Hp XP RAID Manager Software User Manual

HP XP P9000 Snapshot User GuideAbstractThis guide explains how to use HP XP P9000 Snapshot Software to create space-efficient point-in-time copies of

Remote Web ConsoleRemote Web Console (RWC) is connected to the P9500 storage system through the TCP/IPlocal-area network (LAN). RWC communicates and e

DescriptionItemValues:• Business Copy/Snapshot• Business Copy for Mainframe• Fast Snap• SnapshotThe emulation type.Emulation TypeValue: OPEN-VFor FS o

DescriptionItemFor BC/SS and Business Copy for Mainframe, this item is blank.Port name of the LDEV’s LUN path.Port IDFor Business Copy for Mainframe,

DescriptionItem• Host Group Name: Host group name of the LDEV’s LUN path• LUN ID: LUN ID of the LDEV's LUN path• Emulation type: The volume’s emu

DescriptionItem• Capacity: P-VOL’s capacity• CLPR: P-VOL’s CLPR number.For BC/SS or BC Z, this item is blank.Mirror unit number.Mirror unitIf you are

Select Secondary Volumes windowDescriptionItemAllows you to filter the available LDEVs according to the capacity you select.CapacityRefers to the sele

DescriptionItemLDEV’s capacityCapacityProvisioning type of the LDEV.Provisioning typeValues:• Basic: Internal volume• THP: THP V-VOL• External: Extern

DescriptionItemValues:• BC-L1: BC/SS L1 pair• BC-L2: BC/SS L2 pair• FS: FS pair• SS: SS pair• BC Z: BC Z pairThe pool’s mirror unit number.Mirror unit

Selected Pairs tableDescriptionItemDefines the P-VOL information.Primary volumeValues:• LDEV ID: P-VOL’s LDEV identifier• LDEV Name: P-VOL’s LDEV name

C Pair operations (secondary window)This appendix provides instructions on using the previous version of the RWC GUI, which opensin a secondary window

• The RAID Manager hide mode (-m noread) is not supported for S-VOLs (V-VOLs). If you specifyit, the paircreate completes normally, but the hide mode

2 Business Copy/Snapshot planning and designThis chapter describes requirements for setting up and using SS and includes data pool sizinginformation.C

• Do not run the pairresync -restore command on a pair while a pairsplit operation isbeing performed on a related pair (a pair that shares the same P-

2. Change to Modify mode by clicking the icon.3. In the Pair Operations window tree, select the port or host group that contains the pairs youwant to

D Business Copy/Snapshot monitoring and maintenance(secondary window)This appendix provides instructions for monitoring SS using the previous version

Pair status definitionsFor more information about pair status descriptions, see “Pair status definitions” (page 44). ClickFile/Refresh to ensure the p

3. In the Detail dialog box, check pair and volume details.The following table shows descriptions of the items in the Detail dialog box.DescriptionsIt

DescriptionsItemsUpdates the information in the Detail dialog box.RefreshCloses the Detail dialog box.CloseMonitoring S-VOL path informationYou can vi

Monitoring number of pairs and license informationYou can review information related to pairs and license capacity using the Information dialog box.1.

DescriptionsItemsSS license information in the X(Y) format, where X is license capacity SS is using and Yis total license capacity reserved for SS. If

E Snapshot GUI reference (secondary window)This appendix describes SS windows and dialog boxes in the previous version of the RWC GUI,which opens in a

DescriptionItem: Storage system: Port: Host group: LUN or SMPL volume: SS pairFor more information about the BC/SS icons, see the HP XP P9000 Business

RequirementItemSupported: RAID1, RAID1+0, RAID5, and RAID6RAID levelRestriction: You cannot add a different RAID level to the data pool.Supported: P-V

DescriptionItem• CCC: LU number• XX:YY:ZZ: LDKC number:CU number: LDEV numberOnly one path is listed, which is the path connected to the first port in

The Preview list opens below the Volume list. The following table shows descriptions of the itemsin the Preview list.DescriptionItemP-VOL information

FunctionCommandOpens the Information dialog box, which shows the number of pairs or reserved volumes.InformationReserved for BC/SS.Grayed-outcommandsO

DescriptionItem• mm: minute• ss: secondThe operation’s P-VOL, identified by LDKC:CU:LDEV.P-VOLA device identifier ending in the pound sign (#) (e.g.,

DescriptionItemThe pools in the storage system are shown with the following icons:Tree• : Storage system• Pool:X: Pool in normal status (X indicates p

DescriptionItem• Sync.: Consistency rate of the data of the P-VOL and the S-VOL.• CTG: Consistency group number of the SS pair.When the consistency gr

