
Appendix A. Administration concepts 365
Figure A-6 Manual installation product selection
Installing and configuring PowerHA
We show the initial setup of a cluster. PowerHA 7.1 depends on Cluster Aware AIX (CAA).
You do not have to set up the CAA cluster up front, because this task can be done by
PowerHA when creating a cluster. We use PowerHA 7.1 terminology. Refer to IBM PowerHA
SystemMirror 7.1 for AIX, SG24-7845, for list of the changes from the previous versions of
PowerHA.
If you have never set up PowerHA, using the typical setup helps make the configuration
simple. You can use the custom setup after the cluster is configured to make custom ...