Preparing to upgrade or replace i5/OS software

 

Perform these preparatory tasks, some of which are mandatory, before you schedule your installation.

Careful, complete, and early preparation saves a considerable amount of time and can help make your software release upgrade on your system run smoothly. To do the tasks in this topic, you will need to sign on as security officer (QSECOFR user profile). Allow ample time (a few weeks or days before the installation) to complete these tasks before you perform the actual installation tasks.

If you are setting up logical partitions, plan in advance of your installation and have a basic understanding of logical partitions plus your software and hardware requirements. For System i™ 8xx or earlier models, refer to Planning for logical partitions . For all other models, refer to Planning for logical partitions . You can also have different release levels on different partitions. For directions on how to do these correctly, see Logical partition release support for System i 8xx or earlier models.

The following topics pertain to the preparation tasks for software upgrades or replacement.

• Verifying the contents of your software order
  To save you time and avoid frustration, verify that the contents of your i5/OS^® software order are correct before you start the installation.

• Preparing the system for i5/OS software upgrade or replacement
  To prepare the system for software installation, review and perform the preparation tasks that pertain to your system.

• Performing initial upgrade or replacement tasks
  Complete these initial installation tasks, which include saving the system. Several of these initial tasks are required for a successful i5/OS software upgrade.

• Saving the system
  Before you upgrade to a new i5/OS release, you should have a current backup copy of your system.

 

Parent topic:

Upgrading or replacing i5/OS and related software