HP XP7 Storage - Manual (Page 5)

Pair status definitions..........................................................................................................80
Additional information on pair status...............................................................................83
Suspend types..............................................................................................................83
Suspension conditions on secondary systems....................................................................85
Monitoring Cnt Ac-J Z pair synchronous rate...............................................................................86
Monitoring Cnt Ac-J Z operations history....................................................................................86
Operation descriptions.......................................................................................................86
Saving pair information to a text file .........................................................................................88
Monitoring journal (mirror) status..............................................................................................88
Mirror status definitions.......................................................................................................88
Monitoring Cnt Ac-J Z remote connections, path status.................................................................89
9 Maintaining the Cnt Ac-J Z system...............................................................90
Pair maintenance ...................................................................................................................90
Changing number of copies allowed per initial copy operation................................................90
Changing pair options ......................................................................................................90
Forcibly deleting pairs........................................................................................................91
Journal and mirror maintenance...............................................................................................92
Changing options used by journals .....................................................................................92
Changing options used by mirrors .......................................................................................94
Adding additional journal volumes to an existing journal........................................................96
Replacing a journal volume in a journal................................................................................97
Deleting journal volumes from a journal ...............................................................................97
Deleting journals ...............................................................................................................98
Forcibly deleting journals from an EXCTG..............................................................................99
Remote path maintenance........................................................................................................99
Modifying data-transfer time threshold .................................................................................99
Deleting remote paths ......................................................................................................100
Deleting the Cnt Ac-J Z relationship ...................................................................................101
Managing power-off for systems and network devices ...............................................................102
When power stops unexpectedly.......................................................................................102
When power is removed from primary or secondary system..............................................102
When power is removed from network relay devices .......................................................103
Powering-off systems intentionally.......................................................................................103
Powering-off the primary or secondary system.................................................................103
Powering-off primary and secondary systems at the same time..........................................103
Powering-off network relay devices.....................................................................................104
10 Cnt Ac-J Z disaster recovery operations ...................................................105
Overview............................................................................................................................105
General recovery procedures.................................................................................................105
Preparing for recovery .....................................................................................................105
Preparing for file and database recovery ...........................................................................105
Switching host operations to the remote site ........................................................................106
Reversing copy direction from remote to local sites ..............................................................106
Resuming host operations at the local site ..........................................................................107
Recovery for 3 Cnt Ac-J Z/Cnt Ac-S Z data centers....................................................................107
Recovery for 3 Cnt Ac-J Z/Cnt Ac-S Z DC cascade configuration ...........................................108
Recovery for 3 Cnt Ac-J Z/Cnt Ac-S Z DC multi-target configuration .......................................108
Recovering from local site failure ..................................................................................108
Recovering from local and remote site failure (3DC multi-target).........................................110
Recovery in a delta resync configuration.............................................................................110
Problems with pair status during delta resync recovery.....................................................111
Recovery for Cnt Ac-J Z/BC Z configurations............................................................................112
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