HP XP P9500 Storage User Manual

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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

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