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Re: Filesystem Consistency Issues

To: linux-xfs@xxxxxxxxxxx
Subject: Re: Filesystem Consistency Issues
From: Federico Sevilla III <jijo@xxxxxxxxxxx>
Date: Wed, 7 Dec 2005 12:22:28 +0800
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References: <20051204142506.GE2605@xxxxxxxxxxx> <20051205014137.GA7685@xxxxxxxxxxxxxx> <p734q5nsre6.fsf@xxxxxxxxxxxxx> <43943F3E.5080804@xxxxxxx> <43947977.8070904@xxxxxxx> <20051205234932.GA3406@xxxxxxxxxxx> <43959BC8.60403@xxxxxxx>
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On Tue, Dec 06, 2005 at 08:10:16AM -0600, Eric Sandeen wrote:
> Out of curiosity, how much space is reclaimed by the rescue mount, and
> how much by the repair?

I don't have exact figures, but for a 20GB filesystem with only 800MB
used "for real", the rescue mount brought usage down to about 15GB, and
then the repair took care of the rest.

> What is the output of repair when you run it?  That may offer some
> clues.

Basically just disconnected inodes that were dumped in lost+found, which
correspond to data that our POS system had just created locally for
audit purposes when the machines were turned off (part of our fix is
correcting this practice and maybe adding an fsync() after the audit
files are written).

I'll make it a point to have better answers for these questions during
our next clean up run.

 --> Jijo

-- 
Federico Sevilla III : jijo.free.net.ph : When we speak of free software
GNU/Linux Specialist : GnuPG 0x93B746BE : we refer to freedom, not price.


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