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Published on 22 December 2014
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ISBN-10: 0738440213
ISBN-13: 9780738440217
IBM Form #: SG24-8178-00
Authors: Frank Kyne, Andy Clifton, Justin Deane, Fernando Ferreira, Richard Gunjal, Chuck Laurent, John Papp, Judy Ruby-Brown, Maida Snapper, Michael Stephen, Dave Viguers, Marna Walle and Yvonne Zemotel
Abstract
This IBM® Redbooks® publication is intended to make System Programmers, Operators, and Availability Managers aware of the enhancements to recent releases of IBM z/OS® and its major subsystems in the area of planned outage avoidance. It is a follow-on to, rather than a replacement for, z/OS Planned Outage Avoidance Checklist, SG24-7328.
Its primary objective is to bring together in one place information that is already available, but widely dispersed. It also presents a different perspective on planned outage avoidance. Most businesses care about application availability rather than the availability of a specific system. Also, a planned outage is not necessarily a bad thing, if it does not affect application availability. In fact, running for too long without an IPL or subsystem restart might have a negative impact on application availability because it impacts your ability to apply preventive service. Therefore, this book places more focus on decoupling the ability to make changes and updates to your system from IPLing or restarting your systems.
Table of Contents
Chapter 1. Planned outage considerations
Chapter 2. Project planning and user experiences
Part 1. z/OS components
Chapter 3. z/OS enhancements: Availability and diagnostics
Chapter 4. z/OS enhancements: Base Control Program
Chapter 5. z/OS enhancements - GRS
Chapter 6. z/OS enhancements: Resource Recovery Services
Chapter 7. z/OS enhancements: XCF and System Logger
Chapter 8. z/OS enhancements: Communications Server
Chapter 9. z/OS enhancements: DFSMS
Chapter 10. z/OS enhancements: Distributed File Service (zFS)
Chapter 11. z/OS enhancements: Security Server (RACF)
Chapter 12. z/OS enhancements: ICSF
Chapter 13. z/OS enhancements: JES2
Chapter 14. z/OS enhancements: JES3
Chapter 15. z/OS enhancements: Infoprint Server
Chapter 16. z/OS enhancements: TSO/E
Chapter 17. z/OS enhancements: z/OS UNIX
Part 2. z/OS middleware
Chapter 18. CICS considerations
Chapter 19. DB2 considerations
Chapter 20. IMS considerations
Chapter 21. WebSphere MQ for z/OS
Appendix A. Items requiring an IPL or recycle
Appendix B. DB2 UNIX file system maintenance considerations
