This IBM Redbooks publication provides detailed instructions and scripts for managing failover and switchback in a WebSphere Replication Server for z/OS bidirectional Q replication environment for the z/OS platform. A typical business scenario is used to showcase the bidirectional failover/switchback implementation. This book also includes a WebSphere MQ shared disk and WebSphere MQ shared queue 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 aimed at an audience of IT architects and database administrators (DBAs) responsible for developing high-availability solutions on the z/OS platform.
Table of contents
Chapter 1. High availability concepts
Chapter 2. WebSphere Replication Server Q replication overview
Chapter 3. Failover and switchback scenarios
Chapter 4. WebSphere MQ shared queues and unidirectional replication
Chapter 5. WebSphere MQ shared disk and unidirectional replication
Appendix A. Summary of code and scripts used in the scenarios
Appendix B. Exception processing in a bidirectional Q replication environment
Appendix C. WebSphere shared queues and shared disk overview
Appendix D. Additional material
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