How to Replace a Corrupt OCR Mirror File (Device/File Needs To Be Synchronized With The Other Device)
(Doc ID 317628.1)
Last updated on NOVEMBER 06, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.3 [Release 10.2 to 11.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Goal
From Oracle Database 10g Release 2 (10.2) Oracle Clusterware provides the creation of a mirrored Oracle Cluster Registry (OCR) file, enhancing cluster reliability. From 11.2 onwards, upto 4 OCR mirror can be created.
The ocrconfig command, used to perform OCR configuration operations, has the new option to add, replace and remove the OCR file and its mirror copy:
ocrconfig -replace ocr|ocrmirror [<filename>]
In this article we will show how to use the good OCR copy to replace the corrupt mirror copy and how to workaround the potential PROT-22 error during that operation.
Solution
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In this Document
| Goal |
| Solution |
| References |