HP XP P9500

Operating Procedure During a Remote Site Storage System Failure (Volatile)............................330
Preparing...................................................................................................................330
Recovering.................................................................................................................330
Operating Procedure During a Remote Site Storage System Failure (Nonvolatile)......................333
Preparing...................................................................................................................333
Recovering.................................................................................................................333
Primary Site Host Failure...................................................................................................333
Failover.....................................................................................................................333
Failback.....................................................................................................................336
Operating Procedure During a Path Failure Between the Primary Site Storage System and the
Local Site Storage System..................................................................................................338
Preparing...................................................................................................................339
Recovering.................................................................................................................339
Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated
Successfully.....................................................................................................................340
Managing the HOLDTRNS Status..................................................................................341
When Copy Pairs Do Not Change to HOLD Status..........................................................342
Managing the HOLDER Status......................................................................................343
If the pair status changes to HOLDER before execution of the command YKRESYNC
DELTAJNL..............................................................................................................343
If the pair status changes to HOLDER after execution of the command YKRESYNC
DELTAJNL..............................................................................................................343
If Pair Status Changes to NODELTA...............................................................................345
About Containers with Pairs of Mixed Pair Statuses..........................................................346
Ensuring Successful Completion of Delta Resync in Advance.............................................346
Using a 2DC configuration with HyperSwap and Continuous Access Journal Z.............................348
Operation Startup Procedure.............................................................................................350
Performing Primary Storage System Maintenance.................................................................351
Failover.....................................................................................................................351
Failback.....................................................................................................................353
Performing Primary Host Maintenance................................................................................356
Failover.....................................................................................................................356
Failback.....................................................................................................................358
Performing Local Storage System Maintenance.....................................................................360
Preparing...................................................................................................................360
Recovering.................................................................................................................360
Performing Remote Storage System Maintenance..................................................................361
Preparing...................................................................................................................361
Recovering.................................................................................................................362
Operating Procedure During a Primary Storage System Failure (Volatile).................................362
Failover.....................................................................................................................363
Failback.....................................................................................................................364
Operating Procedure During a Primary Storage System Failure (Nonvolatile)............................368
Failover.....................................................................................................................368
Failback.....................................................................................................................368
Operating Procedure During a Primary Host Failure..............................................................372
Failover.....................................................................................................................372
Failback.....................................................................................................................374
Operating Procedure During a Path Failure Between the Primary Storage System and the Local
Storage System................................................................................................................376
Preparing...................................................................................................................376
Recovering.................................................................................................................377
Operating Procedure During a Local Storage System Failure (Volatile).....................................377
Preparing...................................................................................................................377
Recovering.................................................................................................................377
10 Contents