ACFS - "NO SPACE LEFT ON DEVICE" But df Reports Enough Free Space (Doc ID 1436383.1)

Last updated on MARCH 23, 2012

Applies to:

Oracle Server - Enterprise Edition - Version: 11.2.0.1 and later   [Release: 11.2 and later ]
Information in this document applies to any platform.

Symptoms

You are trying to create any new file on ACFS could return "no space left on device" even OS "df" command returns enough free space on ACFS.

Checking free space at OS level:
[root@server_name appmount] # df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/asm/appmountacfs-53
25G 16G 9.9G 61% /appmount

Trying to create a small file:
[root@server_name appmount] # touch test.txt
touch: cannot touch `test.txt': No space left on device

Free space is also reported by "acfsutil" command.

Cause

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