Re: Disk usage error

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On Wed, 2010-01-20 at 07:49 +0100, William John Murray wrote:
> Hello all,
>          Can anyone help me with a disk usage problem? I have a disk
> partition of 65GB in LVM; df says:
> 
> /dev/dm-0             65570580  60494828   1744888  98% /
> 
> However, if I use either du or Baobab they reckon the directories in it
> add up to 30Gb or so. As it is my root directory, and there are various
> others it is a little difficult to get the total, so I booted under
> liveUSB and saw exactly the same - 30Gb used, but 98% full.
>    So something is stealing half my disk. If I try to write more it is
> out of space.
>    Any ideas how I get my space back? fsck reports the disk is clean.
>    Thanks,
>          Bill
>   
Thanks for all the suggestions. The dead links (lsof | grep deleted) is
very interesting - I have 49 of them, which seems bad, mostly /tmp files
from a
 "gnome-terminal -ssh XXX.YYY"
which are all 3Mb. However, this is only 150MB, I am hunting for 30GB.
Rebooting should remove all such, and makes no difference.

Chris Smart asked what 'du' I had tried. 'It was 'du -sh'. Note that it
agreed well with baobob so I thought that made it trustworthy.

   Any more ideas? I guess I could copy the filesystem contents to
another disk and back, I have the space for that, but it seems a little
over-the-top. And it may well come back...
    Bill
 




-- 
Bill Murray                     ----                       ATLAS
STFC RAL at: Bat 161 1-14, CERN, 1211 Meyrin, Geneve 23, Switzerland  
     Tel:- CERN +41 22 7673028    or  RAL +44 (0)1235 446256
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