Hp XP P9500 Storage User Manual

HP XP P9000 Business Copy User GuideAbstractThis guide explains how to use HP XP P9000 Business Copy Software to create nondisruptive, high-speed inte

Initial and update copy operationsWhen you create a pair, the storage system executes an initial copy. When the pair is created,the storage system asy

C Configuration operations (secondary window)This appendix provides instructions for configuring Business Copy using the previous Remote WebConsole GU

7. Confirm that the volumes you want to reserve are shown, and selections, then click OK.The selected volumes display in the Preview List.8. When read

Setting performance optionsYou can enable and disable the following options that affect performance. See “System optionsthat affect performance” (page

D Pair operations (secondary window)This appendix provides instructions for performing pair operations using the previous Remote WebConsole GUI, which

• Because pair creation affects performance on the host, observe the following:Create a pair when I/O load is light.◦◦ Limit the number of pairs that

NOTE: The copy pace you assign is always reflected to any pairs that you added earlierand are still present in the Preview List. To maintain the copy

Prerequisite information• Pair status must be one of the following:PAIR when splitting an existing pair◦◦ SMPL when creating and immediately splitting

6. In the Pairsplit dialog box, proceed as follows:• Make sure that the pair or pairs that you want to split displays.• Select the SMPL volume to be t

Prerequisite information• On registering split time:◦ When you register the Split time, you can only perform Suspend or Delete pair operations.Split t

4. Select the pairs that you want to suspend (or the volumes whose pairs you want to suspend),right-click the selected pairs to display the menu, and

Figure 4 Update copy operationThough pair status is PAIR, data in the primary and secondary volumes may not be the samebecause update copying occurs a

Prerequisite information• For the Reverse Copy or Quick Restore operation, the pair must be in PSUS status.• When running a Quick Restore operation, m

3. In the tree for the Pair Operations window, select the port or host group where the pairs orvolumes are located.Related volumes display in the volu

Prerequisite information• A pair cannot be deleted in PSUS(SP)/PSUS status.• When a pair is created, the processor blade allocated to the P-VOL's

6. If you selected a pair that you do not want to delete, select the pair on the Pairsplit-S dialogbox, right-click, then click Delete. This removes t

E Monitoring and maintaining the system (secondarywindow)This appendix provides information and instructions for monitoring and maintaining the Busine

Supported operations and statuses are shown in the following tables.Pair operationPair StatusDelete pairsSuspend pairsResync pairs(reverse)Resync pair

3. From the volume list, select and right-click the volume or pair whose information you want tosee, then select Detail from the menu. The Detail dial

3. Select a pair or pairs, right-click, and select S-VOL Path from the menu. The S-VOL Path dialogbox displays. Field descriptions are provided below.

2. Right-click on the volume list, in any location, then select Information from the menu.The Information dialog box displays. Field descriptions are

DescriptionFieldDisplays license information used by Business Copy, and the total license capacityreserved for Business Copy. “Unlimited” displays whe

2 Requirements and planningThis chapter describes system requirements and recommendations for planning a Business Copysystem.System requirementsThe fo

4. If the information on the list is not updated, click File and then Refresh. The list will be updatedto the latest information.For operations involv

5. Select the pairs from which you want to remove the attribute, then click OK.The selected volumes display in the Preview List.6. To change a selecti

F Business Copy GUI reference (secondary window)This appendix describes the Business Copy windows and dialog boxes in the previous version ofthe Remot

DescriptionFieldNote: P-VOLs and S-VOLs listed in Remote Web Console may end in special symbols. AnLDEV number that ends with a pound or gate symbol (

DescriptionFieldP-VOL is paired with three S-VOLs, though just one P-VOL exists, the storage system assumesthat there are three P-VOLs. These “virtual

DescriptionField• CCC is the LU number• XX:YY:ZZ is the LDKC number:CU number:LDEV numberThe MU number of the BC pair formed with the P-VOL.MUS-VOL in

The filter settings you select are effective in the current session only. They reset when you selectanother software product.DescriptionFieldCache log

DescriptionFieldDate and time of the operation.DateThe LDKC:CU:LDEV of the P-VOL used in the operation.P-VOLThe LDKC:CU:LDEV of the S-VOL used in the

Option windowUse this window to set the Swap&Freeze, the HOST I/O Performance, Copy Threshold, and CopyPace options. See “System options that affe

Glossaryallocation The ratio of allocated storage capacity versus total capacity as a percentage. Allocated storagerefers to those logical devices (LD

