Follow these procedures to upgrade or replace software, which include preparing for the upgrade or replacement, installing software using either automatic or manual installation, and completing the final checklist.
This information contains task-oriented instructions to upgrade or replace i5/OS™ and its related software on a system that uses optical or tape distribution media. You must have either V5R2, V5R3, or V5R4 currently installed on your server to be able to upgrade to or replace V5R4. If you want to install a more recent update of the same version and release such as, for example, to support new hardware at the current release, go to Replacing Licensed Internal Code and i5/OS of the same version and release. Otherwise continue with Upgrading or replacing i5/OS and related software.