
Contents
Aboutthisguide .......................... 13
Intendedaudience..................................... 13
Prerequisites ....................................... 13
Relateddocumentation................................... 13
Documentconventionsandsymbols ............................. 14
HPtechnicalsupport.................................... 14
Subscriptionservice .................................... 15
HPwebsites........................................ 15
Documentationfeedback .................................. 15
1OverviewofHPcopysolutions ................... 17
ContinuousAccessXPJournal................................ 17
BusinessCopyXPandShadowImageforMainframe ...................... 17
ContinuousAccessXPandTrueCopy®forMainframe...................... 18
2OverviewofContinuousAccessXPJournal ............. 19
Overviewoffunctionality.................................. 19
Journalobtain..................................... 20
Journalcopy ..................................... 20
Journalrestore..................................... 20
Components ....................................... 21
Localarrays...................................... 22
Mainandremotecontrolunits(primaryandsecondaryarrays)................ 22
Journalgroups .................................... 23
Datavolumepairs................................... 23
Journalvolumes.................................... 24
Numberofjournalvolumes ............................. 24
Journal volume specifications ............................ 24
Journalvolumerestrictions.............................. 24
Journalvolumeareas................................ 25
Consistencygroups .................................. 26
Remotecopyconnections................................ 27
InitiatorandRCUtargetports .............................. 28
ContinuousAccessXPJournalandtheXPRemoteWebConsoleSoftware ........... 28
Hostfailoversoftware ................................. 28
Remotecopyoperations .................................. 29
Initialcopyoperations ................................. 29
Update copy operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Read and write I/O operations during Continuous Access XP Journal operations . . . . . . . . 30
Secondarydatavolumewriteoption ........................... 31
Differencemanagement ................................ 31
Journalprocessing..................................... 31
Creatingandstoringjournalsatprimaryarrays ...................... 31
Copyingjournalstosecondaryarrays........................... 32
Storingjournalsatsecondaryarrays ........................... 32
Selectingandrestoringjournalsatsecondaryarrays .................... 32
Journaltypes ..................................... 33
Journalgroupoperations.................................. 34
ContinuousAccessXPJournaldeltaresyncoperations...................... 34
JournalobtaininContinuousAccessXPSynchronoussecondarysites ............. 35
Continuous Access XP Journal user guide
3
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