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Re: partition reporting full, but not



On Fri, Feb 16, 2024 at 09:52:22PM -0500, Greg Wooledge wrote:
> On Sat, Feb 17, 2024 at 01:38:56PM +1100, Keith Bainbridge wrote:
> >   >> sudo df -h /
> > Filesystem      Size  Used Avail Use% Mounted on
> > /dev/sda3        36G   35G  100M 100% /
> 
> First off: you don't need sudo for this, ever.
> 
> Second: what kind of file system is this?
> 
> > sudo du -hPx --max-depth=1 /
> > 0	/mnt
> > 181M	/boot
> > 15M	/etc
> > 0	/media
> > 236M	/opt
> > 336K	/root
> > 0	/srv
> > 4.0K	/tmp
> > 8.1G	/usr
> > 726M	/var
> > 9.2G	/
> 
> So I guess the question is "Where's the rest of that 35 G used data?"
> 
> Conspicuously missing from this output is /home.  Is that a separate
> file system?  If so, you *could* have data inside the /home directory
> of the root file system, which is hidden by the /home file system that's
> mounted over it.  You'd need to unmount /home to check.  It's not a
> super probable situation, but it's worth checking.

Absolutely. What I miss, too, is lost+found (not every file system has
that,i though).

> The same applies to any other directory that's got a file system mounted
> on it.

Yes, looking "under" the mounts is a very good idea.

> Or... it could be some bizarre btrfs crap.  If this is a btrfs.

We're all curious :-)

Cheers
-- 
t

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