Performing a rolling migration from PowerHA SystemMirror 7.2.0, or later, to PowerHA SystemMirror 7.2.1, or later
You can migrate from PowerHA® SystemMirror® 7.2.0, or later, to PowerHA SystemMirror 7.2.1, or later, while keeping your applications up and running.
- Supported PowerHA SystemMirror versions for the upgrade operation. For more information, see Supported upgrade PowerHA SystemMirror versions.
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Minimum technology level of the AIX® operating system that is required to upgrade to the PowerHA SystemMirror version that you want. For more information, see AIX operating system requirements.
During the migration, the new version of PowerHA SystemMirror is installed on each node in the cluster while the remaining nodes continue to run the earlier version of PowerHA SystemMirror. When your cluster is in this hybrid state, PowerHA SystemMirror still responds to cluster events. Until all nodes are migrated to the new version of PowerHA SystemMirror, you cannot make configuration changes and new functions are not active.
To perform a rolling migration from, complete the following steps: