HP P6000 Cluster Extension Software Administrator Guide (5697-0986, June 2011)

Contents
1 P6000 Cluster Extension features ......................................................... 9
Integration into cluster software ..................................................................................................... 9
Graphical user interface ........................................................................................................ 9
CLI for easy integration ......................................................................................................... 9
Disaster tolerance through geographical dispersion ....................................................................... 10
Automated redirection of mirrored disks ....................................................................................... 10
Cluster setup considerations ....................................................................................................... 11
MSCS ............................................................................................................................... 11
SLE HA cluster setup considerations ...................................................................................... 12
Quorum ..................................................................................................................... 12
STONITH .................................................................................................................... 12
Networking in an SLE HA cluster .................................................................................. 13
Resource constraints .................................................................................................... 13
Resource operation attribute .......................................................................................... 13
P6000 Cluster Extension resource dependency ............................................................... 13
Failover order ............................................................................................................. 13
Failback option .......................................................................................................... 14
Migration-threshold ...................................................................................................... 14
Disk monitoring .......................................................................................................... 14
RHCS cluster setup considerations ........................................................................................ 14
Quorum ..................................................................................................................... 14
Fencing ..................................................................................................................... 14
Qdisk configuration ..................................................................................................... 15
Failover domains ......................................................................................................... 15
Failback policy ............................................................................................................ 15
Recovery policy ........................................................................................................... 16
Service hierarchical structure and resource dependency .................................................... 16
Disk monitoring ........................................................................................................... 16
Storage system configurations ..................................................................................................... 16
One-to-one configuration ..................................................................................................... 17
Consolidated DR site configuration ....................................................................................... 18
Processes and components ......................................................................................................... 19
HP P6000 Continuous Access .................................................................................................... 20
Synchronous replication ...................................................................................................... 20
Asynchronous replication (Windows only) .............................................................................. 20
HP P6000 Continuous Access DR groups .............................................................................. 20
Rolling disaster protection and snapshots/snapclones ............................................................. 21
HP Storage Management Initiative Specification ........................................................................... 21
User configuration file ............................................................................................................... 22
Resource configuration file (Linux only) ......................................................................................... 22
Force flag ................................................................................................................................ 22
Planning for P6000 Cluster Extension .......................................................................................... 22
HP P6000 Command View and HP P6000 SMI-S dependencies .............................................. 22
Configuration file (clxsmiscfg) for Linux .................................................................................. 23
Configuration tool (clxevaconfig.exe) for Windows ................................................................. 23
HP P6000 Cluster Extension Software Administrator Guide 3