GlossaryBC P9000 or XP Business Copy. An HP application that provides volume-level, point-in-time copiesin the disk array.CLPR Cache logical partition

RAID1-level datastorageA RAID that consists of at least two drives that use mirroring (100 percent duplication of thestorage of data). There is no str

IndexAadditional shared memory, 14At-Time Split operation, 41Auto LUN, 33Bblocked pool, 52blocked pool, recovering, 55blocked volume, 53CCCI, 10consis

overview, 7powering off the system, 50requirements, 11splitting pairs, 40, 109status for RAID Manager operations, 67storage capacity valuesconventions

RequirementItemFor more information about creating pairs using the paircreate command,see “Creating pairs in a consistency group” (page 109).Data pool

longer a snapshot is held, and the more snapshots that exist all result in more data accumulatingin the data pool.For more information about data pool

The maximum number of SS pairs supported on a system is the lowest value based on the followingcalculations:• The number of differential tables.For mo

Using differential tables, use the following workflow to find the maximum number of pairs allowedon your system:1. The number of differential tables r

The following table shows a system’s shared memory capacity based on the amount of additionalshared memory. This table also shows the V-VOL management

The following table shows the pool capacity for shared memory and the P-VOL capacity that youcan create.Pool capacity (GB)Sharedmemory30,72020,48014,3

Use the following formula to calculate the capacity:Capacity (bytes) of shared memory used by the P-VOL = ceil (ceil (P-VOL capacity (KB)/256 (KB))/2,

© Copyright 2010, 2014 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or

Split operation. When I/O does not occur, the storage system timer performs the Splitoperation.◦ If the split operation fails, the status all volumes

1. Place the SS pairs in a consistency group.2. Split the pair in a consistency group.For more information about splitting pairs in consistency groups

Snapshot secondary volume consistency maintenanceIf you are sharing the SS P-VOL with one of the following S-VOLs, ensure the following to maintainSS

3 Business Copy/Snapshot installation and configurationThis chapter provides instructions and information for installing and configuring SS.Installing

1. In the Storage Systems tree, select Pools > Create Pools.2. In the Create Pools window, for Pool Type, select Snapshot.3. In the Pool Volume Sel

system restrictions and the V-VOL requirements, see “Consistency group system requirements”(page 11).For more information about determining how many V

6. In the Confirm window, do the following and then click Apply:• For Task Name type a name for the task.NOTE: For character and symbol limits and def

4 Sharing Business Copy/Snapshot volumesThis chapter discusses the HP software application volumes that you can share with SS P-VOLs.Interoperability

NOTE: Use the RAID Manager to set the Zero Read Capacity and Invisible attributes.Data Retention and access attributesThe SS pair and pool operations

The SS pair status determines whether you can set access attributes for the SS P-VOL and S-VOL.The following table shows the access attributes that yo

Contents1 Overview of Business Copy/Snapshot...7Snapshot software...

The following tables list the relationship between SS pair operations and BC/SS status.BC/SS statusSS pairoperationPSUECOPY (RS-R)/RCPYCOPY (RS)/COPYP

SS statusBC/SS operationPSUERCPYCOPY2PSUS, PFUSPAIR,PFULCOPY1YesYesYesYesYesYesDelete pair1. “COPY” status during initial copy.2. “COPY” status during

The following table shows the relationship between SS pair operations and Cnt Ac-S/Cnt Ac-Jstatus.Cnt Ac-S/Cnt Ac-J statusSS operationDeletingSuspendi

The following table shows the relationship between Cnt Ac-S/Cnt Ac-J pair operations and SSstatus.SS statusCnt Ac-S / Cnt Ac-J operationsPSUERCPYCOPY2

1. Create the SS pair.2. Perform the migration plan.To share SS P-VOL, the SS pair status must be “PAIR”. You can delete and cancel the migrationplan

5 Pair operationsThis chapter provides instructions for performing pair operations.Pair operationsYou can perform the following operations on pairs:•

Related topics• “Configuring pairs” (page 36)• “Creating pairs” (page 37)NOTE: After you create the pair, if the number of pairs and other information

Example 3You want to create one pair with two S-VOLs and another pair with one S-VOL. For Number ofSecondary Volumes, type 2.In this case, the storage

• For Number of Secondary Volumes, type the number of S-VOLs according to the pairconfiguration with the largest amount of S-VOLs that you are creatin

5. In the Available LDEVs table, select the LDEV that you want to be the P-VOL and click Add.The LDEV moves to the Selected LDEVs table.6. Click Next.

