HP 3PAR Cluster Extension Software Administrator Guide for Windows (5697-1821, April 2012)

Contents
1 HP 3PAR Cluster Extension features...............................................................7
Integration into cluster software (Graphical user interface)..............................................................7
CLI for easy integration..............................................................................................................7
Disaster tolerance through geographical dispersion.......................................................................7
Automated redirection of mirrored disks.......................................................................................8
Metropolitan distance support....................................................................................................8
Fully Automatic Failover and Failback..........................................................................................9
No server reboot......................................................................................................................9
No single point of failure...........................................................................................................9
Synchronous replication mode support.........................................................................................9
Asynchronous periodic replication mode support..........................................................................9
Storage system configurations.....................................................................................................9
1-to-1 configuration.............................................................................................................10
N-to-1 and 1-to-N configurations..........................................................................................11
Processes and components.......................................................................................................12
HP 3PAR Remote Copy.......................................................................................................12
Synchronous replication.................................................................................................14
Asynchronous Periodic Replication...................................................................................14
User configuration file.........................................................................................................14
Force Flag.........................................................................................................................14
Planning for HP 3PAR Cluster Extension.....................................................................................14
Cluster setup considerations................................................................................................14
Windows clustering.......................................................................................................14
Windows Server 2008/2008 R2...............................................................................14
Windows Server 2003..............................................................................................14
MNS or Node Majority quorum in Windows Clustering................................................15
Majority Node Set with File Share Witness..................................................................15
SLE HA cluster setup considerations......................................................................................16
Quorum.......................................................................................................................16
STONITH.....................................................................................................................16
Networking in an SLE HA cluster.....................................................................................16
Resource constraints......................................................................................................16
Resource operation attribute...........................................................................................17
HP 3PAR Cluster Extension resource dependency...............................................................17
Failover order...............................................................................................................17
Failback option.............................................................................................................17
Migration-threshold.......................................................................................................17
Disk monitoring.............................................................................................................18
RHCS cluster setup considerations........................................................................................18
Quorum.......................................................................................................................18
Fencing........................................................................................................................18
Qdisk configuration.......................................................................................................18
Failover domains...........................................................................................................18
Failback policy.............................................................................................................19
Recovery policy............................................................................................................19
Service hierarchical structure and resource dependency.....................................................19
Disk monitoring.............................................................................................................19
Configuration tool (clx3parconfig.exe) for Windows...............................................................20
HP 3PAR InForm Management Console or HP 3PAR InForm CLI ...............................................20
IP network considerations....................................................................................................20
SAN fabric considerations..................................................................................................20
Contents 3