You can rename a node in a Geographic Edition cluster that is in a partnership of an Oracle Solaris Cluster configuration.
If the cluster where you are performing the rename procedure is primary for the protection group and you want to have the application in the protection group online, you can switch the primary group to a secondary during the rename procedure.
For instructions on renaming a node in a Geographic Edition cluster, see How to Rename a Global Cluster Node in Oracle Solaris Cluster 4.3 System Administration Guide. The procedure includes instructions that pertain to a node in a Geographic Edition configuration.