 252: ... window Block LDEVs Opens the Restore LDEVs window Restore LDEVs Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such as backup or reporting Export Available when you click More Actions Parity Groups tab Internal or external volume Use this window to view information about the parity groups in the internal or extern...

Page 253: ...ng copied Read Only Data cannot be written on a read only volume Shredding Volume is being shredded Hyphen Any status other than the above RAID level An asterisk indicates that the parity group to which the LDEV belongs is interleaved concatenated Either RAID level of the parity group appears RAID Level Emulation type Base Emulation Type Capacity Free Capacity of the free space The control informa...

Page 254: ...Encryption Opens the Shred LDEVs window Shred LDEVs Opens the Block LDEVs window Block LDEVs Opens the Restore LDEVs window Restore LDEVs Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such as backup or reporting Export Available when you click More Actions LDEVs tab Internal or external volumes Use this window to ...

Page 255: ...Free Capacity of the free space The control information used by the storage system such as control cylinders is not included in the Free capacity Total The total capacity of the LDEVs and the Capacity Free capacity is displayed in the Total Drive type and rpm in use on this LDEV Drive Type RPM Interleaved concatenated parity groups Interleaved Parity Groups Number of LDEVs Unallocated Number of un...

Page 256: ...s not assigned to LDEV this column is blank Device Name1 Virtual device name which is a combination of the virtual emulation type virtual LUSE volume number and the virtual CVS attribute Values of the virtual emulation type virtual LUSE volume number and virtual CVS attribute appear only for items that have been set This column is blank when the virtual emulation type virtual LUSE volume number an...

Page 257: ...e system Mainframe Reserved Number of reserved LDEVs for the mainframe system Mainframe V VOLs Number of allocated V VOLs for the mainframe system Total number of LDEVs Total Number of LDEVs Formatting n Displays the percentage of the progress of formatting processing Format Shredding Task Status Preparing Quick Format n Displays the percentage of the progress of the preparing quick format process...

Page 258: ...Read Only Data cannot be written on a read only volume Shredding Volume is being shredded Hyphen Any status other than the above Displays the V VOL management task being performed on a Thin Provisioning Thin Provisioning Z Smart Tiers or a Smart Tiers Z V VOL V VOL Management Task1 Reclaiming Zero Pages The process is in progress Waiting for Zero Page Reclaiming The process has been waited Blank T...

Page 259: ...V ID1 Virtual LDEV ID If a Virtual LDEV ID is not assigned to LDEV this column is blank Device Name1 Virtual device name which is a combination of the virtual emulation type virtual LUSE volume number and the virtual CVS attribute Values of the virtual emulation type virtual LUSE volume number and virtual CVS attribute appear only for items that have been set This column is blank when the virtual ...

Page 260: ...etails see HP XP7 Continuous Access Journal User Guide or HP XP7 Continuous Access Journal for Mainframe Systems User Guide Force Delete Pairs Cnt Ac J Pairs 2 Opens the Force Delete Pairs HA Pairs window For details see HP XP7 High Availability User Guide Force Delete Pairs HA Pairs 2 Opens a window where you can export configuration information listed in the table to a file that can be used for ...

Page 261: ...Setting fields Description Item Select the type of LDEV Provisioning Type Basic Internal volume Thin Provisioning THP V VOL External External volume Create LDEVs wizard 261 ...

Page 262: ... Select the parity group to which the LDEV is assigned Parity Group Selection Pool Selection or External Volume Selection Parity Group Selection Displayed when you create internal volumes Pool Selection Displayed when you create THP V VOLs External Volume Selection Displayed when you create external volumes Select the data drive type and RPM Drive Type RPM Any All types of disk drives and RPMs tha...

Page 263: ...ers total Example 1 Up to 9 numbers are added 1 2 3 9 08 Up to 92 numbers are added 08 09 10 99 23 Up to 77 numbers are added 23 24 25 99 098 Up to 902 numbers are added 098 099 100 999 Specify the format type This appears when an internal or external volume is used Format Type Quick Format Quick formatting is the default format type You cannot select this when the provisioning type is something o...

Page 264: ... added to the Selected LDEVs table Add The items that can be set in this window depend on the type of volume you are creating The following table lists the items that can be set according to volume type Snapshot volume External volume V VOL for mainframe system V VOL for open system Internal volume Item Required Required Required Required Required Provisioning Type Required Required Required Requi...

Page 265: ...ier N A N A Optional Optional N A Relocation Priority Selected LDEVs table Description Item LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID LDEV name including the combination of prefix characters and the initial number LDEV Name Parity group identifier Parity Group ID Pool name and pool identifier Pool Name ID Drive type and rpm in use on this LDEV Drive Type RPM RAID level A...

Page 266: ...bute is not defined Encryption information Encryption Enable encrypted parity group Disable non encrypted parity group If the parity group in which the encryption setting is not defined a hyphen is displayed Resource group name and ID of which this LDEV is a member Resource Group Name ID Displays the information about the virtual storage machine Virtual Storage Machine Model Serial Number The mode...

Page 267: ...pe LDEV capacity Capacity Type of LDEV Provisioning Type Basic Internal volume THP THP V VOL External External volume Snapshot Fast Snap volume Format type Format Type Storage system identifier in hexadecimal format SSID Cache logical partition number in ID CLPR format CLPR For detailed information about CLPRs see the HP XP7 Cache Partition User Guide MP blade identifier If Auto is selected the ID...

Page 268: ... encrypted parity group If the parity group in which the encryption setting is not defined a hyphen is displayed Resource group name and ID of which this LDEV is a member Resource Group Name ID Displays the information about the virtual storage machine Virtual Storage Machine Model Serial Number The model name and serial number of the virtual storage machine having the LDEV Attribute Virtual LDEV ...

Page 269: ... 100 999 Specify the tiering policy for the LDEV For details about the setting You can specify this function only when the V VOLs using Smart Tiers or Smart Tiers Z are available See Notes on tiering policy settings page 103 Tiering Policy Specify the new page assignment tier you want to assign to the LDEV Middle is set by default You can select from High Middle or Low See New page assignment tier...

Page 270: ...ers Z is enabled When the tier relocation is enabled Edit LDEVs Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue Description Item LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID LDEV name including the combination of prefix characters and the initial number LDEV Name Parity group identifier Parity Group ID Po...

Page 271: ...d for volumes other than Smart Tiers or Smart Tiers Z volumes Tier Relocation Displays the relocation priority assigned to the LDEV A hyphen is displayed if the LDEV is the one of following Relocation Priority LDEV other than Smart Tiers LDEV other than Smart Tiers Z The tier relocation of LDEV is set to disabled Change LDEV Settings window Use this window to edit one or more LDEV properties Descr...

Page 272: ...D you specify Initial LDEV ID LDKC Specify the LDKC number It is fixed to 00 CU Specify the CU number DEV Specify the LDEV number Interval Specify the interval of the assigned LDEV ID View LDEV IDs Opens the View LDEV IDs window Select the MP blade you want to assign to the LDEV MP Blade Select any ID or Auto Select an ID from MPB0 to MPB7 If automatic assignment is enabled for one or more MPs you...

Page 273: ... by LDEV boundary has a unique SSID LDEV Boundary Storage system identifier in hexadecimal format SSID Select Free Spaces window Use this window to view information about available free space slots in the parity group Only the free spaces in the parity groups assigned to the logged on user are available Select Free Spaces window 273 ...

Page 274: ...catenated RAID Level Capacity of free space Capacity Emulation type of the parity group Base Emulation Type Drive type and rpm in use on this LDEV Drive Type RPM Encryption information Encryption Enable encrypted parity group Disable non encrypted parity group If the parity group in which the encryption setting is not defined a hyphen is displayed Opens the View Physical Location window View Physi...