RequirementItemMaximum number of pairs decreases if LUSE volumes are used.Consistency groups• You can configure up to 256 consistency groups in a stor

MU Mirror unit.OPEN-xA general term describing any of the supported OPEN emulation modes (for example, OPEN-E).There are two types of OPEN-x devices:

IndexSymbols3 Cnt Ac-J data center, sharing volumes with, 263 data center, sharing volumes with, 30Aadjusting pair configuration, 37AIX and Business C

RRAID level, 12RAID Managererror codes, 58pair statuses, 50requirements for, 12RAID Manager, Remote Web Console operations andsettings, 69related docu

Planning number of pairsThis section provides instructions for calculating the number of system resources required for oneBusiness Copy pair. With thi

Calculating the number of differential tables and pair tablesCalculations in the following sections assume only Business Copy is used in the system.Th

To calculate the maximum number of pairs allowed on your system without LUSE volumesUse the following formula:Σ {(α) x (the number of Business Copy pa

Therefore, you can see that 10 Business Copy pairs, which are formed by three OPEN-3, volumescan be created.Organizing volumes into primary volumes an

Planning for performancePair operations affect I/O performance on the storage system. The following information is providedto help calibrate your syst

consistency group pair-split at a specific timeWith a consistency group, you run operations and change pair status on a group of pairs.With the consis

© Copyright 2010, 2012 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or

The following takes place when you run the consistency group pair-split on shared ContinuousAccess Journal volumes:1. Cnt Ac-J restore journal data cr

Requirements, restrictions, and recommendationsObserve the following when using the consistency group pair-split with shared Cnt Ac-S or CntAc-J volum

3 Sharing Business Copy volumesBusiness Copy volumes can be shared with other HP software product volumes. This chapterdiscusses requirements, recomme

Snapshot pair statusBusiness Copy operationPSUERCPYCOPY2PSUS, PFUSPAIR, PFULCOPY1(pairsplit -E)YesYesYesYesYesYesDelete a pair(pairsplit -S)1. COPY st

However, a volume with the S-VOL Disable attribute cannot be used as a Business Copy secondaryvolume.• The only Business Copy operation you can perfor

ESAM pair statusBusiness Copy operationSSWSPSUSPSUEPAIRCOPYYesYesYesNoNoResynchronize a pair in reverse direction(pairresync -restore)YesYesYesNoNoQui

• You can use both L1 and L2 pairs with Cnt Ac-S volumes. Both node and leaf S-VOLs areconsidered secondary volumes by Cnt Ac-S.• The Quick Restore op

In these configurations, BC pair operations are dependent on the pair status of the ContinuousAccess Journal local-intermediate pair and the local-rem

Operations for BC pairs directly related to the delta resync pair—and Cnt Ac-J statusrequirements—are the same whether you perform the BC operation at

Table 10 BC operations — P-VOL shared with Cnt Ac-J S-VOL/P-VOL at intermediate siteBC operationsCnt Ac-Jintermed.-remotepair statusCnt Ac-Jlocal-inte

Contents1 Business Copy overview...7How Business Copy works...

Table 14 BC operations — P-VOL shared with Cnt Ac-J S-VOL/P-VOL at intermediate siteBC operationsCnt Ac-Jintermed.-remotepair statusCnt Ac-Jlocal-inte

Figure 10 Cnt Ac-J, Cnt Ac-S, and BC Shared Volume Configuration 2All BC operations, with the following exceptions, can be performed in the Cnt Ac-S a

4 Performing configuration operationsThis chapter provides instructions for configuring Business Copy.Configuration workflowSetup for Business Copy co

Related information• “Removing reserve attribute from a volume ” (page 55)System options that affect performanceYou can enable and disable the followi

3. In the System Options list, select the option you want and click Enable.4. Click Finish.5. In the Confirm window, enter a Task Name then click Appl

5 Performing pair operationsThis chapter provides instructions for performing pair operations using Remote Web Console. Alsoincluded is an operation f

Prerequisite information for creating pairs• Make sure that your volumes are set up for pairing. See “Planning pair volumes” (page 13)for details.• Vo

Example 2If you cascade the primary volume with one L1 S-VOL and one L2 S-VOL, the pair topology is1:1:1, as shown below.If you add the L2 secondary v

Figure 11 Example 4To achieve this configuration, specify 4 as the number of secondary volumes and 1:2:1 as the pairtopology (as shown below).Specify

4. Select the Emulation Type.5. In Number of Secondary Volumes, enter the number of secondary volumes according to theprimary volume with the highest

Check pair status ...35Pair creation .

