Use this information to upgrade to a different i5/OS® release, upgrade your hardware, or migrate your data from one system to another.

Upgrading your iSeries server
Use this information to upgrade from one IBM eServer iSeries server, hardware feature, or i5/OS release to another iSeries server, hardware feature or i5/OS release. To upgrade to an eServer or IBM Systems platform, see the Upgrades topic in the IBM Systems Hardware Information Center.

Data migrations
An i5/OS data migration is the process of moving data from one system that is running OS/400 (i5/OS) V5R2, V5R3, or V5R4 to another system running V5R4.