6027-2145 [E] Internal remote command 'mmremote command' no longer supported.
Explanation
A GPFS™ administration
command invoked an internal remote command which is no longer supported.
Backward compatibility for remote commands are only supported for
release 3.4 and newer.
User response
All nodes within the cluster must be at release 3.4
or newer. If all the cluster nodes meet this requirement, contact
the IBM® Support Center.