Removing a node from a VCS cluster


Removing a node from a VCS cluster
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Table: Tasks that are involved in removing a node specifies the tasks that are involved in removing a node from a cluster. In the example procedure, the cluster consists of nodes sys1, sys2, and sys5; node sys5 is to leave the cluster.

Table: Tasks that are involved in removing a node

Task	Reference
Back up the configuration file. Check the status of the nodes and the service groups.	See Verifying the status of nodes and service groups.
Switch or remove any VCS service groups on the node departing the cluster. Delete the node from VCS configuration.	See Deleting the departing node from VCS configuration.
Modify the llthosts(4) and gabtab(4) files to reflect the change.	See Modifying configuration files on each remaining node.
For a cluster that is running in a secure mode, remove the security credentials from the leaving node.	See Removing security credentials from the leaving node .
On the node departing 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 Veritas InfoScale filesets.	See Unloading LLT and GAB and removing Veritas InfoScale Availability or Enterprise on the departing node.