4.1 Upgrade Overview

This section describes the procedures for upgrading to Sun Cluster 2.2 from existing Solstice HA 1.3, Sun Cluster 2.0, and Sun Cluster 2.1 configurations. The upgrade paths documented here preserve the existing cluster configuration and data. Your systems can remain online and available during most of the upgrade, keeping interruption to services minimal.

To upgrade from Solstice HA 1.3:

• Use the procedure "4.2.1 How to Upgrade From Solstice HA 1.3 to Sun Cluster 2.2".

• If your volume manager is Solstice DiskSuite and you will be upgrading to Solaris 7, you will be required to upgrade to Solstice DiskSuite 4.2.

To upgrade from Sun Cluster 2.0 or 2.1:

• Use the planning information and procedures in "4.3 Upgrading From Sun Cluster 2.0 or 2.1 to Sun Cluster 2.2".

• If your volume manager is SEVM 2.4 and you will be running Solaris 2.6, you must upgrade your volume manager to SEVM 2.5.

Converting from Solstice DiskSuite to SEVM 2.5, SSVM or CVM is not supported by Sun Cluster 2.2.

If you also want to make configuration changes such as adding disks or services, first complete the upgrade and then make the configuration changes by following the procedures documented in the Sun Cluster 2.2 System Administration Guide.

Before starting your upgrade, make sure the versions of any applications you plan to run are compatible with the version of the Solaris operating environment you plan to run.

To upgrade Solaris, you might need to increase the size of your root (/) and /usr partitions on the root disks of all Sun Cluster servers in the configuration to accommodate the Solaris 2.6 or Solaris 7 environment. You must install the Entire Distribution Solaris software packages. See the Solaris Advanced Installation Guide for details.