WebSphere Replication Server Using Q Replication High Availability Scenarios for the AIX Platform

An IBM Redbooks publication

Published 07 June 2006, updated 16 June 2006

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ISBN-10: 0738497118
ISBN-13: 9780738497112
IBM Form #: SG24-7216-00
(336 pages)

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Authors: Nagraj Alur, Steffen Herold, Huey Kim, Makiko Tsuchida, Mark Wiman

Abstract

This IBM Redbooks publication provides detailed instructions and scripts on managing failover and switchback in a bidirectional Q replication environment for the AIX platform.

A typical business scenario is used to showcase the bidirectional failover/switchback implementation. The book also includes a HADR high availability scenario for the source system in a Q replication environment involving unidirectional replication. Key considerations in designing and implementing such environments are discussed.

This book is organized into the following topics:
- High availability concepts
- WebSphere Replication Server Q replication overview
- Failover and switchback scenarios
- HADR and Q replication coexistence scenario
- Summary of code and scripts used in the scenarios
- Exception processing in a bidirectional Q replication environment
- Overview of HADR and DB2 Client Reroute

Table of contents

Chapter 1. High availability concepts
Chapter 2. WebSphere Replication Server Q replication overview
Chapter 3. Failover and switchback scenarios
Chapter 4. HADR and Q replication coexistence scenario
Appendix A. Summary of code and scripts used in the scenarios
Appendix B. Exception processing in a bidirectional Q replication environment
Appendix C. Overview of HADR and DB2 Client Reroute
Appendix D. Additional material

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