Page 275: ...ype RPM Displays the pool threshold User Defined Threshold Warning Warning threshold is displayed Depletion Depletion threshold is displayed Displays Auto or Manual according to the Tier Management setting when Smart Tiers or Smart Tiers Z is enabled Displays Manual for pools other than Smart Tier Management Tiers or Smart Tiers Z which are available for monitoring For other pools a hyphen is disp...

Page 276: ...d LDEV is already in use LDEV is already assigned to another emulation group grouped every 32 LDEVs LDEV is not assigned to the user If the following values are not identical when a mainframe volume or multi platform volume is created LDEV ID and the virtual LDEV ID model serial numbers of the virtual storage machine and the storage system Description Item Emulation type selected in the Create LDE...

Page 277: ...OPEN V Group 6 View Physical Location window Use this window to view information about the physical location of where free spaces and LDEVS are assigned in a parity group Parity Group Property table Description Item Parity group identifier For an interleaved parity group all parity groups that are contained in the interleaved parity group are shown Parity Group ID RAID level An asterisk indicates ...

Page 278: ...on where the free spaces and LDEVs are assigned Physical Location No Free space number The hyphenation appears for volumes other than free spaces Free Space No LDEV identifier A hyphen appears for other than LDEV IDs LDEV ID LDEV name A hyphen appears for volumes other than LDEVs LDEV Name Emulation type A hyphen appears for volumes other than LDEVs Emulation Type Capacity of the LDEV Capacity Num...

Page 279: ... whether the storage system identifier is can be changed SSID Changeable Yes The SSID can be changed The SSID was assigned when creating LDEVs but has not yet been registered unused No The SSID can not be changed The SSID has been registered used and cannot be changed Hyphen The SSID is not assigned Select a row and click to open the Change SSID window Change SSIDs Change SSIDs window Use this win...

Page 280: ...s wizard Use this window to format LDEVs LDEVs must be formatted before you can use the storage space Format LDEVs window Description Item Select the type of formatting to be used on this LDEV Format Type Quick Format default Select this to perform quick formatting This option is available only for formatting an internal volume 280 LDEV GUI reference ...

Page 281: ...Selected Parity Groups Format LDEVs Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue Description Item LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID LDEV name LDEV Name Parity group identifier Parity Group ID Pool name and pool identifier Pool Name ID Emulation type Emulation Type LDEV capacity Capacity Prov...

Page 282: ...identifier which is the combination of LDKC CU and LDEV LDEV ID LDEV name LDEV Name Parity group identifier Parity Group ID Pool name and pool identifier Pool Name ID Emulation type Emulation Type LDEV capacity Capacity Provisioning type assigned to the LDEV Provisioning Type Basic Internal volume THP THP V VOL External External volume Snapshot Fast Snap volume Displays the attribute of the LDEV A...

Page 283: ...y Group ID Pool name and pool identifier Pool Name ID Emulation type Emulation Type LDEV capacity Capacity Provisioning type assigned to the LDEV Provisioning Type Basic Internal volume THP THP V VOL External External volume Snapshot Fast Snap volume Displays the attribute of the LDEV Attribute Command Device Command device Remote Command Device Remote command device TSE TSE VOL Hyphen Volume in w...

Page 284: ...y Provisioning type assigned to the LDEV Provisioning Type Basic Internal volume THP THP V VOL External External volume Snapshot Fast Snap volume Displays the attribute of the LDEV Attribute Command Device Command device TSE TSE VOL Hyphen Volume in which the attribute is not defined LDEV Properties window Use this window to view properties assigned to a selected LDEV LDEV Properties table Basic t...

Page 285: ... ID is not assigned to LDEV this column is blank Device Name Virtual device name which is a combination of the virtual emulation type virtual LUSE volume number and the virtual CVS attribute Values of the virtual emulation type virtual LUSE volume number and virtual CVS attribute appear only for items that have been set This column is blank when the virtual emulation type virtual LUSE volume numbe...

Page 286: ...Internal volume THP THP V VOL External External volume External MF Migration volume Snapshot Fast Snap volume Displays the LDEV status Status Normal Normal status Blocked Host cannot access blocked volumes Warning Problem occurs in the volumes Formatting Volumes are being formatted Preparing Quick Format Volumes are being prepared for quick formatting Quick Formatting Volumes are being quick forma...

Page 287: ...me Displays the assigned MP blade ID Assigned MP Blade ID Displays the assigned MP blade name Assigned MP Blade Name Displays the resource group name and ID of the LDEV The ID is provided in parentheses Resource Group Name ID Displays the tiering policy name and ID Tiering Policy Displays the new page assignment tier New page Assignment Tier Displays the tier relocation setting Tier Relocation Dis...

Page 288: ...s Copy for Mainframe Displays the status of the Business Copy Z pair Compatible FlashCopy Displays the status of the Compatible FlashCopy relationship Compatible FlashCopy SE Displays the status of the Compatible FlashCopy SE relationship Remote Replication Continuous Access Synchronous Displays the status of the Continuous Access Synchronous pair Continuous Access Journal Displays the status of t...

Page 289: ... Displays the snapshot group name Snapshot Group Information is shown for this item only if you have configured a snapshot group for the FS pair Displays the pair status Status Displays the date and time when you created the pair to store snapshot Snapshot Date Secondary Volume LDEV ID Displays LDEV ID of the secondary volume LDEV Name Displays LDEV name of the secondary volume Capacity Displays c...

Page 290: ... Displays the View Pair Properties window Detail Cnt Ac J Pairs table Description Item Displays the copy type of the pair Copy Type Cnt Ac J Continuous Access Journal pair Cnt Ac J Z Continuous Access Journal for Mainframe pair Displays the journal ID Journal ID Displays the pair 1 information Pair 1 Pair Position Displays whether the volume is a primary or secondary volume Mirror ID Displays the ...

Page 291: ...plays the consistency group ID Error Level Displays the error level Displays the View Pair Properties window Detail HA Pairs table Description Item Displays whether the volume is a primary or secondary volume Pair Position Displays the pair status Status Remote Storage System Model Serial Number Displays the model and serial number of the remote storage system LDEV ID Displays LDEV ID of the remot...

Page 292: ...e Enabled 16 40 degrees C High Temperature mode is enable Disabled 16 32 degrees C High Temperature mode is disable Power Consumption Power Consumption Opens the Edit Temperature Mode window Edit High Temperature Mode Components tab Description Item Chassis identifier of the storage system Chassis ID Chassis type Chassis Type 292 LDEV GUI reference ...

Page 293: ...le that can be used for multiple purposes such as backup or reporting Export DKC MP Blades tab Use this window to view information about MP blades in the storage system Summary MP Blades tab Summary Description Item Number of MP blades assigned to this component Number of MP Blades MP Blades tab Description Item Identifier of the MP blade MP Blade ID Name of the MP blade MP Blade Name Status of th...

Page 294: ...ormation listed in the table to a file that can be used for multiple purposes such as backup or reporting Export Edit MP Blades wizard Use this wizard to enable or disable the storage system to automatically assign the load of resources controlled by the selected MP blades Edit MP Blades window Description Item Specify whether to automatically assign an MP blade to resources logical devices extern...

Page 295: ...d An MP blade is automatically assigned to resources logical devices external volumes and journal volumes Disabled An MP blade is not automatically assigned to resources Assign MP Blade wizard Use this wizard to assign a MP blade that will control selected resources Assign MP Blade window Use this window to select a MP blade to assign to an LDEV Assign MP Blade wizard 295 ...

Page 296: ...irm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue Selected LDEVs table Description Item LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID LDEV name LDEV Name Parity group identifier Parity Group ID Pool name and pool identifier Pool Name ID 296 LDEV GUI reference ...

