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OERR: ORA-00227 corrupt block detected in controlfile: (block %s, # blocks %s) Master Note / Troubleshooting, Diagnostic and Solution (Doc ID 48808.1)

Last updated on JULY 22, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 8.0.6.0 to 12.1.0.2 [Release 8.0.6 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.

Purpose

This article provides information about error ORA-00227 and possible actions.

Scope

 This note is intended for general audience as initial starting point for beginning diagnosis of ORA-00227.

Details

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In this Document
Purpose
Scope
Details
 Cause
 Identify if Bug 20324049 may be causing the error ORA-227
 Take a backup of the control files as they are now
 Identify which control file is failing
 Execute DBVERIFY on all Control Files
 Solution
 Solution 1. Use another mirror copy of the control file
 Solution 2. Recreate the control file
 Solution 3. Restore a backup of the control file and apply media recovery
 If the database is on IBM AIX, make sure to review the issue described in <Note 2237498.1>
References

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