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Oracle® Real Application Clusters Administration and Deployment Guide
11g Release 2 (11.2)

Part Number E16795-07
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The Oracle Real Application Clusters Administration and Deployment Guide describes the Oracle Real Application Clusters (Oracle RAC) architecture and provides an overview of this product. This book also describes administrative and deployment topics for Oracle RAC.

Information in this manual applies to Oracle RAC as it runs on all platforms unless otherwise noted. In addition, the content of this manual supplements administrative and deployment topics for Oracle single-instance databases that appear in other Oracle documentation. Where necessary, this manual refers to platform-specific documentation. This Preface contains these topics:


The Oracle Real Application Clusters Administration and Deployment Guide is intended for database administrators, network administrators, and system administrators who perform the following tasks:

Documentation Accessibility

Our goal is to make Oracle products, services, and supporting documentation accessible to all users, including users that are disabled. To that end, our documentation includes features that make information available to users of assistive technology. This documentation is available in HTML format, and contains markup to facilitate access by the disabled community. Accessibility standards will continue to evolve over time, and Oracle is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. For more information, visit the Oracle Accessibility Program Web site at

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Screen readers may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, some screen readers may not always read a line of text that consists solely of a bracket or brace.

Accessibility of Links to External Web Sites in Documentation

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Access to Oracle Support

Oracle customers have access to electronic support through My Oracle Support. For information, visit or visit if you are hearing impaired.

Related Documents

This book, the Oracle Real Application Clusters Administration and Deployment Guide, provides administration and application deployment information that is specific to Oracle RAC. The discussions herein assume a knowledge of Oracle Clusterware.

For more information, see the Oracle resources listed in this section.


Additional information for this release may be available in the Oracle Database 11g README or Release Notes. If these documents are available for this release, then they are on your Oracle product installation media.

Database error messages descriptions are available online or by way of a Tahiti documentation search.


The following text conventions are used in this document:

Convention Meaning
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italic Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.
monospace Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.