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Oracle Clusterware: Patch installation (Doc ID 557934.1)

Last updated on AUGUST 29, 2023

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.1 to 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Oracle Server Enterprise Edition - Version: to


This document explains the considerations and concepts needed to apply a patch (bundle patch or patch set).  It also documents the generic steps followed when Oracle Clusterware (CRS) is patched.

This note also describes the different components present when CRS is installed and how these are updated while patching.

This note is intended for patch installation on Unix. Please check <note:743126.1> for patch installations on Windows platforms.


This note lists the generic steps to apply a patch and clarifies how the Oracle Clusterware components are  updated through patching.

Please note that this article is meant as a supplement and not as a replacement for the README for any patch.  This information should prove helpful for troubleshooting potential issues encountered while patching.


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In this Document
 How Oracle Clusterware is Different from the RDBMS
 Types of patches
 Applying PatchSets
 Applying Bundle Patches (CRSBP/MLR)

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