a monster stole my /

[Colin Yuile]

On Tue, 29 Apr 2008 14:40:09 +1000
Hartleigh Burton <hartleigh.burton at destra.com> wrote:

> Hiya!
> 
> I have a problem with / currently being at 108% capacity. I have found  
> a previous thread in the archives which explains a few questions but I  
> can't find what is taking up all the additional space. At best without  
> destroying what I still do not understand I can manage to get / to  
> about 101% capacity.
> 
> To answer a couple of potential questions straight up, there is  
> nothing in /root and /tmp is on a separate partition.
> 
> intranet# df -h
> Filesystem               Size    Used   Avail Capacity  Mounted on
> /dev/da0s1a              989M    986M    -76M   108%    /
> devfs                    1.0K    1.0K      0B   100%    /dev
> /dev/da0s1e              989M    216K    910M     0%    /tmp
> /dev/da0s1f               58G    4.8G     48G     9%    /usr
> /dev/da0s1d              4.8G    2.2G    2.3G    49%    /var
> /dev/da1p1               3.3T    682G    2.4T    22%    /db
> devfs                    1.0K    1.0K      0B   100%    /var/named/dev
> 
> intranet# du -h -d1
> 2.0K	./.snap
> 1.5K	./dev
> 218K	./tmp
> 4.8G	./usr
> 2.2G	./var
> 1.7M	./etc
> 2.0K	./cdrom
> 2.0K	./dist
> 1.1M	./bin
>   71M	./boot
> 4.4M	./lib
> 360K	./libexec
> 2.0K	./media
> 512B	./net
> 2.0K	./proc
> 3.8M	./rescue
>   26K	./root
> 4.1M	./sbin
> 512B	./host
> 682G	./db
> 689G	.
> 
> 
> 
> If I move the old kernel/GENERIC files from /boot I can manage to get  
> back to 101%, I really have no idea where the rest of the space has  
> gone though. Is there any way to locate large files on a specific  
> partition?
> 
> I did have a problem not too long ago where my /db array did not mount  
> and MySQL managed to recreate the default/sample database on /db/ 
> mysql, could this default database be somewhere else on / while the / 
> db array problem was fixed?
> 
> *scratches head*
> 


It is possible that you have mounted a filesystem onto a non empty directory.
The stuff in the dir used as a mount point will be hidden by the mount.

Colin