Hp XP Racks User Manual

HP XP7 Business Copy for MainframeSystems User GuideAbstractThis document provides instructions for setting up, planning, and operating Business Copy

Related topics• “Splitting BC Z pairs” (page 48).10 Business Copy Z overview

Consistency group pair user tasks using IBM PPRCWith IBM PPRC, you can set up, split, resynchronize, and delete pairs in a CG, which performsthe user

1. Delete all of the pairs in the CG. To do this, run one of the following commands:• (For PPRC) CDELPAIR• (For PPRCOPY) PPRCOPY DELPAIRAll of the pai

If you run the CQUERY TSO PPRC command to the S-VOL in a CG, the output for the SECONDARYserial number is shown in the following format:00|S|@|000|301

The following table shows the field descriptions of the output resulting when you run the CQUERYTSO PPRC and QUERY ICKDSF PPRCOPY commands.Description

DescriptionFieldInvalid for BC/SS; “100%” is shown.PERCENT OF COPYCOMPLETEInvalid for BC/SS, not valid content.SUBSYSTEMInvalid for BC/SS, not valid c

B Interface support for BC Z user tasks and optionsThis appendix lists BC Z user tasks and options, and BC Z CG user tasks and options, and theinterfa

Supported Business Copy Z consistency group user tasks and optionsThe following table lists BC Z CG user tasks and options that RWC and BCM/IBM PPRC s

IBM PPRCBCMSystem OptionCG user taskICKDSF commandTSO commandNO3NO2YKMAKE1Copy pacePPRCOPY ESTPAIRCESTPAIRYKMAKEUser specifies the CTG IDNONONOSystem

C Business Copy Z GUI referenceThis appendix describes BC Z windows and dialog boxes in the RWC.Replication windowUse this window to view pair informa

DescriptionItemClick to open the Histories window for remote replication.View Histories button (for RemoteReplication)Click to open the Edit Local Rep

2 Business Copy Z system requirements and planningThis chapter describes system requirements and planning tasks for BC Z storage systems.Business Copy

DescriptionItemValues:• Model/Serial Number: The model type and serial number of the virtual storagemachine.• LDEV ID: The identification number of th

Summary sectionThe following table shows the items in this section of the Local Replication window.DescriptionItemThe number of pairs for each local r

The following table shows the items on this tab.DescriptionItemThe P-VOL information.Primary VolumeValues:• LDEV ID: The P-VOL’s LDEV identifier.Click

DescriptionItem• Virtual Device Name*: The name of the P-VOL’s virtual device, in a combinedformat of “virtual emulation type”, “number of virtual LUS

DescriptionItemIf you have not set a copy pace, this item is blank.The identifier of the consistency group to which the BC/SS/BC Z pair is assigned.CT

The following table shows the items on this tab.DescriptionItemThe P-VOL information.Primary VolumeValues:• LDEV ID: The P-VOL’s LDEV identifier.Click

DescriptionItemClick to show options.More ActionsOptions:• View Pair Synchronous Rate: Click to open the View Pair Synchronous Ratewindow.• View Pair

DescriptionItem• Mainframe Reserved: The CG is reserved for use with BCM or IBM PPRC.• Free: The CG is not being used and is not reserved.• (Changing.

Pair Properties sectionThe following table shows the items in this section of the View Pair Properties window.DescriptionItemThe type of pair.Copy Typ

DescriptionItemThe S-VOL information.Secondary VolumeValues:• LDEV ID: The S-VOL’s LDEV identifier.• LDEV name: The S-VOL’s LDEV name.• Provisioning t

RequirementItemFor more information about sharing volumes, see “Sharing Business Copy Z volumes”(page 25).You cannot use the following volumes as pair

DescriptionItemThe system option that determines the rate at which you want the XP7 storage systemto copy data.The mirror unit number.Mirror UnitView

DescriptionItem• CLPR: The P-VOL’s CLPR number.• Virtual Storage Machine: The model type and serial number of the virtualstorage machine to which the

DescriptionItemThe mirror unit number.Mirror UnitClick to update the information in the Pairs table.Refresh buttonHistories windowUse this window to m

DescriptionItemThe S-VOL information.Secondary VolumeValues:• LDEV ID: The S-VOL’s LDEV identifier.• Provisioning type: The S-VOL’s provisioning type,

Histories table for Compatible FlashCopy or Compatible FlashCopy SEThis table is shown on the FC Histories window. Only tasks performed on the pairs c

