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

SelectingandRestoringaJournalattheSecondaryStorageSystem............ 31
PairStatus ........................................ 32
SplitTypes(PSUS) ................................... 35
SuspendTypes .................................... 37
SuspensionConditions................................. 38
3PreparingforContinuousAccessJournalOperations ......... 41
Configuring the Primary Storage Systems and Secondary Storage Systems for Continuous Access Journal
Transferring Business Tasks from a Continuous Access Secondary Site to the Primary Site (in a
Transferring Business Tasks from the Continuous Access Secondary Site to the Primary Site (in a
Recovering from Failures at the Primary Site and the Continuous Access Synchronous Secondary
Transferring Business Tasks from the Continuous Access Journal Secondary Site to the Primary Site 67
Factors that Determine the Data Transfer Speed between the Primary Storage System and the Secondary
RequirementsandRestrictions ................................ 41
SystemRequirements.................................. 41
One-to-OneVolumeCopyOperations .......................... 42
LogicalUnit(LU)Types ................................. 42
MaximumNumberofPairs ............................. 44
JournalGroups .................................... 45
Accessing Continuous Access Journal Primary Data Volumes and Secondary Data Volumes . . . . 46
CacheandNonvolatileStorage(NVS) .......................... 46
HostFailoverSoftware ................................. 46
DuplicateVolumes................................... 46
InstallingtheHardware................................... 47
SettingupRemoteCopyConnections........................... 47
Operations........................................ 49
EnablingtheContinuousAccessJournalOption ........................ 50
InteroperabilitywithOtherProductsandFunctions ....................... 50
LUSE......................................... 52
VirtualLUN...................................... 53
CacheResidencyManager ............................... 53
LUNManager..................................... 53
BusinessCopy..................................... 53
Continuous Access Synchronous (3DC Cascading Configuration)............... 58
BasicBehavior .................................. 59
Hardware Configuration .............................. 60
SetupProcedure.................................. 60
Continuous Access Synchronous (3DC Multi-target Configuration)............... 61
Hardware Configuration .............................. 62
SetupProcedure.................................. 63
Changing to a 3DC Multi-target Con figuration after Recovering from Primary Site Failures . . 63
3DC Cascading Configuration) ........................... 64
3DC Multi-target Configuration) ........................... 65
Site ....................................... 66
DataRetentionUtility.................................. 68
PerformanceMonitor.................................. 69
PlanningofJournalVolumes................................. 70
DataTransferSpeedRequiredforJournalVolumes ..................... 70
RAID Group Configuration and Journal Group Configuration................. 71
ArrangingJournalVolumes ............................... 71
JournalVolumeCapacity ................................ 72
JournalVolumesinRestoreJournalGroups......................... 72
StorageSystem ...................................... 73
BandwidthofDataTransferPaths ............................ 73
JournalTransferSpeedoftheDKC............................ 74
Performing Remote Copy Bet ween an HP XP12000 Disk Array and an HP XP24000 Disk Array . . . . 74
Logical Storage System (LDKC) that can be Connected to an HP XP12000 Disk Array . . . . . . 74
VolumethatcanBeUsedtoCreatePairs ......................... 75
ConnectionwithanHPXP12000DiskArrayfora3DCRemoteCopyConfi guration....... 75
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