12. Click Next.40 Performing pair operations

13. In the Select Secondary Volumes window, assign LDEVs as secondary volumes to the primaryvolume LDEV (or LDEVs) selected on the previous window. Pr

The storage system automatically suspends a pair when it detects an error condition related to anupdate copy operation, or when it cannot keep the pai

Prerequisite information for splitting pairs• Pair status must be one of the following:PAIR when splitting an existing pair.◦◦ SMPL, when creating and

4. In Copy Pace, select the pace at which data is to be copied, Slower, Medium, or Faster.Processing speed and system performance are affected by the

Types of resync operationPairs can be resynchronized from primary volume to secondary volume and from secondary volumeto primary volume, as follows:•

• For Reverse Copy or Quick Restore, the pair must be in PSUS status.• The pairresync normally takes less time when the pair is in PSUS status than wh

4. Select a Copy Pace, which is the rate that data is to be copied, Slower, Medium, or Faster.Processing speed and system performance are affected by

• When a pair is created, the processor blade allocated to the primary volume's LDEV is alsoallocated to the secondary volume's LDEV. When a

6 Monitoring and maintaining the systemThis chapter provides information and instructions for monitoring and maintaining the BusinessCopy system.Monit

B Business Copy GUI reference...71Replications window...

(For the RAID Manager status names, see “RAID Manager pair status names ” (page 50).S-VOL accessDescriptionRWC StatusN/AThe volume is not assigned to

RAID Manager pair status nameRemote Web Console pair status namePSUSPSUS(SP)/PSUSPrimary volume - PSUSPSUSSecondary volume - SSUSCOPYCOPY(RS)/COPYRCPY

Table 16 Supported L1 pair operations for related L2 StatusL1 pair operationL2 Pair StatusDelete pairsSuspend pairsResync pairsSplit pairsCreate pairs

Table 19 Leaf Vol Read/Write per L2 Pair StatusL2 pair statusPSUECOPY(RS)/COPYPSUSPSUS(SP)/PSUSCOPY(SP)/COPYPAIRCOPY(PD)/COPYRead onlyRead onlyRead/Wr

Related information• “View Pair Synchronous Rate window” (page 78)Monitoring consistency groupsYou can check the number of consistency groups and the

4. The Description column displays the operation that was run. The Descriptions are explainedbelow.ExplanationDescriptionCodeInitial copy began.PAIR S

Pair operations during system, device maintenanceThe following recommendations are provided for performing pair operations when maintenanceon P9500 an

7 TroubleshootingThis topic provides Business Copy troubleshooting information.General troubleshootingThe following table provides general troubleshoo

Procedure 7 To find and interpret an error1. Do one of the following:• If using the RAID Manager-window log, locate the error code you are investigati

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe pair operation was rejected because the current microcode version does not suppor

Removing reserve attribute from a volume ...120F Business Copy GUI reference (

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe quick restore operation was rejected because of one of the following:2097• The pr

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe pair operation was rejected because the volume specified as the primary volume wa

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe create pair operation was rejected because the volume specified as the primary vo

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe pair operation was rejected because the volume specified as the secondary volume

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe pair operation was rejected because the volume specified as the primary volume wa

Table 20 RAID Manager Error Codes (continued)DescriptionSSB2 codeThe pair operation was rejected because the secondary volume specified at the pair op

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

HP websitesFor additional information, see the following HP websites:• http://www.hp.com• http://www.hp.com/go/storage• http://www.hp.com/service_loca

Table 21 Document conventions (continued)ElementConventionMonospace text• File and directory names• System output• Code• Commands, their arguments, a

A Interface support for Business Copy operations andoptionsThis appendix lists Business Copy operations and options, and consistency group operations

1 Business Copy overviewUnless otherwise specified, the term P9000 in this guide refers to the following disk array:• P9500 Disk ArrayThe GUI illustra

Consistency group operations supported by Remote Web Console, RAIDManagerThe table below lists Business Copy consistency group (CG) operations and opt

B Business Copy GUI referenceThis appendix describes Business Copy windows and dialog boxes in Remote Web Console.Replications windowUse this window t

Summary tabDescriptionItemNumber of pairs for each local replication software typeNumber of PairsNumber of consistency groups whose status is other th

Pairs tabThe Pairs tab only displays pairs that have primary and/or secondary volumes that are allocatedto each user.DescriptionItemPrimary volume• LD

DescriptionItemThe pool has exceeded the threshold. Status name is:SS: PFULStatus, continued• This icon is used for the following:The pair is split. S

