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How to Identify and Diagnostic ASM Disk Overlapping by an OS Filesystem (ASM Disk Overlapping : Scenario #3) (Doc ID 1934304.1)

Last updated on SEPTEMBER 26, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 12.1]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata 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.


1) This document provides an example about how to identify and diagnostic ASM disk overlapping by an OS filesystem.

2) This overlapping action is a destructive operation which corrupts for sure the ASM disk.

3) For example

3.1) Diskgroup is dismounted due to the next errors:



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