HP XP P9500 Storage - Manual (Page 9)

Using configuration files........................................................................................................293
Working with scripts.............................................................................................................294
Expanding to REXX Variables............................................................................................294
Acquiring Copy Pair Status................................................................................................295
Creating and Dissolving Copy Pairs....................................................................................295
Changing the Copy Pair Status..........................................................................................295
Monitoring the Copy Pair Status.........................................................................................295
Checking the copy group configuration...............................................................................295
Sample Script..................................................................................................................295
About Scripts and YKLOAD...............................................................................................295
Operating a copy group.......................................................................................................295
Preparing to Use a Copy Group........................................................................................296
Starting Backup Operations...............................................................................................296
Suspending a Copy Group...............................................................................................296
Resynchronizing a Copy Group.........................................................................................296
Displaying the Status of a Copy Group...............................................................................296
Operating a Copy Group.................................................................................................296
Creating a Copy Group....................................................................................................297
Backing Up a Copy Group...............................................................................................299
Operational Testing..........................................................................................................299
Backup operations using the Cnt Ac-J Z ATTIME Suspend function...............................................300
Status During Normal Operations......................................................................................300
Obtaining Cnt Ac-J Z ATTIME Backups................................................................................301
If an Error Occurs While Copy Pairs Are Suspended.............................................................303
Determining the Volume to Be Used for Restoration...............................................................304
Check whether the Cnt Ac-J Z S-VOL is usable.................................................................304
Check which Business Copy S-VOL generation is usable...................................................304
Setting and Canceling ATTIME Suspension Information.........................................................304
Monitoring status and changing configurations in a 3DC Cascade (Cnt Ac-S Z x Cnt Ac-J Z)
configuration........................................................................................................................305
Monitoring the Copy Status...............................................................................................305
When the Cnt Ac-S consistency preservation function is not used.......................................306
When the Cnt Ac-S consistency preservation function is used.............................................307
Changing Configurations of Cnt Ac-S Z and Cnt Ac-J Z Copy Groups.....................................307
Using Compatible FlashCopy linkage configurations.................................................................310
Using the Compatible FlashCopy Linkage Function in a 2DC Configuration.............................310
Compatible FlashCopy Linkage When the Copy Pair Is in the DUPLEX Status.......................311
Compatible FlashCopy linkage using the Preserve Mirror function when the copy pair is in the
DUPLEX status (Continuous Access Synchronous Z)...........................................................312
Compatible FlashCopy Linkage When the Copy Pair Is in the Suspend Status......................314
Using the Compatible FlashCopy Linkage Function in a 3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J
Z) Configuration..............................................................................................................315
Determining the Compatible FlashCopy Copy Status.............................................................317
How to determine the Compatible FlashCopy copy status.................................................317
Example of a script that determines the Compatible FlashCopy copy status.........................318
Monitoring PPRC copy pairs...................................................................................................318
Using an Open/MF consistency group....................................................................................319
Operating an Open/MF consistency group ........................................................................319
Resynchronizing an Open/MF consistency group.................................................................320
8 Maintenance and troubleshooting operations.............................................321
Using a 2DC Configuration...................................................................................................321
Failover Procedure...........................................................................................................321
Failback Procedure..........................................................................................................323
Notes on Failovers and Failbacks in a 2DC Configuration.....................................................324
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