To upgrade the SFW HA cluster in a VVR environment, you must first stop the replicated volume group (RVG) to detach the replication links and deassociate the replication logs between the primary and secondary site.
Perform the following steps from any one of the cluster node at the primary site
Detach the RLINK to prevent VVR from replicating data to the secondary site. From the Veritas Enterprise Administrator console, right-click the secondary RVG and select the Stop Replication option to stop VVR from replicating to the secondary site.
Perform the following steps from any one of the cluster node at the secondary site