6027-1231 GPFS detected more
than eight quorum nodes while node quorum with tiebreaker disks is
in use.
Explanation
A GPFS command
detected more than eight quorum nodes, but this is not allowed while
node quorum with tiebreaker disks is in use.
User response
Reduce the number of quorum nodes to a maximum of
eight, or use the normal node quorum algorithm.