MCSG: Removing a node from a clusterΒΆ

Title:MCSG: Removing a node from a cluster
Author:Douglas O’Leary <dkoleary@olearycomputers.com>
Description:MCSG: Removing a node from a cluster
Date created:07/2008
Date updated:08/2009
Disclaimer:Standard: Use the information that follows at your own risk. If you screw up a system, don’t blame it on me...

To remove a node from a running cluster, do the following:

  1. Backup the current configuration file.

  2. Halt the node to be removed:

    cmhaltnode -n ${node}
    
  3. Delete all references to the soon to be removed node in all package config files

  4. Obtain a current cluster configuration file:

    cmgetconf ${config}
    
  5. Edit the configuraton file and comment out all references to the node to be removed.

  6. cmcheckconf -C ${config}

  7. cmapplyconf -C ${config}