Consistency Group Properties tableThe following table shows the items in this table.DescriptionItemThe BC Z pair’s CG identification number.CTG IDThe

DescriptionItem• Capacity: The P-VOL’s volume capacity.• CLPR: The P-VOL’s CLPR number.• Virtual Storage Machine: The model type and serial number of

DescriptionItemThe mirror unit number.Mirror UnitClick to open the Pair Properties window.Detail buttonCreate Pairs wizardUse this wizard to create pa

DescriptionItemBC and BC Z only.Split TypeThe split type.Values:• Non Split: The pair is not split.• Quick Split: The pair is split and then the data

Available LDEVs tableThis table is shown on the Select Primary Volumes window.The following table lists the items in this table.DescriptionItemThe LDE

S-VOLP-VOL3390-3• 3390-3• 3390-3A• 3390-3B• 3390-3C3390-3A• 3390-3• 3390-3A3390-3B• 3390-3• 3390-3B3390-3C• 3390-3• 3390-3C3390-9• 3390-9• 3390-9A• 33

DescriptionItemThe LDEV’s provisioning type.Provisioning TypeValues:• Basic: Internal volume• DP: DP-VOL• External: External volumeBC and BC Z only.Em

DescriptionItemValues:• Selected: Paired volumes are not shown in the list.• Cleared: Paired volumes are shown in the list.Default: SelectedBC and FS

DescriptionItem• External: External volume• Snapshot: FS volumeThe LDEV’s CLPR number.CLPRBC only.Number of Secondary VolumesThe number of S-VOLs that

DescriptionItemBC and BC Z only.Mirror UnitThe mirror unit number.BC and BC Z only.Split TypeThe split type.Values:• Non Split: The pair is not split.

Selected Pairs tableThe following table shows the items in this table in the Confirm window of the Create Pairs wizard.DescriptionItemThe P-VOL inform

DescriptionItemValues:• Slower: Improved host I/O performance but slower processing speed.• Medium: Average processing speed and host I/O performance.

DescriptionItemValues:• LDEV ID: The P-VOL’s LDEV identifier.• LDEV Name: The P-VOL’s LDEV name.• Emulation Type: The P-VOL’s emulation type.• Capacit

Selected Pairs tableThe following table shows the items in this table in the Confirm window of the Split Pairs wizard.DescriptionItemThe P-VOL informa

DescriptionItemValues:• Slower: Improved host I/O performance but slower processing speed.• Medium: Average processing speed and host I/O performance.

Selected Pairs tableThe following table shows the items in this table in the Resync Pairs window of the Resync Pairswizard.DescriptionItemThe P-VOL in

S-VOLP-VOL3390-MB•3390-MC• 3390-M• 3390-MA3390-A3390-ANone supported3390-VRelated topics• “Determining capacity of BC Z pairs in XP7 workflow” (page 1

Confirm windowThe following image shows this window of the Resync Pairs wizard.Selected Pairs tableThe following table shows the items in this table i

DescriptionItemBC and BC Z only.Copy PaceThe system option that determines the rate at which you want the XP7 storagesystem to copy data.Values:• Slow

DescriptionItem• Capacity: The P-VOL’s volume capacity• CLPR: The P-VOL’s CLPR numberThe types of pairs.Copy TypeValues:• BC-L1: BC/SS L1• BC-L2: BC/S

DescriptionItemValues:• LDEV ID: The P-VOL’s LDEV identifier• LDEV Name: The P-VOL’s LDEV name• Emulation Type: The P-VOL’s emulation type• Capacity:

Change Options dialog boxUse this dialog box to change the split type and copy pace for all new pairs that you create.For more information about how t

This window includes the following tables:• Available Consistency Groups table• Selected Consistency Group tableFor more information about using this

The following table shows the items on the Selected Consistency Groups table.DescriptionItemThe BC Z pair’s CG identification number.CTG IDThe status

Edit Local Replica Options windowUse this window to specify options that affect host I/O performance. This is the first window of theEdit Local Replic

DescriptionItemfor FC Z or FCSE) remains unchanged, and differential data is not copied tothe new S-VOL.Default status: Disabled• HOST I/O Performance

BC/FS or BC/SS Z/FC Z/FCSE System Options tableThe following table shows the items in this table.DescriptionItemOptions that you can change.System Opt

