Message-ID: <471F8E10.3090403@wpkg.org>
Date: Wed, 24 Oct 2007 20:25:20 +0200
From: Tomasz Chmielewski <mangoo@wpkg.org>
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To: LKML <linux-kernel@vger.kernel.org>
Cc: james.ausmus@gmail.com
Subject: Re: Possible 2.6.23 regression - Disappearing disk space
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James Ausmus wrote:

> As a note - when I first see the issue, I have exactly 0 free space
> available on root, as per df - I then delete some random things in
> order to have enough free space to operate, which is why in my first
> df you see 55M available

Perhaps some program still uses some (deleted) files.

Here's how you can achieve a similar effect manually:

# dd if=/dev/zero of=/file

And on another terminal:

# rm -f /file


Now watch your space decreasing with "df -h", although "the file was 
deleted". Was it really?

# lsof -n|grep /file
dd         6406       root    1w      REG        8,1  807791616 
45 /file (deleted)


That said, you might want to use lsof and search for "deleted" before 
concluding any further.


-- 
Tomasz Chmielewski
http://wpkg.org
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