HP XP P9500 Storage - Manual (Page 14)

Operating procedure during a primary site storage system failure (with no information lost from
memory).........................................................................................................................514
Failover.....................................................................................................................515
Failback.....................................................................................................................515
Operating procedure during an intermediate site storage system failure (with information lost from
memory).........................................................................................................................517
Preparing...................................................................................................................518
Recovering.................................................................................................................520
Operating procedure during an intermediate site storage system failure (with no information lost
from memory)..................................................................................................................523
Operating procedure during a remote site storage system failure (with information lost from
memory).........................................................................................................................524
Preparing...................................................................................................................524
Recovering.................................................................................................................524
Operating procedure during a remote site storage system failure (with no information lost from
memory).........................................................................................................................527
Preparing...................................................................................................................527
Recovering.................................................................................................................528
Operating procedure during a primary site host failure.........................................................528
Failover.....................................................................................................................529
Failback.....................................................................................................................530
Operating procedure during a path failure between the primary site storage system and the
intermediate site storage system.........................................................................................532
Preparing...................................................................................................................533
Recovering.................................................................................................................535
Using a 4x4x4 Delta Resync configuration...............................................................................537
Performing primary site storage system maintenance.............................................................539
Failover.....................................................................................................................539
Failback.....................................................................................................................542
Performing local site storage system maintenance.................................................................545
Preparing...................................................................................................................546
Recovering.................................................................................................................547
Performing remote site storage system maintenance..............................................................548
Preparing...................................................................................................................549
Recovering.................................................................................................................549
Performing primary site host maintenance...........................................................................550
Failover.....................................................................................................................550
Failback.....................................................................................................................553
Operating procedure during a primary site storage system failure (with information lost from
memory).........................................................................................................................555
Failover.....................................................................................................................556
Failback.....................................................................................................................557
Operating procedure during a primary site storage system failure (with no information lost from
memory).........................................................................................................................562
Failover.....................................................................................................................563
Failback.....................................................................................................................563
Operating procedure during a local site storage system failure (with information lost from
memory).........................................................................................................................567
Preparing...................................................................................................................567
Recovering.................................................................................................................569
Operating procedure during a local site storage system failure (with no information lost from
memory).........................................................................................................................573
Operating procedure during a remote site storage system failure (with information lost from
memory).........................................................................................................................573
Preparing...................................................................................................................573
14 Contents