Software applications that use tablesThe following XP7 software applications use differential tables:• Business Copy• Auto LUNThe following XP7 softwa

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

to be associated with 1 to 36 LDEVs. Essentially, LUSE makes it possible for applications to accessa single large pool of storage.M-VOL Main volume.MC

IndexAadjusting pair configuration, 44BBC, BC Z - role required to perform operations, 31BCM, requirements for, 11Business Continuity Manager, 23CCach

quick split, 17, 49RRAID level, 11RAID Managerdescription, 8error codes, 80pair statuses, 68requirements for, 11related documentation, 88releasing a r

• Run the following RAID Manager or BCM command:inqraidFor more information about running this command, see the HP XP7 RAID Manager User Guideand the

• Use the following formula:Σ(α) ≤ (β)and Σ(γ) ≤ (δ)where:• Σ(α): The total number of differential tables per pair.For more information about the tota

Related topics• “Splitting BC Z pairs” (page 50).• “Pair splitting methods” (page 49).Performance planning and calibrating your XP7 storage systemPerf

Use the following guidelines to maximize host I/O performance:• If you are creating BC Z pairs, complete one or more of the following:Create the pair

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

Splitting pairs using consistency groupsA consistency group lets you perform tasks and change pair status on a group of BC Z pairs. Withconsistency gr

1. Cnt Ac-J Z restores the journal data that was created before you restored the split time to CntAc-J Z S-VOLs (BC Z P-VOLs).NOTE: If a BC Z pair is

GuidelinesIf you are sharing BC Z P-VOLs with Cnt Ac-S Z or Cnt Ac-J Z S-VOLs, use the following guidelineswhen performing a CG pair-split:• Maintain

The following are examples of when you can perform a CG pair-split based on status of the BC Zpairs in the CG:• Example 1The are six BC Z pairs in a C

• IBM PPRC, see the IBM documentation.• RAID Manager, see “RAID Manager” (page 8).Preparing Business Continuity Manager command devices workflowUse th

3 Sharing Business Copy Z volumesYou can share BC Z volumes with other HP software application volumes. This chapter discussesthe requirements, restri

• Auto LUN.For more information about sharing volumes with Auto LUN, see “Sharing volumes with AutoLUN” (page 28).• Volume Retention.For more informat

Related topics• “Reverse resynchronization” (page 56).Sharing volumes with Concurrent CopyYou can share BC Z S-VOLs with a Concurrent Copy primary vol

NOTE: If you are using PPRC, the storage system cannot distinguish pairs that you have split(“Split/SUSPOP” status) from pairs that are in the process

Assigning BC Z volumes to volumes reserved for Auto LUN workflowUse the following workflow to assign BC Z volumes to volumes reserved for Auto LUN:1.

Contents1 Business Copy Z overview...7Hardware and software components...

The following table shows whether you can perform BC Z pair and reserve attribute change tasksfor volumes for which you set access attributes using Vo

4 Configuring Business Copy ZThis chapter provides instructions for configuring BC Z.Workflow for setting up Business Copy ZSet up BC Z before you cre

• “Releasing reserved mainframe consistency groups” (page 33).• For more information about CG pair-split, see “Workflow for consistency group pair-spl

5. In the Confirm window of the Reserve Mainframe CTGs wizard, for Task Name, type a namefor the task and then click Apply.The CG is reserved.Releasin

3. In the Release Reserved Mainframe CTGs window, for Task Name, type a name for the taskand then click Apply.The reserved CG is released.System optio

NOTE: This processing-suppression/performance-improvement level requires more timeto synchronize when you split a pair, which prolongs the time that t

3. In the Edit Local Replica Options window of the Edit Local Replica Options wizard, completethe following and then click Finish:• For System Type, e

5 Managing Business Copy Z pairsThis chapter provides instructions for completing BC Z pair user tasks using the RWC and informationon ATTIME Suspend

BC Z pair creationWhen you create a pair, the XP7 storage system performs an initial copy to copy data in the P-VOLto the S-VOL. You can create the BC

• If the P-VOL is already paired with other S-VOLs (“DUPLEX” status), you have determined thatthe status of existing S-VOLs is in the status that is r

Business Copy Z volume access attribute setting using Volume Retention...29BC Z pair tasks and reserve attribute chan

3. In the Select Pair Configuration window of the Create Pairs wizard, complete the followingand then click Next:• For Copy Type, select Business Copy

