HP XP Racks - Manual (Page 11)

Preparing...................................................................................................................371
Recovering.................................................................................................................372
Operating procedure during a path failure between the storage systems at the intermediate site
and the remote site..........................................................................................................372
Preparing...................................................................................................................372
Recovering.................................................................................................................372
Using a 3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration.................................................372
Performing primary site storage system maintenance.............................................................374
Failover.....................................................................................................................374
Failback.....................................................................................................................377
Performing storage system maintenance for remote site 1 or 2................................................379
Preparing...................................................................................................................380
Recovering.................................................................................................................380
Performing primary site host maintenance...........................................................................381
Failover.....................................................................................................................381
Failback.....................................................................................................................384
Operating procedure during a primary site storage system failure (with information lost from
memory..........................................................................................................................386
Failover.....................................................................................................................386
Failback.....................................................................................................................387
Operating procedure during a primary site storage system failure (with no information lost from
memory).........................................................................................................................391
Failover.....................................................................................................................391
Failback.....................................................................................................................391
Operating procedure during a storage system failure (with information lost from memory) (volatile)
at the primary site and remote site 1..................................................................................391
Failover.....................................................................................................................391
Failback.....................................................................................................................392
Operating procedure during a storage system failure (with no information lost from memory) at
the primary site and remote site 1......................................................................................394
Failover.....................................................................................................................394
Failback.....................................................................................................................394
Operating procedure during a storage system failure (with information lost from memory) at remote
site 1 or 2.......................................................................................................................395
Preparing...................................................................................................................395
Recovering.................................................................................................................395
Operating procedure during a storage system failure (with no information lost from memory) at
remote site 1 or 2............................................................................................................396
Preparing...................................................................................................................396
Recovering.................................................................................................................397
Primary site host failure (when operations can be performed on both Continuous Access Journal
Z copy pairs)..................................................................................................................398
Failover.....................................................................................................................398
Failback.....................................................................................................................400
Primary site host failure (when operations can be performed on only one of the Continuous Access
Journal Z copy pairs)........................................................................................................402
Failover.....................................................................................................................402
Failback.....................................................................................................................403
Operating procedure during a path failure between the storage systems at the primary site and
remote site 1, or at the primary site and remote site 2...........................................................405
Preparing...................................................................................................................405
Recovering.................................................................................................................405
Using a Delta Resync Configuration........................................................................................405
Performing Primary Site Storage System Maintenance...........................................................406
Failover for Primary Site Storage System Maintenance......................................................407
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