PowerHA contains support for Copy Services Manager (CSM) Metro Mirror, Global Mirror, and HyperSwap with Global Mirror.
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PowerHA has integrated support for managing the following types of IBM DS8000 Sessions on Copy Services Manager:
PowerHA Session Type | Corresponding CSM Session Type |
|---|---|
Metro Mirror | Metro Mirror Failover/Failback |
Global Mirror | Global Mirror Either Direction |
HyperSwap with Global Mirror | Metro Mirror-Global Mirror w/Site 3 Global Mirror |
These sessions can be combined with other PowerHA technologies such as Logical Unit Number (LUN) switching.
Prerequisites for
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CSM integration
Prerequisites for this implementation include:
IBM PowerHA SystemMirror for i Enterprise Edition
A system running IBM i 7.2 or later, using independent auxiliary storage pools (IASPs) for data replication
5770-SS1 Base operating system option 3 - Extended Base Directory Support
5770-SS1 Base operating system option 33 - Portable Application Solutions Environment
Either two DS8000 storage servers for Metro Mirror or Global Mirror configurations, or three DS8000 storage servers for HyperSwap with Global Mirror
IBM Copy Services Manager 6.2.5 or later
| Note |
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Important: PowerHA manages and controls the replication and switching of the external storage environment. Unless directed by IBM support, manual operations performed on the external storage outside of PowerHA are not supported and may result in problems including data loss or corruption. |
Example scenarios using CSM HyperSwap with Global Mirror technology
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