My Oracle Support Banner

How to Deconfigure/Reconfigure(Rebuild OCR) or Deinstall Grid Infrastructure (Doc ID 1377349.1)

Last updated on MAY 24, 2021

Applies to:

Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Purpose

This note provides instruction to deconfigure/reconfigure or deinstall 11gR2/12c/18c Grid Infrastructure. 

Note: in 12c, while performing the procedure, instead of rootcrs.pl, rootcrs.sh should be used if exists in the same location as rootcrs.pl

 

Scope

 

Details

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Purpose
Scope
Details
 Unpin before node delete
 A. Grid Infrastructure Cluster - Entire Cluster
 Why is deconfigure needed?
 Steps to deconfigure
 B. Grid Infrastructure Cluster - One or Partial Nodes
 Steps to deconfigure and reconfigure
 C. Grid Infrastructure Standalone (Oracle Restart)
 Why is deconfigure needed?
 Steps to deconfigure
 D. Grid Infrastructure Deinstall
References

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.