6027-1634 The GPFS cluster configuration server node nodeName cannot be removed.
Explanation
An attempt was made to delete a GPFS™ cluster configuration server node.
User response
You cannot remove a cluster configuration server
node unless all nodes in the GPFS cluster
are being deleted. Before deleting a cluster configuration server
node, you must use the mmchcluster command
to transfer its function to another node in the GPFS cluster.