562WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
17.6.3 Overview of the migration process
The product code of WebSphere Application Server for z/OS V8.5 is brought into the system
by using System Modification Program/Extended (SMP/E) or in an IBM Installation Manager
repository format. The code is installed by IBM Installation Manager for z/OS. The migration is
then performed by using a three-step approach:
1.Back up the old environment to have a fallback option.
2.Create and transfer the job control language (JCL) jobs needed during the actual
migration (CNTL and DATA data sets).
3.Run the JCL jobs to perform the m ...
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