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.
The creation of cluster enabled Linux volume fails with Error 23384. This is because of the deprecation of clvmd support for lvm commands on SLES. Cluster enabled lvm2 volume on OES 2018 SP3 or earlier goes comatose after upgrade to OES 2023.