Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access XP P9000 for Linux B.01.00.00

Configuring the remote array RAID Manager instance for automatic startup..........................32
Restrictions...................................................................................................................33
4 Using XP or P9000 features in a Metrocluster environment.............................34
Metrocluster with Continuous Access XP P9000 for Linux and thin provisioning volumes...................34
HP storage works smart tiers....................................................................................................34
5 Understanding failover/failback scenarios...................................................35
Failover/failback scenarios in a Metrocluster package ................................................................35
6 Administering Metrocluster.........................................................................39
Administering a Metrocluster using Continuous Access XP/P9000 replication.................................39
Adding a node to Metrocluster............................................................................................39
Node maintenance............................................................................................................39
Planned maintenance.........................................................................................................39
Failback...........................................................................................................................39
Maintaining a cluster that uses Metrocluster with Continuous Access XP P9000 for Linux.............40
Viewing the progress of copy operations..........................................................................40
Viewing side file size.....................................................................................................40
Viewing the Continuous Access journal status....................................................................40
Viewing the pair and journal group information using the “ pairdisplay” command...............40
Viewing the journal volumes information using the “raidvchkscan” command........................41
Resynchronizing the device groups..................................................................................42
Using special options in the pairresync Command.............................................................42
Failback to the primary datacenter .............................................................................43
Factors affecting package startup time ............................................................................43
Data maintenance with the failure of a Metrocluster with Continuous Access XP P9000 for
Linux failover................................................................................................................43
Swap takeover failure (asynchronous/journal mode)......................................................43
Takeover timeout for Continuous Access journal mode...................................................44
PVOL-PAIR with SVOL-PSUS(SSWS) state for Continuous Access journal mode...................44
Administering Metrocluster with Serviceguard Manager...............................................................44
Rolling upgrade......................................................................................................................44
Upgrading Metrocluster software.........................................................................................45
Limitations of the rolling upgrade for Metrocluster...................................................................45
Upgrading the XP or P9000 Raid Manager software for Metrocluster with Continuous Access XP
P9000 for Linux.................................................................................................................45
Other considerations on asynchronous mode..............................................................................45
7 Troubleshooting........................................................................................47
Troubleshooting Metrocluster....................................................................................................47
Metrocluster log file............................................................................................................47
Raid Manager log.............................................................................................................47
Understanding Metrocluster Package Log..............................................................................47
Troubleshooting the Metrocluster with Continuous Access XP P9000 for Linux device group
monitor.............................................................................................................................50
A Checklist and worksheet for configuring a Metrocluster with Continuous Access
XP P9000 for Linux......................................................................................51
Disaster recovery checklist.......................................................................................................51
Cluster configuration worksheet................................................................................................51
Package configuration worksheet..............................................................................................52
B Package attributes for Metrocluster with Continuous Access XP P9000 for
Linux..........................................................................................................54
Modular Package Sample configuration file...............................................................................62
4 Contents