Preparing the system for IBM i software upgrade or replacement
To prepare the system for software installation, review and perform the preparation tasks that pertain to your system.
- Verifying firmware requirements for the new release
Before you upgrade to the next release, verify the server firmware level that is supported. - Reviewing software PTF (fix) requirements
Before you begin the IBM® i installation process, make sure that your system is ready by reviewing your requirements for program temporary fixes (PTFs). - Working with critical system values before you install software
System values are IBM-supplied objects that can be modified from their shipped value to tailor certain aspects of the IBM i operating system to your environment. The software installation program will overlay these objects on your system with values that are supplied on the installation media. - Verifying the integrity of user-modified system objects
When you replace your software with the new IBM i release, the system keeps changes you made to some IBM-supplied objects. - Ensuring two-phase commit integrity
Complete or cancel all pending resynchronizations of commitment control definitions before you replace your IBM i software. - Minimizing software installation time
These actions can minimize the time required to install your IBM i software. - Gathering performance data for benchmark
Establish system benchmarks before you install a new version of the IBM i operating system or make a major system configuration change such as adding a new software application.
Parent topic: Preparing to upgrade or replace IBM i software