5 Pair operations...35Pair operations...

10. Click Next.11. In the Confirm window, for Task Name, type a name and then click Apply.NOTE: For character and symbol limits and default values, se

Related topics• “???TITLE???”• “Splitting pairs” (page 41)• “Splitting pairs in consistency groups at a pre-determined time” (page 41)NOTE: If you are

Pair resynchronization and restorationResynchronizing a pair does the following:• Increases capacity in the data pool.• Deletes data in the pool.• Mir

Related information• “Deleting pairs” (page 43)NOTE: After you delete the pair, if the number of pairs and other information shown in theSummary tab d

6 Business Copy/Snapshot monitoring and maintenanceThis chapter provides information and instructions for monitoring and maintaining SS.Monitoring the

The following table shows the pair status and descriptions. The P-VOL and V-VOL access columnsin the following table indicate whether the volumes acce

Monitoring consistency groupsYou can check the number and individual properties for consistency groups.1. In the Storage Systems tree, click Replicati

You can do the following to monitor pool information:• “Business Copy/Snapshot installation and configuration” (page 23)• “Business Copy/Snapshot moni

Increasing data pool volume capacityIf the pool threshold is reached more than once or twice, increase the data pool-VOL capacity.The best practice is

2. From the names that appear on the Pools tab, select the pool with the name that you want tochange and click More Actions > Edit Pools.3. In the

Conventions for storage capacity values...65Typographic conventions..

Within the resulting list on the Logical Devices window, you can do the following:• To select all pool-VOLs in the list, click Select All Pages.• To f

For more information, see:• “Switching off the power supply” (page 51)• “Replacing the microcode offline” (page 51)Switching off the power supplyNOTE:

7 Business Copy/Snapshot troubleshootingThis chapter provides BC/SS troubleshooting information.General troubleshootingThe following table shows gener

Causes and solutionsProblemSolutions:• Add pool-VOLs to another pool.• Initialize the V-VOL management area.• Check pool-VOLs requirements. For more i

Causes and solutionsProblemTo check whether the host server has access to pair volumes, view the P-VOL/S-VOL accesscolumns. For more information, see

Causes and solutionsProblemSolution:1. Find the consistency group number. Use the Snapshot or Pair Operation window inRWC.2. Create a pair specifying

1. Recover the pool-VOLs.To recover a blocked pool-VOL, contact HP Technical Support.2. Recover the pool.To recover the pool, do one of the following:

Troubleshooting with RAID ManagerTo identify the cause of errors while using RAID Manager, you can use the following logs:• The log is shown in the RA

Cause of errorRAID Manager commandSSB2• You specified an MU number (SS ID) that is already in use.• You specified a pool that is unusable.• You have e

Cause of errorRAID Manager commandSSB2The command ends abnormally because the LDEV number of the volume youspecified as the S-VOL exceeds the range.Al

Monitoring pair operation history...117Maintaining the system...

Cause of errorRAID Manager commandSSB2For more information about using Auto LUN V2, contact HP Technical Support.The command ends abnormally because y

Cause of errorRAID Manager commandSSB2You cannot create the pair because the SS P-VOL and BC/SS S-VOL share thevolume, and the BC/SS S-VOL you specifi

Cause of errorRAID Manager commandSSB2The command ends abnormally because the volume specified as the P-VOL usestwo mirrors in a 3 Cnt Ac-J data cente

Identifying errors using the RAID Manager operation log file1. Open the RAID Manager log file. The default location is /HORCM/log*/curlog/horcmlog_HOS

8 Support and other resourcesContacting HPFor worldwide technical support information, see the HP support website:http://www.hp.com/supportBefore cont

Conventions for storage capacity valuesHP XP P9000 disk arrays use the following values to calculate physical storage capacity values(hard disk drives

CAUTION: Indicates that failure to follow directions could result in damage to equipment or data.IMPORTANT: Provides clarifying information or specifi

A RAID Manager command referenceThis appendix describes RAID Manager commands corresponding to actions in RWC.RAID Manager commands for Remote Web Con

Required statusRAID Manager pair operationPSUS/PFUS, PSUEpairresyncPSUS/PFUSpairresync -restorePAIR/PFUL, PSUS/PFUS, PSUEpairsplit -SIf you run a comm

B Snapshot GUI referenceThis appendix describes SS windows and dialog boxes.Pools windowUse the Pools window to view information about pools in your s

1 Overview of Business Copy/SnapshotWith Snapshot (SS), you can create virtual copies of a data volume in the P9500 storage system.This chapter provid

DescriptionItemFor each value, if Pool Capacity Estimated Configurable is zero, is shown.• Estimated ConfigurableFor SS: The remaining physical pool c

