Removing a node from a VCS cluster

Last published : Sep 11, 2026
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. See Verifying the status of nodes and service groups .
- Check the status of the nodes and the service groups.
- Switch or remove any VCS service groups on the node departing the cluster. See Deleting the departing node from VCS configuration .
- Delete the 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\: See Unloading LLT and GAB and removing InfoScale Availability or Enterprise on the departing node .
- 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 InfoScale filesets.