zfs destroy snapshot doesn't free space

[Henri Hennebert]

On 08/13/2010 20:02, Andreas Mayer wrote:
> $ uname -a
> FreeBSD wurd.dev001.net 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Jul 19
> 02:36:49 UTC 2010
> root at mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> 2010/8/13 Malcolm Waltz <mwaltz at pacific.edu>:
>> Have you tried "zfs list -t all" ?
> 
> I have, it produces this output:
> $ zfs list -t all
> NAME                           USED  AVAIL  REFER  MOUNTPOINT
> rpool                          637G  48,4G    18K  none
> rpool/root                     245M  1,76G   209M  legacy
> .. rpool/root backup snapshots ...
> rpool/srv                     5,31G  48,4G  4,94G  /srv
> .. rpool/srv backup snapshots ...
> rpool/tmp                     90,2M  1,91G  90,2M  /tmp
> .. rpool/tmp backup snapshots ...
> rpool/usr                     7,91G  48,4G  6,83G  /usr
> .. rpool/usr backup snapshots ...
> rpool/var                      623G  48,4G   623G  /var
> 
Just to be sure that a process is not still hogging space:

fstat |grep /var

Henri