Page 297: ...evice Remote command device JNL VOL Journal volume Pool VOL Pool volume The number in parentheses shows the pool ID Quorum Disk Quorum disk for High Availability TSE TSE VOL Hyphen Volume in which the attribute is not defined MP blade identifier to be set MP Blade ID View Management Resource Usage window Management Resource Usage table Description Item The current number and maximum allowed number...

Page 298: ...ty1 Used Total THP Displays the pool capacity used total of Thin Provisioning and Smart Tiers Mainframe THP Displays the pool capacity used total of Thin Provisioning Z and Smart Tiers Z FS Displays the pool capacity used total of Fast Snap For each value if the Estimated Configurable capacity is zero is displayed in the cell Estimated Configurable2 THP Displays the estimated pool capacity of Thin...

Page 299: ...erefore the value displayed as the Used Licensed Capacity Used Licensed might differ from the value of the Total Pool Capacity Displays the total number of pools for Thin Provisioning Smart Tiers Fast Snap and Smart Tiers Z Number of Pools Displays the Edit Tiering Policies window Edit Tiering Policies Notes 1 The total value of the Total cells under Capacity of each pool type in the Pools tab win...

Page 300: ...ed If all pool VOLs are external volumes a hyphen is displayed RAID level Displays information about the pool capacity Capacity Total Total capacity of pool Using Option you can select unit of capacity One block means 512 bytes and one page means 42 megabytes in a pool capacity of Thin Provisioning Smart Tiers or Fast Snap One slot means 58 kilobytes and one page means 38 megabytes in a pool capac...

Page 301: ...hese cases a hyphen is displayed Displays the latest monitoring data Recent Monitor Data If the monitoring data exists the monitoring period of time is displayed Example 2010 1 1 15 00 00 2010 1 1 15 23 59 If the monitoring data is being obtained only the starting time is displayed Example 2010 1 1 15 00 00 If the latest monitoring data does not exist a hyphen is displayed Displays the pool manage...

Page 302: ...mart Displays the Create Pools window Create Pools Displays the Create LDEVs window Create LDEVs Displays the Expand Pool window Expand Pool Displays the Delete Pools window Delete Pools2 Displays the Restore Pools window Restore Pools2 Displays the Edit Pools window Edit Pools2 Displays the Monitor Pools window Monitor Pools2 Displays the Stop Monitoring Pools window Stop Monitoring Pools2 Displa...

Page 303: ...Pools Volume tabs Pools Volume tabs 303 ...

Page 304: ...acity of the pool exceeds the pool threshold Shrinking Pool VOL is being reduced Blocked The pool is full or an error occurred in the pool indicating that the pool is blocked If the pool is in both Warning and Blocked status only Blocked is displayed Displays the pool name and pool ID Pool Name ID Displays the LDEV ID and LDEV name of the pool VOL which includes the pool management area Pool VOL w...

Page 305: ...n the pool usage reaches the full size Protect V VOLs when I O fails to Full Pool THP V VOL is protected from reading and writing requests And at the same instant the access attribute of the THP V VOL is changed to the Protect attribute A hyphen appears if the pool corresponds with one of following Data Retention is not installed Pool type is other than THP or Smart Displays the number of pool VOL...

Page 306: ...he pool management task being performed to the pool Pool Management Task Waiting for Rebalance The rebalance process is being waited Rebalancing The rebalance process is being performed Waiting for Relocation The tier relocation process is being waited Relocating The tier relocation process is being performed Waiting for Shrink The pool shrinking process is being waited Shrinking The pool shrinkin...

Page 307: ...oes not include the capacity of the management area Usable Capacity For the pool of Thin Provisioning Smart Tiers and Fast Snap a hyphen is displayed if the unit of capacity is changed to Cylinder Displays the RAID level RAID Level Displays the emulation type Emulation Type Displays the data drive type and RPM When the volume is the external volume Drive Type displays External Storage and the valu...

Page 308: ...ntheses Resource Group Name ID Displays the Expand Pool window Expand Pool Displays the Shrink Pool window Shrink Pool Displays the Stop Shrinking Pools window Stop Shrinking Pools Displays the Edit External LDEV Tier Rank window You cannot operate the pool other than the pool of Thin Provisioning Thin Provisioning Z Smart Tiers Smart Tiers Z Edit External LDEV Tier Rank2 Displays the window for o...

Page 309: ...ng Volume is being formatted Preparing Quick Format Volume is being prepared for quick formatting Quick Formatting Volume is being quick formatted Correction Access Access attribute is being corrected Copying Data in the volume is being copied Read Only Data cannot be written to a read only volume Shredding Volume is being shredded Hyphen Any status other than the above Displays the emulation type...

Page 310: ...L Number of Paths Displays the CLPR ID CLPR Displays the tiering policy name and ID Tiering Policy All 0 The policy of which all tiers in the pool are used Level1 1 Level5 5 One of the policy from Level1 to Level5 is set to V VOL Level6 6 Level31 31 The tiering policy of the user definition is set to V VOL Hyphen V VOL is not the Smart Tiers or Smart Tiers Z V VOL Displays the new page assignment ...

Page 311: ...VS attribute Values of the virtual emulation type virtual LUSE volume number and virtual CVS attribute appear only for items that have been set This column is blank when the virtual emulation type virtual LUSE volume number and virtual CVS attribute are not set If the virtual CVS attribute is set CVS is attached as the suffix to the device name SSID1 Virtual SSID If Virtual SSID is not set for LDE...

Page 312: ...Snap pool this tab is displayed Description Item Displays the combination of the LDKC CU and LDEV LDEV ID Clicking LDEV ID opens the LDEV Properties window Displays the LDEV name LDEV Name Normal Normal status Status Blocked Host cannot access a blocked volume Warning Problem occurs in the volume Formatting Volume is being formatted Preparing Quick Format Volume is being prepared for quick formatt...

Page 313: ...Encryption1 Enabled The encryption of the parity group which contains LDEV is enabled Disabled The encryption of the parity group which contains LDEV is disabled If LDEV is a V VOL for Thin Provisioning external volume or migration volume a hyphen is displayed Information about the virtual storage machine Virtual Storage Machine1 Model Serial Number1 Model name and serial number of the virtual sto...

Page 314: ...or RAID level to display the Select Pool VOLs window external volumes with the cache mode set to disabled are not displayed in the Available Pool Volumes table because they cannot coexist with volumes of the other RAID levels When you select these volumes in the Select Pool VOLs window specify a hyphen for RAID level When selecting pool VOL manually 314 Thin Provisioning and Smart Tiers GUI refere...

Page 315: ...When selecting pool VOL automatically Setting fields Description Item Select the pool type Pool Type For Fast Snap select Fast Snap Create Pools wizard 315 ...

Page 316: ...Pool Volumes Displays the total capacity of the selected pool VOLs This item is displayed when you select Manual as your Pool Volume Selection Total Selected Capacity This item is displayed when you select Auto as your Pool Volume Selection Resource Group Select the resource group name of the pool This item is displayed when you select Auto as your Pool Volume Selection Performance Select the perf...

Page 317: ...ected in Pool Type Open is selected in System Type Data Retention must be installed Select Yes or No in the protect function for THP V VOL If this function is enabled when the pool usage reaches the full size THP V VOL is protected from reading and writing requests And at the same instant the access attribute of the THP V VOL is changed to the Protect attribute Select Auto or Manual of performance...

Page 318: ...ier 1 Enter an integer value from 2 to 40 as the percentage to set for tier 1 A default value is 2 Tier 2 Enter an integer value from 2 to 40 as the percentage to set for tier 2 A default value is 2 Tier 3 Enter an integer value from 2 to 40 as the percentage to set for tier 3 A default value is 2 Items with asterisks require configuration CAUTION When you create the Thin Provisioning or Thin Prov...

