Installing and configuring the PowerHA cluster

You might experience processing errors if your IBM PowerHA® SystemMirror for AIX® installation and configuration are not done correctly.

Complete the following steps to install and configure the PowerHA cluster:

1. Define the shared file systems and logical volumes when they are needed. You might want to put files in separate file systems or on separate physical disks for integrity or performance reasons. Do not put the home directory of the user instance on a shared disk. Mirror the logical volumes to provide maximum availability (including the underlying file systems). The file systems that must be defined include the IBM Storage Protect server instance directory, the database and log directories, all disk storage pool directories, and FILE device type storage pool directories.
2. Configure PowerHA so that the production node owns the shared volume groups and the standby node takes over the shared volume groups if the production node fails.
3. Configure PowerHA so that the file systems also fail over.
4. Set up a Service IP address for the IBM Storage Protect server. The Service IP address must be different from each host IP address. The Service IP is moved from host to host, not the actual host IP address.
5. Failover the shared database and the log and instance directories to the standby node of the PowerHA cluster.

Results

You must configure the removable media storage devices for failover and define the IBM Storage Protect server as an application to PowerHA.