Software User Manual

Contents
Aboutthisguide .......................... 11
Supported storage platforms and firmware............................ 11
Intendedaudience...................................... 11
Prerequisites ........................................ 11
Relateddocumentation.................................... 11
Documentconventionsandsymbols ............................. 12
HPtechnicalsupport.................................... 12
Subscriptionservice .................................... 13
HPwebsites ....................................... 13
Documentationfeedback .................................. 13
1Overviewofconnectingexternalarrays................ 15
ExternalStorageXPfeatures................................. 15
2PreparingforExternalStorageXPoperations ............. 17
Systemrequirements .................................... 17
Storagearraysthatcanbeconnectedasexternalarrays................... 17
ExternalStorageXPrequirements............................... 21
InstallingExternalStorageXP ................................ 21
PreparingforExternalStorageXPsettings........................... 21
Externalports..................................... 22
External LU to be mapped . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ExternalLUgroups................................... 22
ExternalLUattributessetbymapping........................... 22
Alternatepaths .................................... 24
Example of an alternate path configuration ...................... 24
ExamplesofswitchingI/Oexecutionpathstoalternatepaths............... 26
Poweringarraysonoroff.................................. 30
Poweringlocalarraysonoroff ............................. 31
Topowerlocalarraysoff.............................. 31
Topowerlocalarrayson.............................. 32
Poweringexternalarraysonoroff ............................ 32
Topowerexternalarraysoff............................. 32
Topowerexternalarrayson............................. 32
TurningOnorOffPowerSupplyofBothlocalandexternalarrays............... 33
UsingmappedexternalLUsfromthehostconnectedtothelocalarray............... 34
WritingnewdatatomappedexternalLUs......................... 34
Using existing data in mapped external LUs . . . . . . . . . . . . . . . . . . . . . . . . 35
UninstallingExternalStorageXP............................... 36
LimitationsonExternalStorageXPoperations ......................... 37
CombiningExternalStorageXPwithotherHPStorageWorksproducts............... 42
UsingexternalLUsforAutoLUNXPoperations....................... 44
UsingexternalLUsforContinuousAccessXPoperations................... 45
UsingexternalLUsforContinuousAccessXPJournaloperations................ 46
UsingexternalLUsforBusinessCopyXPoperations..................... 48
UsingexternalLUsforSnapshotXPoperations....................... 48
3Managingcachewithexternalstorage................ 51
Guidelinesforusingcachewithexternalstorage........................ 51
External Storage XP user guide
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