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HP XP P9500 Storage User Manual

Page 13

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Failback.....................................................................................................................461

Performing primary host maintenance.................................................................................464

Failover.....................................................................................................................464
Failback.....................................................................................................................466

Performing local storage system maintenance......................................................................468

Preparing...................................................................................................................468
Recovering.................................................................................................................468

Performing remote storage system maintenance....................................................................469

Preparing...................................................................................................................469
Recovering.................................................................................................................470

Operating procedure during a primary storage system failure (with information lost from
memory).........................................................................................................................470

Failover.....................................................................................................................471
Failback.....................................................................................................................472

Operating procedure during a primary storage system failure (with no information lost from
memory).........................................................................................................................476

Failover.....................................................................................................................476
Failback.....................................................................................................................476

Operating procedure during a primary host failure...............................................................480

Failover.....................................................................................................................480
Failback.....................................................................................................................482

Operating procedure during a path failure between the primary storage system and the local
storage system.................................................................................................................484

Preparing...................................................................................................................484
Recovering.................................................................................................................485

Operating procedure during a local storage system failure (with information lost from memory)...485

Preparing...................................................................................................................485
Recovering.................................................................................................................485

Operating procedure during a local storage system failure (with no information lost from
memory).........................................................................................................................487
Operating procedure during remote storage system failure (with information lost from memory)...487

Preparing...................................................................................................................487
Recovering.................................................................................................................487

Operating procedure during a remote storage system failure (with no information lost from
memory).........................................................................................................................490

Preparing...................................................................................................................490
Recovering.................................................................................................................490

Using a 4x4x4 Cascade Configuration...................................................................................491

Performing primary site storage system maintenance.............................................................494

Failover.....................................................................................................................494
Failback.....................................................................................................................495

Performing intermediate site storage system maintenance......................................................498

Preparing...................................................................................................................499
Recovering.................................................................................................................500

Performing remote site storage system maintenance..............................................................502

Preparing...................................................................................................................503
Recovering.................................................................................................................504

Performing primary site host maintenance...........................................................................504

Failover.....................................................................................................................505
Failback.....................................................................................................................506

Operating procedure during a primary site storage system failure (with information lost from
memory).........................................................................................................................509

Failover.....................................................................................................................509
Failback.....................................................................................................................510

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