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Oracle GoldenGate 11g Implementer's guide

You're reading from   Oracle GoldenGate 11g Implementer's guide Design, install, and configure high-performance data replication solutions using Oracle GoldenGate

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Product type Paperback
Published in Feb 2011
Publisher Packt
ISBN-13 9781849682008
Length 280 pages
Edition 1st Edition
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Author (1):
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John P Jeffries John P Jeffries
Author Profile Icon John P Jeffries
John P Jeffries
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Table of Contents (21) Chapters Close

Oracle GoldenGate 11 Implementer's guide
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Getting Started 2. Installing and Preparing GoldenGate FREE CHAPTER 3. Design Considerations 4. Configuring Oracle GoldenGate 5. Configuration Options 6. Configuring GoldenGate for HA 7. Advanced Configuration 8. Managing Oracle GoldenGate 9. Performance Tuning 10. Troubleshooting GoldenGate GGSCI Commands
GoldenGate Installed Components
The Future of Oracle GoldenGate
Index

Failover


By default VIPs and database services automatically failover to a surviving instance in the case of a crash or node eviction. The VIP will automatically failback to its "home" node once the failed database instance restarts. VIPs and database services can also be manually relocated for maintenance reasons using the Oracle Server Control utility's srvctl relocate command, allowing a node to be taken off-line without affecting user connections to the database.

Automatic failover

What does this mean to the GoldenGate Manager process running on one node in a clustered environment?

To help answer this question, Oracle Clusterware can also be installed on other servers apart from the database servers to form a single cluster. For example, you can use four database servers and two additional Oracle GoldenGate servers in the single cluster. The Oracle Database would run on the four database servers and GoldenGate would run on one of the two remaining servers, with failover to its dedicated...

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