[gpfsug-discuss] Cluster ID (mis)match

Marc A Kaplan makaplan at us.ibm.com
Thu Dec 17 18:03:11 GMT 2015


How would that happen?  The ID may not be random, but it is a long string 
string of digits:

[root at n2 gpfs-git]# mmlscluster

GPFS cluster information
========================
  GPFS cluster name:         madagascar.frozen
  GPFS cluster id:           7399668614468035547


ANYHOW, I think you can fix your problem, by using:

mmdelnode to retire nodes from the over-subscribed cluster.

mmcrcluster to create a new cluster

mmaddnode to join now unaffiliated nodes to the new cluster.


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