Changing a Sun Cluster Patch

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:

• How to Apply a Rebooting Patch (Node)

• How to Apply a Rebooting Patch (Cluster)

• How to Apply a Nonrebooting Sun Cluster Patch

Before applying a Sun Cluster patch, check the patch's README file.

How to Remove a Non-Rebooting Sun Cluster Patch

1. Become superuser on any node in the cluster.

2. Remove the non-rebooting patch.

   # patchrm patchid

How to Remove a Rebooting Sun Cluster Patch

1. Become superuser on any node in the cluster.

2. 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.

3. Remove the rebooting patch.

   # patchrm patchid

4. Reboot the cluster node back into cluster mode.

   # reboot

5. Repeat steps 2 through 4 for each cluster node.