Hitachi ShadowImage for z/OS user guide (HIT9503-96009, January 2008)

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Contents

AboutthisGuide .......................... 9

Intendedaudience...................................... 9

Relateddocumentation.................................... 9

ProductVersion ...................................... 10

DocumentConventions................................... 10

ConventionforStorageCapacityValues............................ 10

HPTechnicalSupport..................................... 11

1OverviewofHPSolutions...................... 13

HitachiShadowImageforz/OS............................... 13

HitachiTrueCopyforz/OS ................................. 13

HitachiUniversalReplicatorforz/OS............................. 14

HPStorageWorksforBusinessContinuityManager....................... 14

HPStorageWorksforCompatibleReplicationXRC ....................... 14

ConcurrentCopy(CC) ................................... 15

2 Overview of Hitachi ShadowImage for z/OS Operations . . . . . . . . 17

HitachiShadowImageforz/OSComponents ......................... 17

VolumePairs(S-VOLsandT-VOLs) ............................ 18

HitachiShadowImageforz/OSSoftware......................... 19

PurchasingVolumesforUsewithHitachiShadowImageforz/OS............... 19

PPRCHostSoftwareFunctions.............................. 21

RequirementsforUsingandMaintainingHitachiShadowImageforz/OS ............. 21

RequirementsforUsingHitachiShadowImageforz/OS................... 21

RequirementsforMaintainingHitachiShadowImageforz/OSPairs.............. 22

CalculatingMaximumNumberofPairs.......................... 23

HitachiShadowImageforz/OSOperations.......................... 25

SetReserveAttributeOperation ............................. 25

ResetReserveAttributeOperation ............................ 25

AddPairOperation .................................. 26

InitialCopyOperation ............................... 26

UpdateCopyOperation .............................. 27

SplitPairOperation .................................. 28

CopyPace .................................... 28

SplitType..................................... 28

Re-synchronizePairOperations(Normal,Quick,Reverse,QuickRestore)............ 30

ForwardPairresyncOperation............................ 30

BackwardPairresyncOperation ........................... 31

PairStatusandTimeRequiredforPairresync...................... 36

SuspendPairOperation ................................ 36

DeletePairOperation ................................. 37

HitachiShadowImageforz/OSOptions ........................... 37

Swap&FreezeOption................................. 38

HostI/OPerformanceOption.............................. 39

FCv2SlowerCopy1Option............................... 39

FCv2SlowerCopy2Option............................... 40

At-TimeSplitFunction.................................... 40

HitachiShadowImageforz/OSPairStatus .......................... 42

CautionsonSwitchingOffPowerSupply ........................... 46

CautionsonUsingXP10000StorageSystem.......................... 47

Hitachi ShadowImage for z/OS user guide