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Oracle 11g R1/R2 Real Application Clusters Essentials

You're reading from   Oracle 11g R1/R2 Real Application Clusters Essentials Design, implement, and support complex Oracle 11g RAC environments for real world deployments

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Product type Paperback
Published in May 2011
Publisher Packt
ISBN-13 9781849682664
Length 552 pages
Edition 1st Edition
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Table of Contents (20) Chapters Close

Oracle 11g R1/R2 Real Application Clusters Essentials
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. High Availability FREE CHAPTER 2. Oracle 11g RAC Architecture 3. Clusterware Installation 4. Automatic Storage Management 5. Managing and Troubleshooting Oracle 11g Clusterware 6. RAC Database Administration and Workload Management 7. Backup and Recovery 8. Performance Tuning 9. Oracle 11g Clusterware Upgrade 10. Real-world Scenarios 11. Enabling RAC for EBS 12. Maximum Availability Additional Resources and Tools for the Oracle RAC Professional Index

Overview of an upgrade


If we decide to welcome an upgrade, then we can potentially have many exciting new features that may be useful for our applications. At the same time, if we decide against an upgrade, it is very important that we are aware of the negative aspects of not upgrading.

It is not mandatory to upgrade an existing environment whenever a new version is released; however, there are many circumstances that may prompt you to consider an upgrade. The following presents a few possible situations and scenarios where you may opt for an upgrade:

  • You may not be able to resist the temptation of an upgrade, with the possibility of the new release/version's features being more advanced than the previous version.

  • Your organization may have a set policy or standards to stay updated with the latest technologies.

  • You may need to upgrade a version that is being de-supported by Oracle. In this case, Oracle does offer the option of an extended support period.

Note

It is strongly recommended...

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