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by Alexander Warmuth, Peter Klee, Thomas Luther
DS8000 4-Site Replication with IBM Copy Services Manager
Front cover
Notices
Trademarks
Preface
Authors
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Chapter 1. Introducing 4-site replication
1.1 Overview
1.2 4-site concepts
1.2.1 4-site setup with High Availability per region
1.2.2 4-site setup with Disaster Recovery per region
1.3 Options
1.3.1 z/OS HyperSwap
1.3.2 Copy Service Manager
1.3.3 GDPS
Chapter 2. Requirements
2.1 Hardware requirements
2.2 Software requirements
Chapter 3. Setting up the 4-site environment
3.1 Metro Mirror - Global Mirror with 4-site replication session
3.2 Combining IBM z/OS HyperSwap with the 4-site session
Chapter 4. Managing 4-site replication by using CSM
4.1 Overview
4.1.1 Exploring the 4-site session
4.1.2 General operational steps
4.1.3 State and Status
4.1.4 Normal operations
4.2 Planned site failover scenarios
4.2.1 Site failover from H1 to H2
4.2.2 Region failover from H1 to H3
4.2.3 Site failover from H3 to H4
4.2.4 Region failover from H2 to H3
4.2.5 Region failover from H4 to H1
4.3 Practice scenarios
4.3.1 General overview
4.3.2 Practice failover at the Metro Mirror target site
4.3.3 Practice failover at Global Mirror target site
4.3.4 Practice failover at fourth site
4.4 Creating a Golden Copy at fourth site
4.5 Unplanned scenarios
4.5.1 Outage of the production site
4.5.2 Outage of a target site
4.6 Back-out scenarios
4.6.1 Back-out to H1 from planned H2 recovery
4.6.2 Back-out to H3 from unplanned H2 recovery
4.6.3 Back-out to H4 from unplanned H3 recovery
4.6.4 Back-out to restored Golden Copy from unplanned H3 recovery
Appendix A. Automation
A.1 CSM scheduled task
A.2 Scheduled task examples for 4-site session
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ISBN 0738458465
REDP-5517-00
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