HP P9000 External Storage Access Manager User Guide (AV400-96407, October 2011)

Contents
1 External Storage Access Manager overview...................................................6
Resources that can be executed for each function..........................................................................6
How ESAM works ....................................................................................................................6
Hardware and software components...........................................................................................7
P9500 storage systems.........................................................................................................8
Main and remote control units .........................................................................................8
Pair volumes .......................................................................................................................8
Quorum disk ......................................................................................................................8
Data path ..........................................................................................................................9
Multipath software ..............................................................................................................9
Remote Web Console GUI ...................................................................................................9
RAID Manager....................................................................................................................9
Data replication.......................................................................................................................9
Failover ................................................................................................................................10
Pair status .............................................................................................................................10
Workflow for implementing ESAM............................................................................................10
2 Planning, system requirements, and recommendations ..................................12
Planning workflow..................................................................................................................12
Required hardware ................................................................................................................12
Multipath software and supported operating systems ..................................................................12
Primary and secondary systems requirements.............................................................................13
Licenses ................................................................................................................................13
License capacity ....................................................................................................................13
Pair volume requirements ........................................................................................................13
Quorum disk requirements ......................................................................................................14
Data path requirements and recommendations ..........................................................................15
Remote Web Console ............................................................................................................16
External storage systems .........................................................................................................16
Planning failover ....................................................................................................................16
Preventing unnecessary failover...........................................................................................17
Sharing volumes with other HP software products........................................................................18
Cache Partition .................................................................................................................19
Cache Residency...............................................................................................................19
Performance Monitor .........................................................................................................19
LUN Manager...................................................................................................................19
Open Volume Management................................................................................................19
LUN Expansion .................................................................................................................20
Configurations with Business Copy volumes ..........................................................................20
Configuring ESAM with Business Copy.............................................................................20
Configurations with Continuous Access Journal volumes .........................................................20
Configuring ESAM with Continuous Access Journal............................................................21
3 Configuration operations...........................................................................22
Configuration workflow...........................................................................................................22
Connecting hardware .............................................................................................................22
Installing software...................................................................................................................23
Configuring primary and secondary systems .............................................................................23
Configuring the quorum disk ...................................................................................................24
Adding a quorum disk ID .......................................................................................................25
4 Pair operations.........................................................................................26
Operations workflow...............................................................................................................26
Contents 3