6027-1638 Command: There are no unassigned nodes in the cluster.
Explanation
A GPFS™ command
in a cluster environment needs unassigned nodes, but found there are
none.
User response
Verify whether there are any unassigned nodes in
the cluster. If there are none, either add more nodes to the cluster
using the mmaddnode command, or delete some
nodes from the cluster using the mmdelnode command,
and then reissue the command.