DB2 for z/OS: Data Sharing in a Nutshell

An IBM Redbooks publication

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

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Published on October 16, 2006, updated July 23, 2007

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ISBN-10: 0738496553
ISBN-13: 9780738496559
IBM Form #: SG24-7322-00


Authors: Paolo Bruni, Mark Anders, KyengDong Park, Mark Rader and Judy Ruby-Brown

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    Abstract

    DB2 for z/OS takes advantage of data sharing technology in a z Parallel Sysplex to provide applications with full concurrent read and write access to shared DB2 data. Data sharing allows users on multiple DB2 subsystems, members of a data sharing group, to share a single copy of the DB2 catalog, directory, and user data sets.

    Data sharing provides improvements to availability and capacity without impacting existing applications.

    The road to data sharing might seem arduous to a novice user, but once you have started to learn terminology and gain basic understanding, things will become much easier.

    This IBM Redbooks publication is meant to facilitate your journey towards data sharing by providing a cookbook approach to the main tasks in enabling data sharing and workload balancing. It does not have all the answers, because it is a brief summary of a large field of knowledge, but it contains the key elements and it points you in the right direction to get more details. Throughout this document we assume that your sysplex environment is set up and a DB2 subsystem exists at a currently supported level.

    Table of Contents

    Chapter 1. Introduction

    Chapter 2. Data sharing architecture

    Chapter 3. The coupling facility

    Chapter 4. Implementing data sharing

    Chapter 5. Dynamic workload balancing

    Chapter 6. Operations

    Chapter 7. Advanced topics

    Chapter 8. Best practices

     

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