[CentOS] strange disk space calculation ext4 df and du

Tue Nov 4 09:40:00 UTC 2014
Götz Reinicke - IT Koordinator <goetz.reinicke at filmakademie.de>

Am 04.11.14 um 09:43 schrieb Peter Kjellström:
> On Mon, 03 Nov 2014 16:53:05 +0100
> Götz Reinicke - IT Koordinator <goetz.reinicke at filmakademie.de> wrote:
> 
> ...
>> df shows 9.4 GB free, 198GB used.
>>
>> If I do "du -sch * | sort -h -r" on /, I just have close to 3.5GB
>> used ....
> 
> Next thing to check is stuff hiding under mount points. That is for
> example the /tmp directory on the root fs containing stuff but another
> fs then mounted on /tmp hiding that.

df -h

Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg_richter2-lv_root
                      219G  198G  9,3G  96% /
tmpfs                  16G     0   16G   0% /dev/shm
/dev/sda1             477M   49M  403M  11% /boot
/dev/sdb              8,2T  1,1T  7,1T  14% /srv/files

so I dont see any hidden fs under / beside /srv/files, which is not
included in my du calculation.

	Thanks and regards for more hints ... /Götz

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Götz Reinicke
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