Re: /dev/hda full - cannot find used space

[<nicksub500-deb@yahoo.com>]

Problem solved. Once I mounted hda on /mnt/slash as you suggested, I saw that I
now had a directory /mnt/slash/usbdrive  (!!)

What happened was that a few weeks ago the external usb drive mounted at
/mnt/usbdrive was turned off and unmounted. However, the daily rsync backup
script running as root just kept copying the files to be backed up to the
directory /mnt/usbdrive . But this time it was on /dev/hda1, not the usb drive
at all.

Later when the server was rebooted as part of this investigation, the usbdrive
auto-remounted, hiding the files in the same location on /dev/hda1 . Of course,
I ignored the directory /mnt/usbdrive as being on the external disk when
looking for new files.

This did the trick:

umount /mnt/usbdrive
rm -rf /mnt/usbdrive
mkdir /mnt/usbdrive
mount /mnt/usbdrive

Thanks for the help.

Nick.


--- Rishi <rishi.forums@gmail.com> wrote:

> > When this happens to me it's usually because I've accidentally  
> > copied files to the root partition before mounting another file  
> > system. i.e. There may be files 'under' one of your mount points  
> > that you cannot see because you've mounted the file system on it.
> >
> > You should be able to check by rebooting into single user,  
> > unmounting /home, /usr /tmp and /var, and checking that there are  
> > no files in the mount points themselves.
> 
> Instead of that just re-mount / in another folder ... i.e.
> 
> 
> mkdir /mnt/slash
> mount /dev/hda1 /mnt/slash
> du -chs /mnt/slash/*
> 
> 
> 
> 
> 
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