Removing a node from a cluster
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Removing a node from a cluster

Perform the following steps to remove a node from a cluster. The procedure can be done from any node remaining in the cluster or from a remote host.

To prepare to remove a node from a cluster

  1. Take your application service groups offline (if under VCS control) on the node you want to remove.
    # hagrp -offline app_group -sys saturn
  2. Stop the applications that use VxFS/CFS mount points and are not configured under VCS. Use native application commands to stop the applications.

To remove a node from a cluster

  1. Stop VCS on the node:
    # hastop -local
  2. Unmount the VxFS/CFS file systems that are not configured under VCS.
    # umount mount_point
  3. Uninstall SFCFSHA from the node using the SFCFSHA installer.
    # cd /opt/VRTS/install
    # ./uninstallsfcfsha saturn

    The installer stops all SFCFSHA processes and uninstalls the SFCFSHA packages.

  4. Modify the VCS configuration files on the existing nodes to remove references to the deleted node.

    See Modifying the VCS configuration files on existing nodes.

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