
Contents
AboutthisGuide .......................... 11
IntendedAudience...................................... 11
RelatedDocumentation.................................... 11
DocumentConventions.................................... 11
ConventionsforStorageCapacityValues ............................ 11
WindowIllustrations.................................... 12
HPTechnicalSupport.................................... 12
SubscriptionService .................................... 12
HPWebsites ....................................... 12
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1OverviewofHPStorageWorksXPExternalStorageSoftware. . . . . . . 13
UnifyingCopyOperationsbetweenDifferentStorageSystems .................. 13
UnifyingConnectionsfromaHosttoDifferentStorageSystems.................. 14
2AboutExternalStorageOperations ................. 17
ConnectingExternalStorageSystem ............................. 17
ExternalStorageComponents................................ 18
StorageSystemsandCross-subsystemPaths ........................ 19
VolumesandMappingPaths .............................. 19
ExternalStorageOperations................................. 20
ConfiguringExternalStorage ................................ 20
ChoosingtheExternalPort ............................... 21
ChoosingandMappingExternalVolumes......................... 21
RegisteringaVolumetoanExternalVolumeGroup(ExG) .................. 21
ConfiguringExternalVolumeAttributes .......................... 22
Cross-subsystemPaths ................................. 23
PathMode .................................... 23
ExamplesofAlternatePaths............................. 23
ExamplesofSwitchingI/OExecutionPathstoAlternatePaths............... 25
ConnectingMainframeVolumes............................. 29
ConnectingOpenSystemsVolumes............................ 30
ChoosingMappingPolicy.................................. 30
DifferencebetweenAutomaticMappingandManualMapping................ 30
PortDiscoveryandVolumeDiscovery........................... 30
UsingaMappedExternalVolumefromaConnectedHost.................... 31
StoringNewDataintheMappedExternalVolume..................... 31
UsingExistingDataintheMappedExternalVolume .................... 32
InteroperabilitywithotherProductsandFunctions........................ 33
HPStorageWorksXPLUNManager ........................... 33
HPStorageWorksXPLUNExpansion(LUSE)........................ 33
HPStorageWorksXPVirtualLVI/LUN(VLL)......................... 34
CacheResidencyManager ............................... 34
HP StorageWorks XP Performance Monitor and HP StorageWorks XP Auto LUN Software . . . . . 34
HPStorageWorksXPContinuousAccessSoftware ..................... 34
TrueCopyforMainframe ................................ 34
HPStorageWorksXPContinuousAccessJournalSoftware.................. 34
UniversalReplicatorforMainframe............................ 35
HPStorageWorksXPBusinessCopySoftware ....................... 35
ShadowImageforMainframe .............................. 35
XP24000 External Storage Software User’s Guide
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