IBM OS/390 User Manual

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Perform Production Tests

A c t u a l C o n v e r s i o n

Convert Development Code

Mass Conversion JCL Supply

JCL Mass Conversion

″

Fix & Freeze

″ 

JCL

Last Program Supply

Last Mass Program Conversion

″

Freeze & Fix

″ 

P r o g r a m s

♦

Switchover Can Start

OS/390 S w i t c h o v e r

Final Switchover Preparation

♦

A c t u a l S w i t c h o v e r

OS/390 Operations

♦

Project End

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Chapter 

3.

Developing the Plan