4. In the Select Primary Volumes window of the Create Pairs wizard, complete the following:1. In the Available LDEVs table, select the LDEV you want t

• (Optional) To sort the Selected Pairs table, click Sort in the middle-left.• (Optional) To change the split type and the rate at which data is copie

Suppressing update copy operations during pair creationYou can suppress update copy operations after you create pairs. Suppressing update copyoperatio

Example 3: Workflow for simultaneously creating a pair with two S-VOLs and another withone S-VOLThis example shows how to simultaneously create two pa

2. In the Select Primary Volumes window of the Create Pairs wizard, select the two LDEVs youwant to use as the P-VOLs and then click Next.3. In the Se

1. In the RWC main window, in the resource tree, click Replications > Local Replication > BCPairs.2. In the BC Pairs tab, select the pair that y

Related topics• “BC Z pair creation” (page 38).Changing BC Z pair optionsYou can change the default setting for the Split Type and Copy Pace system op

3. In the Change Options dialog box, complete the following and then click OK:• For Split Type, select a split type.Values:- Non Split: The pair is no

• “BC Z pair resynchronization” (page 55).• “Sharing volumes with Auto LUN” (page 28).• “Workflow for ensuring data consistency” (page 49).• “Split Pa

Unaffected S-VOL status and pair user tasks...69Monitoring BC Z pair, volume detail

1. Ensure the pair is not paired (“DUPLEX” status).2. Complete the update copy with a host I/O.3. Stop write operations from the host server to the P-

3. In the Split Pairs window of the Split Pairs wizard, complete the following and then click Finish:• For Split Type, select the split type.Values:-

4. In the Confirm window of the Split Pairs wizard, complete the following and then click Apply:• For Task Name, type a name for the task.Default: dat

NOTE: If you are sharing BC Z P-VOLs with Cnt Ac-S Z or Cnt Ac-J Z S-VOLs, for moreinformation about the requirements and restrictions for using CG pa

Restrictions for consistency group pair-splitConsistency group (CG) pair-split has the following restrictions:• To perform a CG pair-split on BC Z pai

Workflow for ensuring snapshot data is consistent with P-VOL dataUse the following workflow to ensure the snapshot data is consistent with the P-VOL d

Related topics• “Forward resynchronization” (page 56).• “Reverse resynchronization” (page 56).Forward resynchronizationYou can use one of the followin

For more information about sharing volumes with Concurrent Copy, see “Sharing volumeswith Concurrent Copy” (page 27).• Quick Restore (Secondary > P

NOTE: The pair can also be in the process of being Quick Split (“V-Split/SUSPVS” status).3. (Optional) If you are concerned about host I/O performance

pairresync1. In the RWC main window, in the resource tree, click Replications > Local Replication > BCPairs.2. In the BC Pairs tab of the Local

C Business Copy Z GUI reference...108Replication window...

- Quick Resync (Primary > Secondary): A partial forward resynchronization.- Reverse Copy (Secondary > Primary): A full restoration of the P-VOL

Related topics• “Resync Pairs wizard” (page 138).• “Types of pair resynchronization” (page 55).• “System options that affect performance” (page 34).Su

Workflow for deleting BC Z pairsUse the following workflow to delete an BC Z pair:1. Ensure that all of the write I/O operations to the P-VOL have com

3. In the Delete Pairs window, complete the following and then click Apply:• For Task Name, type a name for the task.Default: date-window nameCharacte

6 Monitoring and maintaining Business Copy ZThis chapter provides information and instructions to monitor and maintain the BC Z system.Monitoring the

• In the RWC main window, in the resource tree, click Replication.Monitoring BC Z pair activity and statusMonitor the BC Z pair activity and status to

2. In the summary section of the Local Replication page, view license information. (Optional) Ifthe information in the window is not up to date, click

S-VOL accessP-VOL accessHost statusDescriptionPair statusRead andwrite. Can bevaried online.Read/write-enableP-VOL = “PPRI-PNDG”S-VOL = UnpairedThe pa

Related topics• “RAID Manager pair status names” (page 68).RAID Manager pair status namesBCM pair status names can match the RWC pair status names.The

Related topics• “Unaffected S-VOL status and pair user tasks” (page 69)Unaffected S-VOL status and pair user tasksThe BC Z pair user tasks you can per

1 Business Copy Z overviewBusiness Copy for Mainframe, also known as Business Copy Z (BC Z), uses local mirroringtechnology to create and maintain a f

