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Date:      Thu, 13 Aug 2009 18:01:27 -0400
From:      Jerry McAllister <jerrymc@msu.edu>
To:        "Don O'Neil" <lists@lizardhill.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: df -k vs. du -s
Message-ID:  <20090813220127.GA37971@gizmo.acns.msu.edu>
In-Reply-To: <4741DB3C2EAB4B86A7ED3AE96E3584DD@mickey>
References:  <4741DB3C2EAB4B86A7ED3AE96E3584DD@mickey>

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On Thu, Aug 13, 2009 at 01:37:00PM -0700, Don O'Neil wrote:

> My /var partition is showing a different value for a df -k on the file
> system vs a du -s on the file system:
> 
> df -k
> Filesystem    1K-blocks      Used     Avail Capacity  Mounted on
> /dev/ad0s1a     2026030    889544    974404    48%    /
> devfs                 1         1         0   100%    /dev
> /dev/ad0s1e     2026030       964   1862984     0%    /tmp
> /dev/ad0s1d     8122126   1997988   5474368    27%    /usr
> /dev/ad0s1f     8122126   5301938   2170418    71%    /var
> 
> du -s /var
> 993261  /var
> 
> Any ideas why I would see this? Where is the other 4+G? Do I have a bunch of
> bad sectors in the file system or is it majorly fragmented? If so, how do I
> find out what the problem is?
> 
> The other partitions match between the df and du... I'm running 6.1 if that
> makes a difference.

Makes no difference.
This has been answered so many times on this list that people may
not respond at all.  It should easily be found by searching the
archive and I think there is a FAQ on the FreeBSD web site about it.

So, have fun searching.

////jerry


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