DescriptionItemValues:• Total: The pool’s total capacityUnit of capacity: Click Option to select the unit of capacity.One block equals 512 bytes and o

DescriptionItemValues:• If monitoring data exists, the monitoring period of time is shown.Example: 2010/11/15 00:00 - 2010/11/15 23:59• If monitoring

Summary tableDescriptionItemShows the following information about the pool status:StatusValues:• Normal: The pool is in a normal status and is accessi

DescriptionItemThe number of pool-VOLs set for the pool, and the maximum number ofpool-VOLs that you can set.Number of Pool VOLsThe number of V-VOLs a

Pool Volumes tabUse the Pool Volumes tab to view specific pool-VOL information.DescriptionItemThe pool-VOL’s LDEV identifier.LDEV IDThe pool-VOL’s LDE

Virtual Volumes tabThis tab is shown for all pools except FS and SS pools.DescriptionItemThe LDEV’s identifier.LDEV IDThe LDEV’s name.LDEV NameThe LDE

DescriptionItemValues: Enabled or DisabledA hyphen (-) is shown if the V-VOL is not a Smart or Smart Z V-VOL.The tier relocation priority.Relocation P

DescriptionItemFor more information about this window, see the HP XP P9000 Provisioningfor Open Systems User Guide.Click to open the Restore LDEVs win

DescriptionItem• Formatting: The host is formatting the P-VOL’s LDEV.• Preparing Quick Format: The host is preparing to quick format the P-VOL’sLDEV.•

The following figure shows how the V-VOL maintains the point-in-time data when you split the pair.The following figure shows how the V-VOL maintains t

Setting itemsIn the following table, items that are marked with an asterisk (*) require configuration.DescriptionItemThe pool’s type.Pool Type*Value:

DescriptionItemClick to open the Select Pool Volumes window. You must select a pool-VOL.Select Pool VOLs button*The total number of the selected pool-

Selected pools tableDescriptionItemThe pool’s nickname and identifier.Pool Name (ID)The pool’s RAID level.RAID LevelIf multiple RAID levels exist in a

DescriptionItemFor SS, a hyphen (-) is shown.The number of pool-VOLs.Number of Pool VOLsTHP/Smart only.Smart PoolTHP/Smart only.Buffer Space for New p

DescriptionItemInformation about the pool threshold.User-Defined Threshold (%)Values:• Warning: Warning threshold is shown.• Depletion: Depletion thre

Pool Volume Selection areaUse the Pool Volume Selection area of the Expand Pool window to define the drive type and RAIDlevel for LDEVs you are adding

Selected Pool tableUse the Selected Pool table to view the list of pools that are selected.DescriptionItemThe pool’s nickname and identifier.Pool Name

Use the Edit Pools wizard to change a pool name and threshold. For more information about editingpools, see:• “Changing pool volume names” (page 48)•

DescriptionItemDefault: When you select one pool, for Prefix, the pool name is shown.When multiple pools are selected, the numbers ranging from the sp

Selected Pools tableUse the Selected Pools table to view the list of pools that are selected.The following tables provides descriptions of the items i

ComponentsAn SS system typically consists of the following components:• RWC• SS and Business Copy (BC/SS) software• RAID Manager (RAID Manager)• A pai

DescriptionItemFor SS, this item is unavailable.Buffer Space for New pageassignment (%)For SS, this item is unavailable.Buffer Space for Tier relocati

DescriptionItemIf multiple RAID levels exist in a pool, Mixed is shown.The pool capacity.CapacityFor LUSE, shows the LUSE capacity.The type of pool.Po

Selected Pools tableUse this table on the Confirm window of the Delete Pools wizard to view the list of pools that areselected.DescriptionItemThe pool

This window shows the Selected Pools table.Selected Pools tableUse the Selected Pools table to view the list of pools that are selected.DescriptionIte

Setting items areaUse the Setting items area of the Complete SIMs window to type the task name and add the taskto the Tasks queue so that the operatio

DescriptionItemValues:• Total: The total pool capacity.• Used: The amount of pool capacity that is used.• Used (%): The percentage of pool capacity th

Available Pool Volumes tableThe following table shows descriptions of the items in the Available Pool Volumes table.DescriptionItemThe LDEV’s identifi

The External LDEV Tier Rank specifies the external LDEV tier rank. If an external LDEV does notexists in the Available Pool Volumes table or Selected

DescriptionItemShows the cache mode.Cache ModeValues: Enabled or DisabledFor non-external volumes, a hyphen (-) is shown.The resource group names and

DescriptionItemFor pool-VOLs other than for SS, a hyphen (-) is shown.The pool-VOL’s LDEV ID and LDEV name that containsthe pool’s management area.Poo