Page 319: ...lected pool VOLs Displays the pool type Pool Type For a Thin Provisioning pool THP is displayed For a Smart Tiers pool Smart is displayed For a Thin Provisioning Z pool Mainframe THP is displayed For a Smart Tiers Z pool Mainframe Smart is displayed For a Fast Snap pool FS is displayed Displays the data drive type and RPM If multiple drive types or RPMs exist in a pool this field indicates Mixed W...

Page 320: ...ed 1 Slowest 2 Slower 3 Standard 4 Faster or 5 Fastest If Smart Tiers or Smart Tiers Z is disabled a hyphen is displayed Relocation speed Displays the information of the buffer space for new page assignment to each tier Buffer Space for New page assignment Tier 1 If you make the Smart Tiers or Smart Tiers Z function available the buffer space for new page assignment to tier 1 is displayed If you m...

Page 321: ...onnected in one wizard are executed this window shows all configured items of tasks To show information of configured items other than this topic click Back to display related setting windows then click Help Description Item Displays the pool name and pool ID Pool Name ID Displays the RAID level If multiple RAID levels exist in a pool this field indicates that RAID levels are mixed If all pool VOL...

Page 322: ...ool type is other than THP or Smart Displays the number of pool VOLs Number of Pool VOLs If Smart Tiers or Smart Tiers Z is enabled Auto or Manual for performance monitoring and tier relocation is displayed If Smart Tiers or Smart Tiers Z is disabled a hyphen is displayed Tier Management Displays the cycle of performance monitoring and tier relocation If Smart Tiers or Smart Tiers Z is disabled a ...

Page 323: ...r space for tier relocation to tier 3 is displayed If you make the Smart Tiers or Smart Tiers Z function unavailable or tier 3 does not exist a hyphen is displayed Displays the Pool Properties window when a row is selected and shows the error window when a row is not selected or multiple rows are selected Detail Expand Pool wizard Expand Pool window Use this window to add LDEVs to a pool to expand...

Page 324: ... be added to the execution queue Selected Pool table Description Item Displays the pool name and pool ID Pool Name ID Selected Pool Volumes table Description Item Displays LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID Displays the LDEV name LDEV Name Displays the pool VOL capacity Capacity Displays the parity group ID Parity Group ID Displays RAID level If a pool VOL is an e...

Page 325: ...nable or Disable when using or not using Smart Tiers or Smart Tiers Z Smart Pool A pool that consists of the external volumes to which the cache mode is set to Disable cannot be changed from Disable to Enable In Fast Snap you cannot change the setting of this function If TSE VOL is assigned to the selected pool the pool cannot be changed from Disable to Enable Specifies the performance monitoring ...

Page 326: ...or tier 1 tier 2 and tier 3 If there is no tier you cannot set this item Select the Buffer Space for Tier relocation checkbox then set the buffer space for tier relocation Buffer Space for Tier relocation Enter an integer value from 2 to 40 as the percentage to set for tier 1 tier 2 and tier 3 If the checkbox is not selected you cannot set this item You must set all items if you change the pool se...

Page 327: ...hreshold is the pool usage rate plus 1 The maximum threshold is 100 Depletion Threshold If you change the Fast Snap pool you cannot set this item Select the checkbox then select Yes or No in the protect function for THP V VOL If this function is enabled when the pool VOL is blocked THP V VOL is protected Protect V VOLs when I O fails to Blocked Pool VOL from reading and writing requests And at the...

Page 328: ...hen the volume is the external volume Drive Drive Type RPM Type displays External Storage and the value of the external LDEV tier rank If all pool VOLs are external volumes a hyphen is displayed Displays the pool threshold User Defined Threshold Warning Warning threshold is displayed Depletion Depletion threshold is displayed For a Fast Snap pool a hyphen is displayed for Depletion Displays the su...

Page 329: ...on of the buffer space for new page assignment to each tier Buffer Space for New page assignment Tier 1 If you make the Smart Tiers or Smart Tiers Z function available the buffer space for new page assignment to tier 1 is displayed If you make the Smart Tiers or Smart Tiers Z function unavailable a hyphen is displayed Tier 2 If you make the Smart Tiers or Smart Tiers Z function available and tier ...

Page 330: ...rive type and RPM of the pool If multiple drive types or RPMs exist in a pool this field indicates that drive types or RPMs are mixed When Drive Type RPM the volume is the external volume Drive Type displays External Storage and the value of the external LDEV tier rank Displays the pool threshold User Defined Threshold Warning Warning threshold is displayed Depletion Depletion threshold is display...

Page 331: ...is displayed Displays the pool capacity Capacity Displays the pool type Pool Type For a Thin Provisioning pool THP is displayed For a Smart Tiers pool Smart is displayed For a Thin Provisioning Z pool Mainframe THP is displayed For a Smart Tiers Z pool Mainframe Smart is displayed For a Fast Snap pool FS is displayed Displays the data drive type and RPM If multiple drive types or RPMs exist in a p...

Page 332: ...m Select this checkbox when you specify the total capacity of V VOL Specify total capacity Select this checkbox when you specify the additional capacity of V VOL Specify additional capacity Select this checkbox if you want to offset the specified LDEV capacity by boundary Offset boundary Specify the V VOL LDEV capacity within the range of values indicated below the text box Text Box Expand V VOLs ...

Page 333: ...expanding the volume Assigned Displays the capacity that is derived by the current value subtracted from the final value The value may not be exact because the size is displayed with two decimal places Final Displays the capacity after expanding the volume Displays the LDEV type In this case THP is displayed Provisioning Type Displays the attribute of the LDEV Attribute Command Device Command devi...

Page 334: ...s displayed For a Smart Tiers Z pool Mainframe Smart is displayed For a Fast Snap pool FS is displayed Displays the data drive type and RPM If multiple drive types or RPMs exist in a pool this field indicates that drive types or RPMs are mixed When the volume Drive Type RPM is the external volume Drive Type displays External Storage and the value of the external LDEV tier rank Displays the pool th...

Page 335: ...before and after shrinking Capacity Used Total Before Shrinking Displays the used capacity total capacity before shrinking and the usage rates After Shrinking Displays the used capacity total capacity after shrinking and the usage rates Selected Pool Volumes table Description Item LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID Displays the LDEV name LDEV Name Displays the par...

Page 336: ...is displayed Displays the data drive type and RPM If multiple drive types or RPMs exist in a pool this field indicates that drive types or RPMs are mixed When the volume Drive Type RPM is the external volume Drive Type displays External Storage and the value of the external LDEV tier rank Displays the pool threshold User Defined Threshold Warning Warning threshold is displayed Depletion Depletion ...

Page 337: ...o 32 ASCII letters numbers and symbols The default is date window name Select Pool VOLs window Use this window to add pool VOLs to a pool Up to 1024 volumes can be added including the volumes already in the pool Only the LDEVs assigned to the logged on user are available Up to three different drive types of pool VOLs can be registered in the same pool Complete SIMs window 337 ...

Page 338: ...nd RPM When the volume is the external volume Drive Type displays External Storage Drive Type RPM Displays the emulation type Emulation Type Displays the type of the LDEV Provisioning Type Basic Internal volume External External volume Displays whether the cache mode is enabled If the LDEV is not an external volume a hyphen is displayed Cache Mode Displays the information about parity group encryp...

Page 339: ...ted pool VOL is added to the Selected Pool Volumes table NOTE Up to 1 024 volumes can be added including the volumes already in the pool When adding a volume to the pool for which Smart Pool is enabled note the following For a pool you can add volumes whose Drive Type RPM settings are the same and whose RAID Levels are different For example you can add the following volumes to the same pool Volume...

