Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access XP P9000 for Linux B.12.00.00

Configuring the command device to manage the remote XP or P9000 arrays........................31
Configuring a remote array RAID Manager instance..........................................................32
Configuring the remote array RAID Manager instance for automatic startup..........................33
Restrictions...................................................................................................................34
4 Using XP or P9000 features in a Metrocluster environment.............................35
Metrocluster with Continuous Access XP P9000 for Linux and thin provisioning volumes...................35
HP storage works smart tiers....................................................................................................35
5 Understanding failover/failback scenarios...................................................36
Failover/failback scenarios in a Metrocluster package ................................................................36
6 Administering Metrocluster.........................................................................40
Administering a Metrocluster using Continuous Access XP/P9000 replication.................................40
Adding a node to Metrocluster............................................................................................40
Node maintenance............................................................................................................40
Planned maintenance.........................................................................................................40
Failback...........................................................................................................................40
Maintaining a cluster that uses Metrocluster with Continuous Access XP P9000 for Linux.............41
Viewing the progress of copy operations..........................................................................41
Viewing side file size.....................................................................................................41
Viewing the Continuous Access journal status....................................................................41
Viewing the pair and journal group information using the “ pairdisplay” command...............41
Viewing the journal volumes information using the “raidvchkscan” command........................42
Resynchronizing the device groups..................................................................................43
Using special options in the pairresync Command.............................................................43
Failback to the primary datacenter .............................................................................44
Factors affecting package startup time ............................................................................44
Data maintenance with the failure of a Metrocluster with Continuous Access XP P9000 for
Linux failover................................................................................................................44
Swap takeover failure (asynchronous/journal mode)......................................................44
Takeover timeout for Continuous Access journal mode...................................................45
PVOL-PAIR with SVOL-PSUS(SSWS) state for Continuous Access journal mode...................45
Administering Metrocluster with Serviceguard Manager...............................................................45
Rolling upgrade......................................................................................................................45
Upgrading Metrocluster software.........................................................................................46
Limitations of the rolling upgrade for Metrocluster...................................................................46
Upgrading the XP or P9000 Raid Manager software for Metrocluster with Continuous Access XP
P9000 for Linux.................................................................................................................46
Other considerations on asynchronous mode..............................................................................46
7 Troubleshooting........................................................................................48
Troubleshooting Metrocluster....................................................................................................48
Metrocluster log file............................................................................................................48
Raid Manager log.............................................................................................................48
Understanding Metrocluster Package Log..............................................................................48
Troubleshooting the Metrocluster with Continuous Access XP P9000 for Linux device group
monitor.............................................................................................................................51
A Checklist and worksheet for configuring a Metrocluster with Continuous Access
XP P9000 for Linux......................................................................................52
Disaster recovery checklist.......................................................................................................52
Cluster configuration worksheet................................................................................................52
Package configuration worksheet..............................................................................................53
4 Contents