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Removing a node from a cluster

Tasks involved in removing a node specifies the tasks involved in removing a node from a cluster. In the example procedure, the cluster consists of nodes A, B, and C; node C is to leave the cluster.

Tasks involved in removing a node

Task

Reference

  • Back up the configuration file.
  • Check the status of the nodes and the service groups.

Verify the status of nodes and service groups 

  • Switch or remove any VCS service groups on the node leaving the cluster.
  • Delete the node from VCS configuration.

Deleting the leaving node from VCS configuration 

Modify the llthosts and gabtab files to reflect the change. 

Modifying configuration files on each remaining node 

On the node leaving the cluster: 

  • Modify startup scripts for LLT, GAB, and VCS to allow reboot of the node without affecting the cluster.
  • Unconfigure and unload the LLT and GAB utilities.
  • Remove the VCS depots.

Unloading LLT and GAB and removing VCS on the leaving node