Page 340: ...pe RPM Displays the tier rank of the external volume If the volume is not an external volume a hyphen is displayed External LDEV Tier Rank Displays the emulation type Emulation Type Displays the type of the LDEV Provisioning Type Basic Internal volume External External volume Displays whether the cache mode is enabled If the LDEV is not an external volume a hyphen is displayed Cache Mode Displays ...

Page 341: ...tem Displays the LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID Displays the LDEV name LDEV Name Displays the pool name and pool ID Pool Name ID Displays the emulation type Emulation Type Displays the capacity Capacity Displays the LDEV type In this case THP is displayed Provisioning Type Displays the attribute of the LDEV Attribute Command Device Command device Hyphen Volume...

Page 342: ...on type Emulation Type Displays the capacity Capacity Displays the LDEV type In this case THP is displayed Provisioning Type Displays the attribute of the LDEV Attribute Command Device Command device Hyphen Volume in which the attribute is not defined Pool Property window Use this window to view and change pool properties Only the LDEVS assigned to the logged on user are available 342 Thin Provisi...

Page 343: ...ays the RAID level If multiple RAID levels exist in a pool this field indicates that RAID levels are mixed If all pool VOLs are external volumes a hyphen is displayed RAID Level Displays LDEV ID and LDEV name of the pool VOL which includes the system area If you open this window from the Selected Pools table in the Create Pool window a hyphen is displayed Pool VOL with System Area Name Pool Volume...

Page 344: ...ays the information about parity group encryption Encryption Enabled The encryption of the parity group which contains LDEV is enabled Disabled The encryption of the parity group which contains LDEV is disabled If LDEV is a V VOL for Thin Provisioning external volume or migration volume a hyphen is displayed Displays the resource group names and IDs of the LDEV The ID is provided in parentheses Re...

Page 345: ...iering Policy All 0 and from Level1 1 to Level31 31 The performance graph that corresponds to the selected tiering policy appears Tier Properties table Description Item Displays the pool name and ID Pool Name ID Displays the tier names Tier1 Tier2 Tier3 and Total Each column displays information about the tier Tier name Displays the data drive type and RPM of tier Drive Type RPM If multiple types ...

Page 346: ...ed If is displayed take the actions displayed in the header area of the Recent Tier Utilization table If an error message and countermeasure are not shown in the header area of the Recent Tier Utilization table refresh the window If continues to display call HP technical support Performance Graph Description Item Displays the performance graph of the entire pool or tiering policy Performance graph...

Page 347: ... scale of the graph indicates an average number of I Os by each hour and the horizontal scale indicates capacity GB of the area where the I Os are performed The two lines in the graph indicate tier 1 range and tier 2 range They are calculated when the collection of performance monitoring has been completed monitoring period is completed They show the boundary of each tier A maximum of 127 dots is ...

Page 348: ... the total capacity of each tier and total capacity of the pool Pool Capacity Displays the percentage of the used capacity for the pool and each tier The field is updated asynchronously with the Recent Tier Utilization table and when Used Capacity Used the View Tier Properties window is opened The Used Capacity of each tier may differ from the Total value Recent Tier Utilization monitoring period ...

Page 349: ...e is no monitor data in tier2 this item does not appear The following describes how to read the performance graph when LDEV information is presented The vertical scale of the graph indicates an average number of I Os by each hour and the horizontal scale indicates a capacity in GB of the area where the I Os are performed The two lines in the graph indicate tier 1 range and tier 2 range These range...

Page 350: ...ioning Smart Tiers or Fast Snap One block equals 512 bytes and one page equals 38 megabytes in a pool capacity of Thin Provisioning Z Smart Tiers Z Used Used pool capacity Used Pool usage rates to pool capacity Used displays the value which is truncated after the decimal point of the actual value For the pool of Thin Provisioning Smart Tiers and Fast Snap a hyphen is displayed if the unit of capac...

Page 351: ...uals 512 bytes and one page equals 38 megabytes in a pool capacity of Thin Provisioning Z or Smart Tiers Z Used Used pool capacity Used Pool usage rates to pool capacity Used displays the value which is truncated after the decimal point of the actual value For the pool of Thin Provisioning Smart Tiers and Fast Snap a hyphen is displayed if the unit of capacity is changed into Cylinder Displays the...

Page 352: ...city of Thin Provisioning Z or Smart Tiers Z Used Used pool capacity Used Pool usage rates to pool capacity Used displays the value which is truncated after the decimal point of the actual value For the pool of Thin Provisioning Smart Tiers and Fast Snap a hyphen is displayed if the unit of capacity is changed into Cylinder Displays the period of monitoring time as follows Recent Monitor Data Star...

Page 353: ...r the pool of Thin Provisioning Smart Tiers and Fast Snap a hyphen is displayed if the unit of capacity is changed into Cylinder Displays the period of monitoring time as follows Recent Monitor Data Starting time Ending time If the monitoring data is being obtained only the starting time is displayed If the latest monitoring data does not exist a hyphen is displayed Displays the progress percentag...

Page 354: ...ers Thin Provisioning Z or a Smart Tiers Z pool this item appears Displays the number of primary volumes of Fast Snap pairs that are associated with the pool Number of Primary VOLs If you select a Fast Snap pool this item appears Displays the number of pool VOLs set for the pool and the maximum number of pool VOLs that can be set for the pool Number of Pool VOLs If Smart Tiers or Smart Tiers Z is ...

Page 355: ...e the progress of the pool management task is calculated after the progress of each V VOL displayed in the Virtual Volume table or the Primary Volume table is calculated Pool Management Task Status Pool Management Task Progress For details about the tier relocation see the tier relocation log file For details about the table items of the tier relocation log file see Tier relocation log file conten...

Page 356: ...Type Capacity Total Displays the V VOL capacity Used Displays the V VOL used capacity The displayed value of Total might be larger than the displayed value of Used due to following reasons Used displays the used V VOL capacity which is rounded up on each page If the emulation type is 3390 A the used capacity of V VOL includes the capacity of control cylinders 7 Cyl is required per 1 1 13 Cyl If th...

Page 357: ...ifier which is the combination of LDKC CU and LDEV LDEV ID Displays the LDEV name LDEV Name Displays the pool management task being performed to the pool Pool Management Task Status Waiting for Rebalance The rebalance process is being waited Rebalancing The rebalance process is being performed Waiting for Shrink The pool shrinking process is being waited Shrinking The pool shrinking process is bei...

Page 358: ...DKC CU and LDEV LDEV ID Displays the LDEV name LDEV Name Displays the parity group ID Parity Group ID Displays the emulation type Emulation Type Displays available capacity of page boundaries in a pool VOL by the specified unit For the pool VOL with system area the displayed capacity does not include the capacity of the management area Usable Capacity Displays the tier rank of the external volume ...

Page 359: ...plays the LDEV name LDEV Name Displays the parity group ID Parity Group ID Displays the emulation type Emulation Type Displays available capacity of page boundaries in a pool VOL by the specified unit For the pool VOL with system area the displayed capacity does not include the capacity of the management area Usable Capacity Displays the tier rank of the external volume External LDEV Tier Rank Edi...

Page 360: ... whose ID is from 0 to 5 a hyphen is displayed Tier1 Min Displays the maximum percentage that is allocated to tier 3 in the total capacity to which tier relocation is performed For a policy with an ID from 0 to 5 a hyphen is displayed Tier3 Max Displays the minimum percentage that is allocated to tier 3 in the total capacity to which tier relocation is performed For a policy whose ID is from 0 to ...

Page 361: ... in the total capacity to which tier relocation is performed For a policy whose ID is from 0 to 5 a hyphen is displayed Tier1 Min Displays the maximum percentage that is allocated to tier 3 in the total capacity to which tier relocation is performed For a policy with an ID from 0 to 5 a hyphen is displayed Tier3 Max Displays the minimum percentage that is allocated to tier 3 in the total capacity ...

