HP XP P9500 Storage - Manual (Page 12)

Recovering.................................................................................................................415
Operating Procedure During a Local Site Storage System Failure (Nonvolatile).........................418
Operating Procedure During a Remote Site Storage System Failure (Volatile)............................418
Preparing...................................................................................................................418
Recovering.................................................................................................................418
Operating Procedure During a Remote Site Storage System Failure (Nonvolatile)......................421
Preparing...................................................................................................................421
Recovering.................................................................................................................421
Primary Site Host Failure...................................................................................................421
Failover.....................................................................................................................421
Failback.....................................................................................................................424
Operating Procedure During a Path Failure Between the Primary Site Storage System and the
Local Site Storage System..................................................................................................426
Preparing...................................................................................................................427
Recovering.................................................................................................................427
Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated
Successfully.....................................................................................................................428
Managing the HOLDTRNS Status..................................................................................429
When Copy Pairs Do Not Change to HOLD Status..........................................................430
Managing the HOLDER Status......................................................................................431
If the pair status changes to HOLDER before execution of the command YKRESYNC
DELTAJNL..............................................................................................................431
If the pair status changes to HOLDER after execution of the command YKRESYNC
DELTAJNL..............................................................................................................431
If Pair Status Changes to NODELTA...............................................................................433
About Containers with Pairs of Mixed Pair Statuses..........................................................434
Ensuring Successful Completion of Delta Resync in Advance.............................................434
Using a 2DC configuration with HyperSwap and Continuous Access Journal Z.............................436
Operation Startup Procedure.............................................................................................438
Performing Primary Storage System Maintenance.................................................................439
Failover.....................................................................................................................439
Failback.....................................................................................................................441
Performing Primary Host Maintenance................................................................................444
Failover.....................................................................................................................444
Failback.....................................................................................................................446
Performing Local Storage System Maintenance.....................................................................448
Preparing...................................................................................................................448
Recovering.................................................................................................................448
Performing Remote Storage System Maintenance..................................................................449
Preparing...................................................................................................................449
Recovering.................................................................................................................450
Operating Procedure During a Primary Storage System Failure (Volatile).................................450
Failover.....................................................................................................................451
Failback.....................................................................................................................452
Operating Procedure During a Primary Storage System Failure (Nonvolatile)............................456
Failover.....................................................................................................................456
Failback.....................................................................................................................456
Operating Procedure During a Primary Host Failure..............................................................460
Failover.....................................................................................................................460
Failback.....................................................................................................................462
Operating Procedure During a Path Failure Between the Primary Storage System and the Local
Storage System................................................................................................................464
Preparing...................................................................................................................464
Recovering.................................................................................................................465
Operating Procedure During a Local Storage System Failure (Volatile).....................................465
12 Contents