Prerequisites to upgrade (upgrade only)
If you are running a release that is earlier than 7.3, you must upgrade to release 7.3 before upgrading to release 8.1.1. For information on upgrading to release 7.3, see the Installation and Upgrade Instructions for release 7.3.
If you are upgrading from release 8.1, 8.1.0.1 or 8.1.0.2 to release 8.1.1, proceed to Upgrading from release 8.1, 8.1.0.1 or 8.1.0.2 to 8.1.1.