Page 362: ... value is needed to satisfy either one of following conditions Tier1 Min Equal to Tier1 Max Smaller than Tier1 Max Select the maximum percentage that is allocated to tier 3 in the total capacity for the tier relocation from 0 to 100 The setting value is needed to satisfy either one of following conditions Tier3 Max Equal to Tier1 Min Bigger than Tier1 Min Select the minimum percentage that is allo...

Page 363: ...ation Priority Displays whether the pool configuration is selected or not Selected Displays the total capacity of the pool Total Capacity Displays the data drive type and RPM of the pool Drive Type RPM Displays the RAID level of the pool RAID Level If the pool configuration is changed select a row in the Pool Configuration Patterns table Then click this button The selected pool configuration is re...

Page 364: ...1 against the total capacity of the pool Displays the tier 2 information Tier 2 Drive Type RPM Displays the data drive type and RPM of pool VOLs RAID Level Displays the RAID level of pool VOLs Rate Displays the percentage of the tier 2 against the total capacity of the pool Displays the tier 3 information Tier 3 Drive Type RPM Displays the data drive type and RPM of pool VOLs RAID Level Displays t...

Page 365: ...ppear in the tree C0 FE CUs from C0 to FE appear in the tree A list of CUs Selecting a CU provides the selected CU information in the volume list on the right of the tree Tree This tree appears only the CUs that include volumes to which access attributes can be actually set Lists information about the CU selected in the tree See the table below for details Volume list Enables or disables enhanced ...

Page 366: ... as a secondary volume S VOL You can also use the RAID Manager to specify whether each volume can be used as an S VOL S VOL Indicates the method that can be used to make LU path and command device settings Reserved Hyphen Both RAID Manager and Remote Web Console can be used to make LU path and command device settings RAID Manager Only RAID Manager can be used to make LU path and command device set...

Page 367: ...ed by RAID Manager to the volume Target of the operation or the name of the operation When no operation is performed No Operation appears Operation Also shown are the volume icons and the total number of volumes with each access attribute Error Detail Dialog Box If an error occurs with Data Retention the Error Detail dialog box appears The Error Detail dialog box displays error locations and error...

Page 368: ...l units Port Host Groups window Summary Host Groups tab Hosts tab Ports tab Login WWNs tab Summary Description Item Total number of target ports Target Total number of RCU Target ports RCU Target Total number of Initiator ports Initiator Total number of External ports External Total number of ports Total 368 LUN Manager GUI reference ...

Page 369: ...ns the Add LUN Paths window Add LUN Paths Opens the Add Hosts window Add Hosts Opens the Delete Host Groups window Delete Host Groups2 Opens the Edit Host Groups window Edit Host Groups2 Opens the Create Alternative LUN Paths window Create Alternative LUN Paths2 Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such a...

Page 370: ... the port Address Loop ID Indicates whether a fabric switch is used Fabric Topology of the port Connection Type Attribute of the port indicating I O flow Attribute Initiator Issues I O commands to a target port when I O is executed between storage systems with Continuous Access Synchronous and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I ...

Page 371: ...he port Port ID Clicking a port ID opens Port Host Groups Host Groups and Hosts tabs HBA WWNs and their icons HBA WWN Name of the host Host Name Name of the host group Host Group Name Opens the Add to Host Groups window Add to Host Groups Opens the Delete Login WWNs window Delete Login WWNs Opens the View Login WWN Statuses window View Login WWN Statuses Opens a window where you can export configu...

Page 372: ...he connection is not in the linkup status LUN security setting Enabled or Disabled on the port Security Attribute of the port indicating I O flow Attribute Initiator Issues I O commands to a target port when I O is executed between storage systems with Continuous Access Synchronous and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is exe...

Page 373: ...D Icons and names of host groups Host Group Name Clicking a host group name opens Port Host Groups Hosts LUNs and Host Mode Options tabs Host group ID Host Group ID1 Host mode of the host group Host Mode LUN security setting Enabled or Disabled on the port Port Security Number of hosts in the host group Number of Hosts Number of logical units in the host group Number of LUNs Resource group name an...

Page 374: ...me of the host group Host Group Name Opens the Add to Host Groups window Add to Host Groups Opens the Edit Host window Edit Host Opens the Remove Hosts window Remove Hosts Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such as backup or reporting Export Port Hosts Groups Hosts LUNs and Host Mode Options tabs Summar...

Page 375: ...w Add Hosts Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes such as backup or reporting Export Available by clicking More Actions LUNs tab This tab provides information about the LU paths that correspond to the LDEV assigned to the logged in user Description Item Identifier of the port Port ID Icons and identifiers ...

Page 376: ...ng Snapshot Fast Snap volume Cache logical partition number displayed as ID CLPR CLPR Displays the tiering policy name and ID Tiering Policy All 0 Policy specified when all tiers in the pool are used Level1 1 to Level31 31 Policy selected from Level1 to Level31 set to the V VOL Hyphen The logical volume is not the Smart Tiers or Smart Tiers Z V VOL Displays the new page assignment tier of the tier...

Page 377: ...EV this column is blank Opens the Add LUN Paths window Add LUN Paths Opens the Copy LUN Path window Copy LUN Paths Opens the Edit Command Devices window Edit Command Devices Displays the Host Reserved LUNs window View Host Reserved LUNs2 Opens the Delete LUN Paths window Delete LUN Paths2 Opens the Edit UUIDs window Edit UUIDs2 Opens a window where you can export configuration information listed i...

Page 378: ...Add LUN Paths wizard Select LDEVs window Available LDEVs table 378 LUN Manager GUI reference ...

Page 379: ...ze of each logical volume Capacity Provisioning type for each logical volume Provisioning Type Basic Internal volume External External volume THP V VOL of Thin Provisioning Snapshot Fast Snap volume Displays the attribute of the LDEV Attribute Command Device Command device Remote Command Device Remote command device Hyphen Volume in which the attribute is not defined Number of paths set for the LD...

Page 380: ...y Provisioning type for each logical volume Provisioning Type Basic Internal volume External External volume THP V VOL of Thin Provisioning Snapshot Fast Snap volume Displays the attribute of the LDEV Attribute Command Device Command device Remote Command Device Remote command device Hyphen Volume in which the attribute is not defined Number of paths set for the LDEV Number of Paths Resource group...

Page 381: ...Select Host Groups window Available Host Groups table Add LUN Paths wizard 381 ...

Page 382: ...t RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Resource group name and identif...

Page 383: ...from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Resource group name and identifier of the host group Resource Grou...

Page 384: ...lume Capacity Provisioning types for each logical volume Provisioning Type Basic Internal volume External External volume THP V VOL of Thin Provisioning Snapshot Fast Snap volume Displays the attribute of the LDEV Attribute Command Device Command device Remote Command Device Remote command device Hyphen Volume in which the attribute is not defined Number of assigned LUNs LUN ID number of LUNs Sets...

Page 385: ...LDEV ID Name of the LDEV LDEV Name Identifier of the parity group Parity Group ID Pool names and pool identifiers Pool Name ID If the LDEV is not used as a pool VOL a hyphen appears Emulation types for each logical volume or logical device Emulation Type Size of each logical volume Capacity Provisioning types for each logical volume Provisioning Type Basic Internal volume External External volume ...

Page 386: ...haracters You cannot use the following symbols You cannot use blanks at the beginning or end of the host group name Select the resource group in which the host group is created If Any is selected among all ports being allocated to the user ports where the host Resource Group Name ID group can be add are available in the Available Ports table If other than Any is selected among ports assigned to th...

