About removing a node from a cluster


About removing a node from a cluster
Prev	Removing a node from SFCFSHA clusters	Next

You can remove one or more nodes from an SFCFSHA cluster. The following table provides a summary of the tasks required to add a node to an existing SFCFSHA cluster.

Table: Tasks for removing a node from a cluster

Step	Description
Prepare to remove the node: Back up the configuration file. Check the status of the nodes and the service groups. Take the service groups offline and removing the database instances.	See Removing a node from a cluster.
Remove the node from the cluster.	See Removing a node from a cluster.
Modify the cluster configuration on remaining nodes. Edit the /etc/llthosts file. Edit the /etc/gabtab file. Modify the VCS configuration to remove the node. Modify the CVM configuration to remove the node.	See Modifying the VCS configuration files on existing nodes. See Modifying the Cluster Volume Manager (CVM) configuration on the existing nodes to remove references to the deleted node.
If the existing cluster is configured to use server-based I/O fencing, remove the node configuration from the Coordination Point (CP) server.	See Removing the node configuration from the CP server.
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 .
Updating the Storage Foundation for Databases (SFDB) repository after removing a node	See Updating the Storage Foundation for Databases (SFDB) repository after removing a node.

The Veritas product installer does not support removing a node. You must remove a node manually. The example procedures describe how to remove a node from a cluster with three nodes.