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ACFS: How to Dismount an ACFS Filesystem in Forced Manner in Exadata or ODA or Non-Engineered Systems Configurations (Doc ID 2204613.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.2 [Release 11.2 to 12.1]
Oracle Database Appliance Software - Version 12.1.2.1 to 12.1.2.7 [Release 12.1]
Oracle Exadata Storage Server Software - Version 11.2.1.2.0 to 12.1.2.3.4 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

ACFS filesystem cannot be dismounted due to the next error:

[grid@asmcloud3 ~]$ df -m /cloudfs
Filesystem 1M-blocks Used Available Use% Mounted on
/dev/asm/acfsvol-224 10240 173 10068 2% /cloudfs

 

[grid@asmcloud3 ~]$ umount /cloudfs

umount: cloudfs: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
umount: /cloudfs: device is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))

 

Cause

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In this Document
Symptoms
Cause
Solution
 Community Discussions Exadata
 Community Discussions ODA
 Community Discussions ASM-ACFS
References


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