Page 387: ... connected via a cable to another port LUN security setting Enabled or Disabled on the port Port Security Adds a new host Or select host bus adapters then click to assign a nickname to the host bus adapter Add New Host Available Ports table This table lists the registered ports Description Item Identifier of the port Port ID Attribute of the port indicating I O flow Attribute Initiator Issues I O ...

Page 388: ... of host mode options Options Host Mode Options table Description Item The ID number of the host mode option Mode No The description of host mode option Option Description The setting status Enabled or Disabled of the host mode option Status Indicates that the host mode option is enabled Enabled Indicates that the host mode option is disabled Disabled Selected Host Groups table Description Item Id...

Page 389: ...Resource group name and identifier of the host group Resource Group Name ID Model name and serial number of the virtual storage machine that has the host group Virtual Storage Machine Details about the selected host group Detail Removes the selected host groups from the Selected Host Groups table Remove Next Task Option Click Next to go to the task setting window which is indicated in Next Task Op...

Page 390: ... setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Resource group name and identifier of the host group Resource Group Name ID Model name and serial number of the virtual storage machine that has the host group Virtual Storage Machine Details about the selected host group Detail Edit Host Groups wizard Edit Host Groups window Use thi...

Page 391: ...st group assigned to an initiator port is included in the specified host groups this item is unavailable Host Mode Options table To set the host mode option select a host mode option then click Enable If you do not need a host mode option select an unnecessary host mode option then click Disable Description Item Number identifier of the host mode option Mode No Description of the host mode option ...

Page 392: ...target port when I O is executed between storage systems with Continuous Access Synchronous and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setti...

Page 393: ...ted Add to Host Groups window Available Host Groups table This table lists host groups in which selected hosts can be registered Only the host groups assigned to the logged on user are available Add to Host Groups wizard when specific host is selected 393 ...

Page 394: ...s executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Details about the selected host group Detail Adds host groups selected from the Available Host...

Page 395: ...O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Details about the selected host group Detail Add to Hos...

Page 396: ...osts are registered Description Item Identifier of the port Port ID Name of the host group Host Group Name The host mode of the host group Host Mode Attribute of the port indicating I O flow Port Attribute Initiator Issues I O commands to a target port when I O is executed between storage systems with Continuous Access Synchronous and so on Target Receives I O commands from a host 396 LUN Manager ...

Page 397: ... an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Add Hosts wizard when specific hosts group is selected Add Hosts window Available Hosts table This table lists the hosts that can be registered in the selected host group Add Hosts wizard when specific hosts group is selec...

Page 398: ...a cable to any port in the storage system No The host has been connected via a cable to another port Adds a new host Note that Port ID and Host Group Name will be blank after a new host is added Add New Host Adds hosts selected from the Available Hosts table to the Selected Hosts table Add Removes hosts from the Selected Hosts table Remove Selected Hosts table This table lists hosts selected from ...

Page 399: ...y clicking Add New host Host Group Name Indicates whether this is a newly added host New Host Yes The host is newly added and has never been connected via a cable to any port in the storage system No The host has been connected via a cable to another port Add Hosts Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue Add Hosts wizard...

Page 400: ...cuted between storage systems with Continuous Access Synchronous and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on t...

Page 401: ...aths Description Item Identifier of the port Port ID Identifier of the selected LUN paths LUN ID LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID Name of the LDEV LDEV Name Name of the host group Host Group Name Size of each logical volume Capacity Displays the attribute of the LDEV Attribute Command Device Command device Remote Command Device Remote command device Hyphen Volum...

Page 402: ...e task setting window which is indicated in Task Next Option Delete LUN Paths Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue Selected LUN Paths table Description Item Identifier of the port Port ID Identifier of the selected LUN path LUN ID LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID Name of the LDEV LD...

Page 403: ...is performed while being applying of the primary task the primary task is canceled and the secondary task is applied to the storage system Edit Host window Description Item Specify the WWN of the port in 16 digits of hexadecimal numbers HBA WWN Specify the host name Host Name Host name can be up to 64 single byte ASCII characters alpha numerals and symbols You cannot use the following symbols You ...

Page 404: ... CAUTION In one port if the setting operations are performed with two times or more to edit many setting items wait until the primary task applies then perform the secondary operation If the secondary operation is performed while being applying of the primary task the primary task is canceled and the secondary task is applied to the storage system 404 LUN Manager GUI reference ...

Page 405: ...g 2 Gbps HBA and switch set the transfer speed of the CHF fibre channel adapter port as 2 Gbps If you are using 4 Gbps HBA and switch set the transfer speed of the CHF port as 4 Gbps If you are using 8 Gbps HBA and switch set the transfer speed of the CHF port as 8 Gbps If you are using 16 Gbps HBA and switch set the transfer speed of the CHF port as 16 Gbps If the Auto Negotiation setting is requ...

Page 406: ...ed loop P to P point to point Only P to P can be specified for the FCoE port Caution Some fabric switches require that you specify point to point topology If you enable a fabric switch check the documentation for the fabric switch to determine whether your switch requires point to point topology Edit Ports Confirm window Confirm proposed settings name the task then click Apply The task will be add...

Page 407: ...s setting ON or OFF for a fabric switch Fabric Topology of the selected port Connection Type FC AL Fibre channel arbitrated loop P to P Point to point Create Alternative LUN Paths wizard Create Alternative LUN Paths window Description Item Select the resource group in which the host group is created If Any is selected among all ports being allocated to the user ports where the host Resource Group ...

Page 408: ...s and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Security Adds ports selected from the Available Ports t...

Page 409: ...a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Security Create Alternative LUN Paths Confirm window Confirm proposed settings name the task then cli...

Page 410: ... on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Numb...

Page 411: ...ich is the combination of LDKC CU and LDEV LDEV Name Emulation types for each logical volume or logical device Emulation Type Size of each logical volume Capacity Identifier of the parity group Parity Group ID Number of paths set for the LDEV Number of Paths Copy LUN Paths wizard Copy LUN Paths window Copy LUN Paths wizard 41 1 ...

Page 412: ...s and so on Target Receives I O commands from a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host gr...

Page 413: ...rom a host RCU Target Receives I O commands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Details about the sele...

Page 414: ...ommands from an initiator when I O is executed between storage systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Added LUNs table Description Item Identifier of the added ...

Page 415: ...the port Port ID WWN of the port HBA WWN Name of the host Host Name Name of the host group Host Group Name If this checkbox is selected selected hosts are removed from all host groups containing the hosts in the storage system Remove selected hosts from all host groups containing the hosts in the storage system Remove Hosts Confirm window Confirm proposed settings name the task then click Apply Th...

Page 416: ...Selected Hosts table Description Item Identifier of the port Port ID WWN of the port HBA WWN Name of the host Host Name Name of the host group Host Group Name 416 LUN Manager GUI reference ...

Page 417: ...nt UUIDs For an OPEN VMS server host The total length of the Prefix and the Initial Number may not exceed 5 characters If the Prefix is 5 characters you may not specify an Initial Number and vice versa Initial Number For a server host other than OPEN VMS The total length of the Prefix and the Initial Number may not exceed 64 characters If the Prefix is 64 characters you may not specify an Initial ...

Page 418: ... indicates that the UUID is released UUID Emulation types for each logical volume or logical device Emulation Type Size of each logical volume Capacity Add New Host window Description Item Specify the WWN of the port in 16 digits of hexadecimal numbers HBA WWN Specify the host name Host Name As a host name you can use single byte ASCII characters alpha numerals and symbols up to 64 characters You ...

Page 419: ...scription Item Specify the initial LUN ID If multiple LUs are selected LUN IDs are set consecutively from the specified LUN ID Initial LUN ID Delete Host Groups window Selected Host Groups table Description Item Identifier of the port Port ID Name of the host group Host Group Name The host mode of the host group Host Mode Change LUN IDs window 419 ...

