[OmniOS-discuss] "df" reports wrong value

[Eric Sproul]

On Tue, Feb 26, 2013 at 8:37 AM, Ram Chander <ramquick at gmail.com> wrote:
> There are no nestes zfs sub volumes. Below are the snapshots used.  Should i
> try deleting snaps ?
>
> -bash-4.2#  zfs list  -o
> name,used,usedbychildren,usedbysnapshots,available,compressratio,mountpoint
> rpool
>
> NAME    USED  USEDCHILD  USEDSNAP  AVAIL  RATIO  MOUNTPOINT
> rpool   505G       505G         0  42.5G  1.00x  /rpool
>
> -bash-4.2#  zfs list -r -t snapshot
> NAME                                    USED  AVAIL  REFER  MOUNTPOINT
> rpool/ROOT/omnios at install               277M      -  1.52G  -
> rpool/ROOT/omnios at 2012-11-22-02:03:18   274K      -  35.6G  -
> rpool/ROOT/omnios at 2012-11-22-02:04:02   406K      -  35.6G  -
> rpool/ROOT/omnios at 2012-12-19-04:54:57   317G      -   318G  -

The @2012-12-19-04:54:57 is holding over 300G of space (the USED
value).  The "used" value represents the data exclusive to that
snapshot.  That's where your space went.

Eric