This IBM® Redbooks® publication provides information to help clients that have JES3 and want to migrate to JES2. It provides a comprehensive list of the differences between the two job entry subsystems and provides information to help you determine the migration effort and actions.

This book considers the features of JES2 as available on releases of IBM z/OS® V2R3 and V2R4. It should be used with JES3 to JES2 Migration Considerations, SG24-8083.

This publication is divided into three parts:

This book is aimed at operations personnel, system programmers, and application developers.

This book was produced by a team of specialists from around the world working at the International Technical Support Organization, Poughkeepsie Center.

Luiz Fadel is a consultant for Maffei Consultoria em Informatica Ltda. He retired from IBM in 2013 as an IBM Distinguished Engineer, responsible for supporting IBM System z® for the Latin America region, part of the Growth Markets Unit. He joined IBM in 1969 and has supported large systems since then, including working on two assignments with the International Technical Support Organization (ITSO). He was a member of the zChampions team and the co-author of several IBM Redbooks publications.

Lutz Kuehner is a Senior z/OS System Engineer at Credit Suisse in Switzerland. He has 33 years of experience in IBM z Systems®. Lutz has worked for 10 years in the IBM Z® Presales support in Germany, developing and providing professional services for customers in the financial market. In addition to co-authoring several IBM Redbooks publications since 2001, he has been an official ITSO presenter at ITSO workshops.

Ricardo Paranhos is a Senior z/OS System Programmer at IBM Brazil. He has 30 years of experience in IBM z Systems acting as Solution Architect for z/OS projects and z/OS support. He holds a degree in Electrical Engineer and Bacherol of System Analysis. He is a member of IBM Academic Initiative program since 2014. His areas of expertise include z/OS System Performance and Capacity Planning, IBM Parallel Sysplex® environment, DFSMS, and Legacy Modernization. He has developed some utilities for users that are available on the CBTTAPE site.

 

 

Thanks to the authors of the previous editions of this book:

Thanks to the following people for their contributions to this project:

Lydia Parziale, Project Manager
International Technical Support Organization, Poughkeepsie Center

Tom Wasik, Gary Puchkoff
IBM USA

Yves Colliard
YCOS GmbH Germany

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