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Re: free space of root partition decreases unaccountably by some 1024 bl

To: Roland Eggner <edvx1@xxxxxxxxxxxxxxxxxx>
Subject: Re: free space of root partition decreases unaccountably by some 1024 blocks on every umount+linux shutdown
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Wed, 12 Aug 2009 22:16:40 -0500
Cc: SGI Project XFS mailing list <xfs@xxxxxxxxxxx>
In-reply-to: <200908121955.07682.edvx1@xxxxxxxxxxxxxxxxxx>
References: <200908121955.07682.edvx1@xxxxxxxxxxxxxxxxxx>
User-agent: Thunderbird 2.0.0.22 (Macintosh/20090605)
Roland Eggner wrote:
> History which lead to actual problem
> ------------------------------------
> On July 4th I switched from kernel 2.6.29.5 to 2.6.29.6.
> 
> On July 18th I noticed the first time this unaccountable decrease of free 
> space of my root partition /dev/hda7:
> For at least several boot-shutdown-cycles it has decreased on every cycle by 
> some 1020 … 1030 blocks from originally above 100 MB to 96 MB.
> Expected change at most ±1 block.  Neither xfs_check nor xfs_repair -dn could 
> detect any flaws.

Maybe I missed it in the email, but how have you ruled out the
possibility that files are simply growing, thereby using the space?

Have you compared

# ls -laR /

and/or

# du -hcx /

between a couple of boots?

-Eric

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