[Gllug] ext3 filesystem suddenly full

[Daniel P. Berrange]

On Thu, Jun 21, 2007 at 01:05:47PM +0100, Ken Smith wrote:
> On an FC3 box there is 17G ext3 filesystem in a LV mounted as /.
> 
> /home and a couple of other specific things are in other LV's mounted 
> under /. I've unmounted them so that / & /boot is left mounted
> 
> A couple of days ago my regular log file said...(as it has for months)
> 
> /dev/mapper/VolGroup00-LogVol00 17G  4.4G   12G  28% /
> 
> Now it says 
> 
> /dev/mapper/VolGroup00-LogVol00 17G   17G     0 100% /
> 
> Totaling up the contents of the directories in / with 'du' I can 
> account for 5.1G's worth. So where has over 11G's worth of stuff,
>  that I can't find, come from? Especially as the system has not 
> been changing. Well I 

Some process will have opened a file, deleted it and kept hold of the
open file handle. So although you can't see it on the FS, it is still
consuming disk space.

If this is the case, you should be able to run  lsof  as root & grep 
for 'deleted' to find it.

Dan.
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