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Minimal downtime patching via cloning 11gR2 ORACLE_HOME directories (Doc ID 1136544.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Oracle Exadata Hardware - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Oracle Database - Enterprise Edition - Version 11.2.0.1.0 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Goal

This document describes a procedure to install patches on RDBMS and GRID ORACLE_HOME directories specifically in a clustered environment with a minimal amount of downtime and risk.

Solution

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In this Document
Goal
Solution
 Overview
 Cloning and patching the Oracle Grid Infrastructure (GRID)
 General
 Pre-requisite checks:
 Start the cloning procedure:
 Apply the patch to the cloned home
 Switch to the cloned home
 Cloning and patching a database home (RDBMS)
 Start the cloning procedure:
 Apply the patch to the cloned home
 Switch to the cloned home
 Modify Database(s)
 Restart database and related services, apply post-install SQL scripts
 Clean up
References

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