If you stop the cluster service on a cluster node while running Update 2 OES 2023 Patch or the latest kernel version, the cluster node will crash. To avoid the cluster node from crashing, follow the below steps:
Log in to the node as the root user, then open a terminal console.
Disable the Novell Cluster Service.
systemctl disable novell-ncs.service
Remove the node from the cluster.
cluster leave
Ensure that all cluster resources are moved to other cluster node.
Stop the Novell Cluster Service.
systemctl stop novell-ncs.service
NOTE:Stopping the Novell Cluster Service leads to cluster node crash.
Reboot the server.
Enable the Novell Cluster Service on the cluster node.
systemctl enable novell-ncs.service
Apply the Update 3 OES 2023 Patch on the cluster node.
zypper patch
Reboot the server.