DescriptionItemDisplays Delete Pairs windowDelete pairs*When clicked, opens a dialog for downloading table information to a file.Export**Displays when

DescriptionItemConsistency group identifier. When clicked, opens the Consistency GroupProperties window.CTG IDPossible values include:Status• BC Used:

Pair Properties tabDescriptionItemType of pair:Copy Type• Business Copy• Snapshot• Business Copy for MainframePool name and ID.Pool Name (ID)A hyphen

DescriptionItemA hyphen (-) displays for Snapshot pairs.Mirror unit numberMirror UnitView Pair Synchronous Rate windowUse this window to view the perc

DescriptionItemMirror unit numberMirror UnitWhen clicked, updates the information in the Pairs table.RefreshView Histories windowUse this window to re

Figure 1 Business Copy configuration for Open and MainframeVolume pairs (primary volumes and secondary volumes)A pair consists of the primary and seco

Histories tableDescriptionItemOperation date and timeDatePrimary Volume (“Source Volume”for FC Z/FCSE)• LDEV ID: Primary/source volume’s LDEV identifi

Consistency Group Properties tableDescriptionItemConsistency group identifierCTG IDConsistency group statusStatus• BC Used: The consistency group is i

Create Pair wizardUse this wizard to create pairs.Create Pair windowUse this window to specify new pair details.For full information, see (page 38).Se

Select Primary Volumes windowUse this window to select LDEVs that will be primary volumes.DescriptionItemUse Primary Volumes of BC/SS Pairs• Yes means

DescriptionItem• Port ID: Port name of the LDEV’s LUN path• Host Group Name: Host group name of the LDEV’s LUN path• LUN ID: LUN ID of the LDEV's

DescriptionItemPrimary volume• LDEV ID: Primary volume’s LDEV identifier:• LDEV Name: Primary volume’s LDEV name• Port ID: Port name of the primary vo

DescriptionItemWhen clicked, allows you to sort the Select Pairs table according to the following:Sort Pairs button• Arrange in Mirror Unit: Data is d

Selected Pairs tableDescriptionItemPrimary Volume• LDEV ID: Primary volume’s LDEV identifier• LDEV Name: Primary volume’s LDEV name• Port ID: Port nam

Selected Pairs tableDescriptionItemPrimary volume• LDEV ID: Primary volume’s LDEV identifier• LDEV Name: Primary volume’s LDEV name• Port ID: Port nam

Selected Pairs tableThe same Selected Pairs table appears on the Confirm window and the Split Pairs window.DescriptionItemPrimary volume• LDEV ID: Pri

Figure 2 Structure of cascaded pairs• The P-VOL of the L1 pair is the “root volume”.• An S-VOL of the L1 pair is a “node volume”.• A P-VOL of an L2 pa

DescriptionItemSplit type list• Quick Split: Splits the pair immediately• Steady Split: After all differential data is copied, the pair is split.Speed

DescriptionItemSecondary volume• LDEV ID: Secondary volume’s LDEV identifier• LDEV Name: Secondary volume’s LDEV name• Emulation type: Secondary volum

Selected Pairs tableDescriptionItemPrimary volume• LDEV ID: Primary volume’s LDEV identifier• LDEV Name: Primary volume’s LDEV name• Emulation type: P

Confirm windowSelected Pairs tableDescriptionItemPrimary volume• LDEV ID: Primary volume’s LDEV identifier• LDEV Name: Primary volume’s LDEV name• Emu

DescriptionItemThe date and time that a snapshot was acquired.Snapshot DateA hyphen (-) displays for non-Snapshot pairs.Pool name and ID number.Pool N

Delete Pairs windowUse this window to delete pairs.For full information, see (page 48).Selected Pairs tableDescriptionItemPrimary volume• LDEV ID: Pri

Setting fieldsDescriptionItemMirror unit number assigned to L1 and L2 volumes (BC/SS only). For moreinformation, see the step on MU number in (page 38

Selected LDEVs tableDescriptionItemSelected reserved volume’s LDEV identifierLDEV IDSelected reserved volume’s LDEV nameLDEV NameSelected reserved vol

Selected Reserve Volumes tableDescriptionItemSelected reserved volume’s LDEV identifierLDEV IDSelected reserved volume’s LDEV nameLDEV NameSelected re

BC/SS System Options tableDescriptionItemOptions that can be changed:System Option• Swap & Freeze• Host I/O Performance• Copy Pace Ext. Slower1• C