ClusterPack V2.4 provides a mechanism to retain the configuration settings from a ClusterPack V2.3 cluster.
Before starting the upgrade, it is important to have all of your Compute Nodes in good working order. All Compute Nodes and MP cards should be accessible. The LSF queues (if in use) should be empty of all jobs, and the nodes should be idle.
Instructions for upgrading from V2.2 or V2.3 to V2.4:
1.Backup the cluster
2.Install the V2.4 backup utilities.
%swinstall
3.Take a backup of the cluster information.
%/opt/clusterpack/bin/clbackup
<backup_file_name>
4.Copy the backup file to another system for safe keeping.
5.Remove the TCP wrappers on your Compute Nodes.
% clsh /usr/bin/perl
6.Remove Compute Nodes from the SIM database.
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