Cluster Management and Administration 175
5. Restart the HACMP for AIX software on the node using the smit clstart
fastpath and verify that the node successfully joined the cluster.
6. Repeat Steps 1 through 5 on the remaining cluster nodes.
Figure 15 below shows the procedure:
Figure 15. Applying a PTF to a Cluster Node
Along with the normal rules for applying updates, the following general points
should be observed for HACMP clusters:
• Cluster nodes should be kept at the same AIX maintenance levels
wherever possible. This will, of course, not be true while the update is
being applied, but should be true at all other times.
System A System B
System A System B System A System B
System A System B
Fallover of
System A
Apply PTFs
to System A Test
System A
System A
rejoins the
cluster
System A's
Resource
System B's
Resource