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Acfs Snapshot Space Usage More Than File-system Size (Doc ID 2660918.1)

Last updated on MAY 05, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

4.2TB database was cloned 4 times using ACFS snap, DU reports consumed space 21TB which is more than size(6.7TB) of filesystem.

 oracle@<HOSTNAME>:/acfs_clones/.ACFS/snaps [DB_NAME1]
>du -sh *
4.3T <DB_NAME1>
4.2T <DB_NAME2>
4.2T <DB_NAME3>
4.2T <DB_NAME4>
4.2T <DB_NAME5>

oracle@<HOSTNAME>:/acfs_clones/.ACFS/snaps [DB_NAME1]
>df -h .
Filesystem                      Size Used Avail Use% Mounted on
/dev/asm/acfs_clones-65 6.7T 6.2T 481G 93% /acfs_clones

 

Changes

 Created multiple snap database on ACFS

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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