HP StorageWorks XP24000 Continuous Access Journal Software User and Reference Guide, v01 (T5278-96001, June 2007)

ManualsBrandsHP ManualsSoftwareHP StorageWorks Continuous Access XP Media

Contents

AboutthisGuide ......................... 11

IntendedAudience..................................... 11

RelatedDocumentation................................... 11

DocumentConventions................................... 11

ConventionsforStorageCapacityValues ........................... 11

WindowIllustrations.................................... 12

HPTechnicalSupport.................................... 12

SubscriptionService .................................... 12

HPWebsites ....................................... 12

Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1OverviewofHPStorageWorksXPContinuousAccessJournalSoftware . 15

ContinuousAccessJournal ................................. 15

BusinessCopyandShadowImageforMainframe........................ 16

HPStorageWorksXPContinuousAccessSoftwareandTrueCopyforMainframe .......... 16

2AboutContinuousAccessJournalOperations ............ 17

FunctionalityOverview................................... 17

JournalObtain .................................... 18

JournalCopy ..................................... 18

JournalRestore .................................... 18

ContinuousAccessJournalComponents............................ 19

StorageSystems.................................... 20

ContinuousAccessJournalSoftware ........................... 21

LogicalDiskControllers................................. 21

Main and Remote Control Units (Primary Storage Systems and Secondary Storage Systems) . . . . 21

ConsistencyGroups .................................. 22

RemoteCopyConnections ............................... 23

InitiatorPortsandRCUTargetPorts............................ 24

JournalGroups .................................... 24

DataVolumePairs................................... 24

JournalVolumes.................................... 25

NumberofJournalVolumes............................. 25

SpeciﬁcationsforJournalVolumes .......................... 25

RestrictionsonJournalVolumes ........................... 25

JournalVolumeAreas ............................... 26

HostFailoverSoftware ................................. 26

ContinuousAccessJournalRemoteCopyOperations ...................... 26

InitialCopyOperation ................................. 27

UpdateCopyOperation ................................ 28

JournalGroupOperations ............................... 28

JournalGroupOperations ............................. 28

ReadandWriteI/OOperationsDuringContinuousAccessJournalOperations......... 29

SecondaryDataVolumeWriteOption .......................... 29

DifferenceManagement ................................ 29

JournalProcessing..................................... 30

JournalProcessingatthePrimaryStorageSystem...................... 30

TypesofJournals ................................. 31

JournalProcessingattheSecondaryStorageSystem .................... 31

StoringJournalsattheSecondaryStorageSystem ................... 31

XP24000 Continuous Access Journal Software User and Reference Guide