Computer Accessories User Manual

Table 7-3
Tasks that are involved in removing a node
ReferenceTask
See “Verifying the status of nodes and
service groups” on page 132.
■ Back up the configuration file.
■ Check the status of the nodes and the service
groups.
See “Deleting the departing node from
VCS configuration” on page 133.
■ Switch or remove any VCS service groups on
the node departing the cluster.
■ Delete the node from VCS configuration.
See “Modifying configuration files on
each remaining node” on page 136.
Modify the llthosts and gabtab files to reflect the
change.
See “Removing security credentials
from the leaving node ” on page 136.
For a cluster that is running in a secure mode,
remove the security credentials from the leaving
node.
See “Unloading LLT and GAB and
removing VCS on the departing node”
on page 137.
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 VCS RPMs.
Verifying the status of nodes and service groups
Start by issuing the following commands from one of the nodes to remain, node
galaxy or node nebula.
Adding and removing cluster nodes
Removing a node from a cluster
132