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Using Oracle 11g Release 2 Real Application Clusters with Oracle E-Business Suite Release 12 [ID 823587.1]
Modified: 28-Mar-2012

Type: WHITE PAPER

Status: PUBLISHED

Priority: 3

Oracle Applications Release 12 has numerous configuration options that can be chosen to suit particularbusiness scenarios, uptime
requirements, hardware capability, and availability requirements. This document describes how to migrate Oracle Applications Release
12 running on a single database instance to an Oracle Real Application Clusters (Oracle RAC) environment running Oracle Database 11g
Release 2 (11gR2).

Note: At present, this document applies to UNIX and Linux platforms only. If you areusing Windows and want to migrate to Oracle
RAC or ASM, you must follow the procedures described in the Oracle Real Application Clusters Administration and Deployment Guide
11g Release 2 (11.2) and the Oracle Database Administrator's Guide 11g Release 2 (11.2).

The most current version of this document can be obtained in My Oracle Support Knowledge Document 823587.1.
There is a change logat the end of this document.

Note: Most documentation links are to the generic Oracle 11gR2 documentation. As installation documentation is platform-specific,
the links provided are for Linux. You should refer to the installation documentation for your platform.

A number of conventions are used in describing the Oracle Applications architecture:
Convention

Meaning

Application tierMachines (nodes) running Forms, Web, and other services (servers). Sometimes called middle tier.

Database tier

Machines (nodes) running the Oracle Applications database.

oracle

User account that owns the database file system (database ORACLE_HOME and files).

CONTEXT_NAME

The CONTEXT_NAME variable specifies the name of the Applications context that is used by AutoConfig. Thedefault is _.

CONTEXT_FILE

Full path to the Applications context file on the application tier or database tier. The default locations are as
follows.
Application tier context file:
/admin/.xml
Database tier context file:
/appsutil/.xml

APPSpwd

Oracle Applications database user password.

Monospace Text Represents command line text. Type such a command exactly as shown.


Textenclosed in angle brackets represents a variable. Substitute a value for the variable text. Do not type the
angle brackets.

\

On UNIX or Linux, the backslash character can be entered to indicate continuation of the command line on the next
screen line.

This document is divided into the following sections:
Section 1: Overview
Section 2: Environment
Section 3: Database Installationand Oracle RAC Migration
Section 4: References
Appendix
Appendix
Appendix
Appendix
Appendix
Appendix

A: Sample rconfig XML file
B: Example Grid Installation
C: Database Conversion - Known Issues
D: Enabling/Disabling SCAN Listener Support in Autoconfig
E: Instance and Listener Interaction
F: Shared ORACLE_HOME and TNS_ADMIN

8/17/2012 11:25 AM

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Section 1: Overview
You should be familiar with Oracle Database 11gR2, and have a good knowledge of Oracle Real Application Clusters (RAC). Refer to the
Oracle Real Application Clusters Administration and Deployment Guide 11g Release 2 (11.2) when planning to set up Oracle Real
Application Clusters and shared devices.
1.1Cluster Terminology
You should understand the terminology used in a cluster environment. Key terms include the following.
Automatic Storage Management (ASM) is an Oracle database component that acts as an integrated file system and volume
manager, providing the performance of raw devices with the ease of management of a file system. In an ASM environment, you
specify a disk group rather than the...