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Abstract
Year2000 migration is considered to be the largest and most daunting project in the history of information technology. This redbook will help you design and implement a plan to migrate your VM/ESA system to a Year2000-ready state. Included is guidance both on migrating the VM/ESA operating system itself to VM/ESA Version 2 Release 2, the Year2000-ready release, from previous levels of VM/ESA, and on identifying and correcting Year2000 exposures in your application programs to permit them to be migrated successfully as well. The heart of the material in this redbook is a record of real-life experience in VM/ESA Year2000 migration. The project on which the redbook is based was designed as a case study, using partial snapshots of two different IBM customers' VM/ESA systems to represent various aspects of typical production VM/ESA environments. The three authors planned, implemented, tested, and documented the migration to VM/ESA Version 2 Release 2 and the conversion of a diverse collection of application programs - all in the course of six weeks. Also included in this redbook is a brief introduction to the Year2000 challenge in general and specifically to the Year2000 support provided by VM/ESA Version 2 Release 2. Throughout the book you will also find a variety of pointers to other sources of information on Year2000 issues. Thus the book can serve as your primary source of reference material on VM and the Year 2000. This redbook will be of value to VM/ESA system administrators, system programmers, and application programmers who are facing the challenge of ensuring that existing systems and applications function correctly into the next millenium and that new systems and applications are designed and implemented with full Year2000 enablement. It should also be useful to other VM/ESA users who need or want a fuller understanding of VM/ESA-based solutions to Year2000 problems.
Table of contents
Chapter 1. Understanding the Year2000 Challenge 1.0
Chapter 2. VM/ESA's Year2000 Support 2.0
Chapter 3. The Case Study 3.0
Chapter 4. Migrating from VM/ESA Version 1 Release 2.2 to VM/ESA Version 2 Release 2 4.0
Chapter 5. Application Enabling Program Products 5.0
Chapter 6. REXX Based Applications 6.0
Chapter 7. Locating Date Usage 7.0
Chapter 8. Language Environment and PL/I 8.0
Chapter 9. Testing VM/ESA in the Year 2000 9.0
Appendix A. Sample REXX Routines for Year2000 A.0
Appendix B. Sample ISPF Routines for Year2000 B.0
Appendix C. Sample Pl/I Routines for Year2000 C.0
Appendix D. Sample Scan Tool Routines for Year2000 D.0
Appendix E. Installing the Samples from CD-ROM E.0
Appendix F. Special Notices F.0
Appendix G. Related Publications G.0