You can upgrade a Novell Open Enterprise (OES) 2 Linux (or later) cluster to OES 2 SP3 Linux. This section describes the upgrade process and how to manage the temporarily mixed cluster during the upgrade.
Section 6.1, Requirements for Upgrading Clusters
Section 6.2, Upgrading OES 2 Clusters (Rolling Cluster Upgrade)
Section 6.3, Upgrade Issues for OES 2 SP1 or Later
Section 6.4, Upgrade Issues for OES 2 SP2
Section 6.5, Upgrade Issues for OES 2 SP3