HP StorageWorks XP Cluster Extension Software Administrator Guide (T1656-96035, April 2010)

Contents
1 XP Cluster Extension features ............................................................. 11
Integration into cluster software ................................................................................................... 11
Enhanced disaster tolerance ....................................................................................................... 11
Automated monitoring and redirecting of XP Continuous Access Software pairs ................................ 11
Rolling disaster protection .......................................................................................................... 12
Command-line interface (CLI) ..................................................................................................... 12
Fast Failback using XP Continuous Access Software ...................................................................... 12
XP Cluster Extension configurations ............................................................................................. 12
One-to-one configurations ................................................................................................... 12
Consolidated-site configuration ............................................................................................ 13
Supported XP Continuous Access Software configurations and fence levels ................................ 14
XP Cluster Extension server configurations .............................................................................. 14
Planning for XP Cluster Extension ................................................................................................ 15
Before configuring XP Cluster Extension resources ................................................................... 15
Cluster setup considerations ................................................................................................. 15
MNS quorum clusters (MSCS) ........................................................................................ 15
SLE HA cluster setup considerations ................................................................................ 15
RHCS cluster setup considerations .................................................................................. 18
Setting up XP RAID Manager ............................................................................................... 20
Creating XP RAID Manager command devices ................................................................ 20
Creating XP RAID Manager instances ............................................................................. 20
Creating XP RAID Manager device groups ...................................................................... 21
Network considerations ................................................................................................ 21
Starting and stopping the XP RAID Manager instances ..................................................... 22
Test takeover function ................................................................................................... 22
2 Configuring XP Cluster Extension for AIX ............................................. 25
Configuring resources ................................................................................................................ 25
Configuring the pair/resync monitor ..................................................................................... 25
Updating the remote access hosts file ............................................................................. 25
Configuring the pair/resync monitor port ........................................................................ 26
Integrating XP Cluster Extension into HACMP ................................................................................ 26
User configuration file for HACMP .............................................................................................. 28
Bringing a resource group online ................................................................................................ 30
Taking a resource group offline .................................................................................................. 31
Pair/resync monitor integration ................................................................................................... 32
Adding a Custom Cluster Event for pair/resync monitor integration ........................................... 32
Redefining the Custom Cluster Event as a pre-event of the standard HACMP event ...................... 33
Timing considerations ................................................................................................................ 34
Failure behavior ....................................................................................................................... 35
Restrictions for IBM HACMP with XP Cluster Extension ................................................................... 35
3 Configuring XP Cluster Extension for Windows ..................................... 37
Integrating XP Cluster Extension with MSCS ................................................................................. 37
XP Cluster Extension Software Administrator Guide 3