Page 420: ...systems with Continuous Access Synchronous and so on External Issues I O commands to a target port of an external storage system with External Storage LUN security setting Enabled or Disabled on the port Port Security Number of hosts registered in the host group Number of Hosts Details about the selected host group Detail Delete Login WWNs window Selected Login WWNs table Description Item Identifi...

Page 421: ... LDEV ID Name of the LDEV LDEV Name This field is blank because the UUID is to be deleted UUID Emulation types for each logical volume or logical device Emulation Type Size of each logical volume Capacity Host Group Properties window Use this window to view properties about a selected host group Delete UUIDs window 421 ...

Page 422: ...he host mode of the host group Host Mode The number of host mode options that are enabled Host Mode Option Resource group names and IDs of host groups The ID is provided in parentheses Resource Group Name ID Hosts table Description Item WWN of the port HBA WWN Name of the host Host Name 422 LUN Manager GUI reference ...

Page 423: ...The number of host mode options that are enabled Host Mode Option Identifier of the port on this volume Port ID Emulation types for the logical volume or logical device Emulation Type Size of the logical volume Capacity Provisioning type assigned to this logical volume Provisioning Type Basic Internal volume External External volume THP V VOL of Thin Provisioning Snapshot Fast Snap volume Displays...

Page 424: ...yption of the parity group which contains LDEV is disabled If LDEV is a V VOL for Thin Provisioning external volume or migration volume a hyphen is displayed Information about the virtual storage machine Virtual Storage Machine Model Serial Number Model name and serial number of the virtual storage machine that has LDEV LDEV ID Virtual LDEV ID If a Virtual LDEV ID is not assigned to LDEV this colu...

Page 425: ...ode is a exclusive access control for operations of secondary windows If you set the modify mode to ON other users or programs cannot apply settings to a storage system If you close the secondary window the modify mode is released For more information on Remote Web Console secondary windows and modify mode see the HP XP7 Remote Web Console User Guide On the menu bar click Actions Port Host Group t...

Page 426: ...ied number of times connection to the port fails Refusal Freq Fabric Switch information list Description Item Fibre channel port name Port Name User name of the fabric switch User Name Mode of authentication between ports and fabric switches Mode bidirectional The authentication mode is mutual unidirectional The authentication mode is not mutual Indicates whether to perform authentication for the ...

Page 427: ...s in that port The host group name appears beside the icon Description Item Indicates a fibre channel port CLX Y Indicates that the host group performs authentication of hosts host group name Indicates that the host group does not perform authentication of hosts host group name Authentication information target list The list on the right provides user information of the host groups that are allowe...

Page 428: ...col Add New User Information Host window Description Item Select the group name where the user will be registered Group Name Specify the user name of the host 16 hexadecimal characters can be used The user name is not case sensitive User Name Specify the secret to be used for host authentication Secret Use 12 to 32 characters including alphanumerics spaces and the following symbols _ Specify the s...

Page 429: ... characters including alphanumerics spaces and the following symbols _ Specify the secret again for confirmation An error occurs if you enter incorrect characters then click OK Re enter Secret Protocol to be used for user authentication This protocol is always CHAP Challenge Handshake Authentication Protocol Protocol Clear Authentication information window Description Item Item number No Group nam...

Page 430: ...s if you enter incorrect characters then click OK Re enter Secret Set Port Information Description Item Specify the period of time from when authentication fails to when the next authentication session is ended This period of time is between 15 to 60 seconds The initial value is 45 Time out Specify the interval from when connection to a port fails to when the next authentication session starts wit...

Page 431: ...er Secret Edit Command Devices wizard The System Administrator can enter RAID Manager commands from open system hosts to perform such as Continuous Access Synchronous or Business Copy operations or both on logical devices For example RAID Manager commands can be used to create and split pairs If you want to allow the System Administrator to enter RAID Manager commands from open system hosts you mu...

Page 432: ...pair volume Continuous Access Journal pair volume Virtual volume V VOL for Fast Snap Volume reserved by Data Retention Journal volume Pool volume Remote command device Quorum disk for High Availability Edit Command Devices window If you want to enable command device security user authentication and device group definition you must enable the command device in this window If the command device is d...

Page 433: ...and device attribute settings see the HP XP7 RAID Manager User Guide Edit Command Devices Confirm window Confirm proposed settings name the task then click Apply The task will be added to the execution queue Selected LDEVs table Description Item LDEV identifier which is the combination of LDKC CU and LDEV LDEV ID Name of the LDEV LDEV Name Identifier of the parity group Parity Group ID Emulation t...

Page 434: ...e Disabled User authentication is not applied to the command device Indicates whether the device group definition is applied to the selected command device Device Group Definition Enabled Device group definition is applied to the command device Disabled Device group definition is not applied to the command device Host Reserved LUNs window LUNs table LUNs reserved by hosts are displayed Description...

Page 435: ...al LUSE volume number and the virtual CVS attribute Values of the virtual emulation type virtual LUSE volume number and virtual CVS attribute appear only for items that have been set This column is blank when the virtual emulation type virtual LUSE volume number and virtual CVS attribute are not set If the virtual CVS attribute is set CVS is attached as the suffix to the device name SSID Virtual S...

Page 436: ... reserved by the Persistent Group Reserve command Mainframe Reserved LUN is reserved by the mainframe system ACA Active LUN is in the ACA active status View Login WWN Statuses window Login WWNs table Description Item Displays names of ports Port ID Displays the HBA WWNs and their icons HBA WWN Displays the names of hosts Host Name Displays the names of host groups Host Group Name Displays the host...

Page 437: ...akh HP Kazakhstan ЖШС Хьюлетт Паккард К Қазақстан Алматы қ Бостандық ауданы Тимирязев к сі 28В тел факс 7 727 355 35 50 7 727 355 35 51 Manufacturing date The manufacturing date is defined by the serial number CCSYWWZZZZ HP serial number format for this product Valid date formats include YWW where Y indicates the year counting from within each new decade with 2000 as the starting point for example...

Page 438: ...rvers http www hp com support EnterpriseServers Warranties HP Storage Products http www hp com support Storage Warranties HP Networking Products http www hp com support Networking Warranties 438 Regulatory information ...

Page 439: ...e for defining devices 180 Create LDEV function 50 custom sized provisioning overview 15 customer self repair 213 D data retention strategies 20 Data Retention window 365 data transfer speed fibre channel ports 168 devices correspondence table 180 document conventions 213 related information 212 documentation HP website 212 providing feedback on 214 E EAC marking Belarus Kazakhstan Russia 437 edit...

Page 440: ...ogical volumes managing 165 LU paths 165 configuration workflow 178 configuring 178 configuring on fibre channel 165 defining 178 defining alternate 180 deleting 182 managing 182 rules restrictions and guidelines 166 viewing settings 183 LUN defined 166 LUN security enabling on ports 185 example of disabling 184 example of enabling 184 settings for authentication of hosts 187 settings for authenti...

Page 441: ...y 49 SSID confirming 53 editing 53 requirements 46 subscription limit of a pool changing 141 symbols in text 213 system requirements for provisioning 22 T technical support 212 HP 212 Technical Support Center 21 1 text symbols 213 thin provisioning configuring 62 example 18 overview 16 62 requirements 62 workflow 18 75 THP V VOL requirements 65 tier capacity reserving 101 reserving example 102 tie...

Page 442: ...HP Storage products 437 websites 212 customer self repair 213 product manuals 212 World Wide Name 174 WWN 174 changing 200 deleting from WWN table 202 deleting old WWNs 202 finding on AIX IRIX or Sequent 175 finding on different operating systems 174 finding on Oracle Solaris 175 finding on Windows 174 Z zero pages reclaiming 154 Zero Read Cap mode 367 442 Index ...

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