root partition full

Marius Gedminas marius at pov.lt
Wed Dec 21 12:38:28 UTC 2011


On Wed, Dec 21, 2011 at 04:08:35AM -0600, CJ Tres wrote:
> On 12/20/2011 04:28 PM, Marius Gedminas wrote:
> 
> >
> >Did you run baobab as root (with gksudo)?  Perhaps it skipped some
> >inaccessible directories in, say, /var, and thus couldn't count their
> >sizes properly?
> 
> Missed this earlier.
> Yes I started it with gksudo baobab
> 
> 
> >I'm not a fan of baobab.  I like du:
> >
> >   sudo du -xhs /
> >
> >does this print a number close to those 26G that df claims?
> >
> >If not, most likely there are deleted files kept open that occupy space.
> >Check with
> >
> >   sudo lsof / | grep '(deleted)'
> 
> Just ran this again (as above) and now it's showing a number of
> files in /tmp, /usr/share/applications,/var/tmp, var/lib doodle
> (over 20G!) 

There's your missing space.

lsof also shows you the name and PID of the program holding the file
open (first two output columns).  Kill the program, and the space will
be freed.

> and /usr/lib tracker and each line ends with (deleted) -
> in red.
> So these files are still present on /?

Yes, in the sense that they're occupying space on / (but are not
accessible any more).

> I don't see them either in vim or nautilus (as root).

Because they're deleted.

Marius Gedminas
-- 
Every nonzero finite dimensional inner product space has an orthonormal basis.

It makes sense, when you don't think about it.
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