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MCSG: Adding a node checklist
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:Title:        MCSG: Adding a node checklist
:Author:       Douglas O'Leary <dkoleary@olearycomputers.com>
:Description:  MCSG: Adding a node checklist
: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 add a node to a running cluster, do the following:

#. Obtain a current cluster configuration file::

      cmgetconf current_config

#. When going to a two node cluster, ensure at least one of the shared 
   volume groups is activated.
#. Create a generic configuration file::

      cmquerycl -v -C generic_config -n ${node1} -n ${node2} -n ${node3}
      NOTE: Ensure the generic_config file is different from the 
      current_config

#. Merge the two configuration files.

   a. Cluster modifications are in ${current_config}
   b. Cluster defaults are in ${generic_config}

#. Check the configuration::

      cmcheckconf -C ${config}

#. Apply the configuration::

      cmapplyconf -C ${config}

#. Run the new cluster::

      cmruncl