HP XP P9500 Storage - Manual (Page 12)

Failback to the Primary Site..........................................................................................412
Performing Local Site Storage System Maintenance...............................................................415
Preparing...................................................................................................................416
Recovering.................................................................................................................417
Performing Remote Site Storage System Maintenance............................................................417
Preparing...................................................................................................................418
Recovering.................................................................................................................418
Performing Primary Site Host Maintenance..........................................................................419
Failover for Primary Site Host Maintenance.....................................................................419
Failback to the Primary Site..........................................................................................422
Operating procedure during a primary site storage system failure (with information lost from
memory).........................................................................................................................424
Failover.....................................................................................................................425
Failback.....................................................................................................................426
Operating procedure during a primary site storage system failure (with no information lost from
memory).........................................................................................................................430
Failover.....................................................................................................................430
Failback.....................................................................................................................430
Operating procedure during a local site storage system failure (with information lost from
memory..........................................................................................................................434
Preparing...................................................................................................................435
Recovering.................................................................................................................435
Operating procedure during a local site storage system failure (with no information lost from
memory).........................................................................................................................438
Operating procedure during a remote site storage system failure (with no information lost from
memory).........................................................................................................................438
Preparing...................................................................................................................438
Recovering.................................................................................................................438
Operating procedure during a remote site storage system failure (with no information lost from
memory).........................................................................................................................441
Preparing...................................................................................................................441
Recovering.................................................................................................................441
Primary Site Host Failure...................................................................................................441
Failover.....................................................................................................................441
Failback.....................................................................................................................444
Operating procedure during a path failure between the primary site storage system and the local
site storage system...........................................................................................................446
Preparing...................................................................................................................447
Recovering.................................................................................................................447
Actions to be Taken When the Delta Resync Function Cannot be Set Up or Operated
Successfully.....................................................................................................................448
Managing the HOLDTRNS Status..................................................................................449
When Copy Pairs Do Not Change to HOLD Status..........................................................450
Managing the HOLDER Status......................................................................................451
If the pair status changes to HOLDER before execution of the command YKRESYNC
DELTAJNL..............................................................................................................451
If the pair status changes to HOLDER after execution of the command YKRESYNC
DELTAJNL..............................................................................................................451
If Pair Status Changes to NODELTA...............................................................................453
About Containers with Pairs of Mixed Pair Statuses..........................................................454
Ensuring Successful Completion of Delta Resync in Advance.............................................454
Using a 2DC configuration with HyperSwap and Continuous Access Journal Z.............................456
Operation startup procedure.............................................................................................458
Performing primary storage system maintenance..................................................................459
Failover.....................................................................................................................459
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