Observe the following requirements and software-support guidelines when you upgrade to the Oracle Solaris Cluster 4.2 software:
Minimum Oracle Solaris OS - Oracle Solaris 11.1 is the minimum required to support Oracle Solaris Cluster 4.2 software.
Upgrade paths – Oracle Solaris Cluster 4.2 software supports the following direct upgrade paths:
Upgrade from at least version 4.0 SRU 2 - Use the standard or dual-partition method.
Upgrade from at least version 4.1 – You can also use the rolling upgrade method.
Supported hardware - The cluster hardware must be a supported configuration for Oracle Solaris Cluster 4.2 software. Contact your Oracle representative for information about current supported Oracle Solaris Cluster configurations.
Architecture changes during upgrade - Oracle Solaris Cluster 4.2 software does not support upgrade between architectures.
Software migration - Do not migrate from one type of software product to another product during Oracle Solaris Cluster upgrade. Perform only software configuration changes that are specified by upgrade procedures of an installed software product.
Upgrading to compatible versions - You must upgrade all software on the cluster nodes to a version that is supported by Oracle Solaris Cluster 4.2 software. For example, if an application version is supported on Oracle Solaris Cluster 4.1 software but is not supported on Oracle Solaris Cluster 4.2 software, you must upgrade to an application version that is supported on Oracle Solaris Cluster 4.2 software, if such a version of the application exists. See the Oracle Solaris Cluster 4 Compatibility Guide for information about supported products (requires My Oracle Support login).
Migration from Oracle Solaris 10 - You can alternatively migrate Oracle Solaris Cluster 3.3 software running on the Oracle Solaris 10 OS to a solaris10 brand zone cluster. On a global cluster that already runs Oracle Solaris Cluster 4.2 software on Oracle Solaris 11 software, create a new solaris10 brand zone cluster. Then migrate to the zone cluster your Oracle Solaris Cluster 3.3 configuration and applications. See Chapter 6, Creating Zone Clusters, in Oracle Solaris Cluster Software Installation Guide and Creating the Image for Directly Migrating Oracle Solaris 10 Systems Into Zones in Creating and using Oracle Solaris 10 Zones .
Zone cluster upgrade – To upgrade the Oracle Solaris OS or Oracle Solaris Cluster software that is running in a zone cluster, you must upgrade the underlying global cluster. Do not attempt to upgrade the OS or cluster software directly in the zone cluster. The exception is upgrade of Geographic Edition software, which you must upgrade directly in a zone cluster.
Failover zone upgrade – You can upgrade failover zones only when using the standard upgrade or rolling upgrade method. You cannot upgrade failover zones if you are using the dual-partition upgrade method.
Downgrade - Oracle Solaris Cluster 4.2 software does not support any downgrade of Oracle Solaris Cluster software.
Limitation of scinstall for data-service upgrades - The scinstall upgrade utility only upgrades those data services that are provided with Oracle Solaris Cluster 4.2 software. You must manually upgrade any custom or third-party data services, unless they also have IPS packages and later versions are available in their publisher.