Follow the below procedure to upgrade Analytics Server in the cluster environment:
Take a snapshot of the data from the primary Analytics Server.
For more information, see Snapshot and Restore.
Upgrade the analytics servers one by one, for more information, see Section 7.0, Upgrading Analytics Server.
Run /opt/novell/nam/scripts/restore_elk_objects.sh script on any one of the nodes.
NOTE:This step is optional if you are upgrading the Analytics Server cluster from 5.0.1 to 5.0.2.