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How to use FSCK to check and repair ACFS. (Doc ID 1644499.1)

Last updated on OCTOBER 22, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 19.13.0.0.0 [Release 11.2 to 19]
Oracle Database Cloud Schema 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
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

You noticed many inconsistencies in different asm metadata views, asmcmd and os outputs that are associated with the ACFS file system. Database shows corruption in RMAN or from dbverify. Database uses ACFS.
ALTER DISKGROUP CHECK REPAIR comes back clean but you still see errors or check for corruption returns back positive, eg:

 

Changes

 

Cause

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