Performing a phased upgrade involves the following tasks:
Moving the service groups to the second subcluster
Upgrading the SFCFSHA stack on the first subcluster
Preparing the second subcluster
Activating the first subcluster
Upgrading the operating system on the second subcluster
Upgrading the second subcluster
Finishing the phased upgrade
Before you start the upgrade on the first half of the cluster, back up the VCS configuration files main.cf
and types.cf
which are in the directory /etc/VRTSvcs/conf/config/
.