2. In the BC Pairs tab, select the pair and then click More Actions > View Pair Properties.3. In the View Pair Properties window, view the pair pro

1. In the RWC main window, in the resource tree, click Replication > Local Replication > BC Pairs.2. In the BC Pairs tab, select the pair and th

3. On the View Pair Synchronous Rate window, click Refresh View to show the latest synchronousrate.NOTE: If you close the window, information in the L

Related topics• “Local Replication window” (page 110)Viewing consistency group properties1. In the RWC main window, in the resource tree, click Replic

3. In the Consistency Group Properties window, view the CG’s properties, such as groupinformation for local replication.Viewing a list of Fast Snap pa

Related topics• “Local Replication window” (page 110).Monitoring pair user task historyYou can review a history of the user tasks you have completed o

1. In the RWC main window, in the resource tree, click Replication.2. In the Replication window, click View Histories.3. In the Histories window, for

Pair user tasks during system and device maintenanceCheck the following to determine whether pairs and pair user tasks are affected when you performma

7 Troubleshooting Business Copy ZThis topic provides BC Z troubleshooting information.BC Z pair tasks and display troubleshootingThe following table p

to BC Z tasks. The SIMs reported to the zSeries and S/390 host are logged in the SYS1.LOGRECdataset of the host operating system.SIMs are classified a

For more information about IBM PPRC, see the IBM documentation regarding IBM PPRC.• IBM DFSMSdss host software functionsFor more information about IBM

It was rejected due to SKEY=0x05, ASC=0x20,SSB=0xB9E1,0xB901 onSerial#(64015)SSB1 code: B9E1SSB2 code: B901• (If you are using RAID Manager or BCM ope

DescriptionSSB2 codeBecause the specified P-VOL was also a Cnt Ac-J Z P-VOL for delta resync, one of the following errorsoccurred:2078• The Reverse Co

DescriptionSSB2 codeThe emulation type of the P-VOL was 3390-A, and the pair task is rejected because of one of thefollowing reasons:20C9• Mainframe F

DescriptionSSB2 code• The pair task was rejected because the specified P-VOL and S-VOLs were a Compatible FlashCopypair.• The reverse resynchronizatio

DescriptionSSB2 codeThe pair task was rejected because the emulation type of the specified P-VOL is different from theemulation type of the S-VOL.2336

DescriptionSSB2 codeThe pairresync RAID Manager command was rejected because the volume you specified as theS-VOL is the P-VOL of the splitting pair.2

DescriptionSSB2 codeThe reverse resynchronization was rejected because the volume you specified is the P-VOL for XRC.23A8The pair was not restored bec

If you cannot change the status, the Pairsplit RAID Manager command can end abnormallywith the error code EX_EWSTOT, which indicates timeout occurrenc

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

Initial and update copy operationsCreating a pair initiates XP7 to start the initial copy. During the initial copy, the P-VOL remainsavailable for rea

Table 1 Document conventions (continued)ElementConventionMonospace text• File and directory names• System output• Code• Commands, their arguments, an

A Business Copy Z pair user tasks using IBM PPRCThis appendix includes IBM PPRC requirements, commands, and examples. You can perform BCZ pair user ta

Because BC Z and Cnt Ac-S Z support PPRC, a failure to meet these requirements can result in aPPRC command being run on a Cnt Ac-S Z pairs instead.Per

CESTPAIR parameters and examplesThe following table describes the CESTPAIR PPRC command parameters used to create pairs.DescriptionValueParameterNADev

DescriptionValueParametersUNITADDRESS = ccuu = device number.name of the JCL statement which identifies thevolume.You must use these parameters to suc

• Run the one of the following commands to the P-VOL:• (For PPRC) CSUSPENDFor more information about the parameters and examples for using this comman

DescriptionValueParametersNot used by BC Z.Not ApplicablePRIMANAP-VOL or S-VOL CU number.LSS* If you are in the process of copying the pair (“PENDING”

DescriptionValueParameterNot used by BC Z.Not applicableCRITMSGREQ function is applicable.YESMSGREQ(For a resync request on all pairs in a CG) Topreve

DescriptionValueParametersRe-establish a split or suspended pair.RESYNCMODECopy speed is medium, regardless what isspecified for the PACE parameter.1-

Related topics• “Splitting pairs with CSUSPEND and PPRCOPY SUSPEND” (page 94).CDELPAIR parameters and examplesThe following table describes the CDELPA