How to change Virtuozzo storage Cluster password?
In order to change the Virtuozzo storage cluster password that was provided during initial cluster configuration, the following command can be used on the server Master MDS is currently running on:
~# pstorage -c CLUSTER_NAME auth-node --change-password
This command works locally and changes the password, saving it to the file
/etc/pstorage/clusters/CLUSTER_NAME/auth_digest.key. After changing the password on Master MDS side, update the password on all nodes of the cluster as well.