To remove a Sun Cluster patch that you've applied to your cluster, you must first remove the new Sun Cluster patch, and then re-apply the previous patch or update release. To remove the new Sun Cluster patch, see the following procedures. To re-apply a previous Sun Cluster patch, see one of the following procedures:
Before applying a Sun Cluster patch, check the patch's README file.
Become superuser on any node in the cluster.
Boot the cluster node into non-cluster mode. For information on booting a node into non-cluster mode, see How to Boot a Cluster Node in Noncluster Mode.
Remove the rebooting patch.
# patchrm patchid |
Reboot the cluster node back into cluster mode.
# reboot |
Repeat steps 2 through 4 for each cluster node.