Use this information to upgrade to a different i5/OS(TM) release, upgrade your hardware, or migrate your data from one server to another.
Upgrades
Use this information to upgrade hardware features, to upgrade to a different server model, or to upgrade to a more current release of the i5/OS operating system. During an upgrade, the source server and the target server keep the same serial number.
Data migrations
Use this information to migrate data from one server or partition to another server or partition. When performing a data migration, the source server and the target server must have different serial numbers.