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From: Mike Clarke <jmc-freebsd2@milibyte.co.uk>
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Date: Wed, 30 Jul 2014 14:01:27 +0100
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Subject: Re: huge difference between du and df  - no open file descriptors
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Cc: Nils Effenberger <effenberger@work.de>
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On Wednesday 30 July 2014 14:26:09 Nils Effenberger wrote:

> du and df are showing signifcantly different values on our storage
> system:
> 
> [root@zhoernchen ~]# df -h /
> Filesystem          Size    Used   Avail Capacity Mounted on  
> /dev/mirror/root    4.8G    4.1G   336M  93%    / 
> [root@zhoernchen ~]# du -shx / 
> 2.3G    /

Could it be that you have copies=2 set on any zfs filesystems on that 
partition?

-- 
Mike Clarke