System z Mean Time to Recovery Best Practices

An IBM Redbooks publication

Note: This is publication is now archived. For reference only.

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Published on February 27, 2010, updated March 22, 2010

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ISBN-10: 0738433934
ISBN-13: 9780738433936
IBM Form #: SG24-7816-00


Authors: Frank Kyne, Judi Bank, David Sanders, Mark Todd, David Viguers, Cheryl Watson and Shulian Yang

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    Abstract

    This IBM® Redbooks® publication provides advice and guidance for IBM z/OS® Version 1, Release 10 and subsystem system programmers. z/OS is an IBM flagship operating system for enterprise class applications, particularly those with high availability requirements. But, as with every operating system, z/OS requires planned IPLs from time to time.

    This book also provides you with easily accessible and usable information about ways to improve your mean time to recovery (MTTR) by helping you achieve the following objectives:

    - Minimize the application down time that might be associated with planned system outages.

    - Identify the most effective way to reduce MTTR for any time that you have a system IPL.

    - Identify factors that are under your control and that can make a worthwhile difference to the startup or shutdown time of your systems.

    Table of Contents

    Chapter 1. Introduction

    Chapter 2. Systems management

    Chapter 3. z/OS tools

    Chapter 4. z/OS IPL processing

    Chapter 5. z/OS infrastructure considerations

    Chapter 6. CICS considerations

    Chapter 7. DB2 considerations

    Chapter 8. IMS considerations

    Chapter 9. WebSphere considerations

    Appendix A. Sample IPLSTATS report

    Appendix B. Optimizing use of LLA and VLF

    Appendix C. Sample IPL statistics data

     

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