But even the 'zfs list -o space' is now limited by not displaying snapshots
by default, so the catch all is now
zfs list -o space -t all
shouldn't miss anything then …
;-)
Craig
On 10 Mar 2011, at 03:38, Richard Elling wrote:
>
> On Mar 9, 2011, at 4:05 PM, Tom Fanning wrote:
>
>> On Wed, Mar 9, 2011 at 10:37 PM, Peter Jeremy
>> <peter.jer...@alcatel-lucent.com> wrote:
>>> On 2011-Mar-10 05:50:53 +0800, Tom Fanning <m...@tomfanning.eu> wrote:
>>>> I have a FreeNAS 0.7.2 box, based on FreeBSD 7.3-RELEASE-p1, running
>>>> ZFS with 4x1TB SATA drives in RAIDz1.
>>>>
>>>> I appear to have lost 1TB of usable space after creating and deleting
>>>> a 1TB sparse file. This happened months ago.
>>>
>>> AFAIR, ZFS on FreeBSD 7.x was always described as experimental.
>>>
>>> This is a known problem (OpenSolaris bug id 6792701) that was fixed in
>>> OpenSolaris onnv revision 9950:78fc41aa9bc5 which was committed to
>>> FreeBSD as r208775 in head and r208869 in 8-stable. The fix was never
>>> back-ported to 7.x and I am unable to locate any workaround.
>>>
>>>> - Exported the pool from FreeBSD, imported it on OpenIndiana 148 -
>>>> but not upgraded - same problem, much newer ZFS implementation. Can't
>>>> upgrade the pool to see if the issue goes away since for now I need a
>>>> route back to FreeBSD and I don't have spare storage.
>>>
>>> I thought that just importing a pool on a system with the bugfix would
>>> free the space. If that doesn't work, your only options are to either
>>> upgrade to FreeBSD 8.1-RELEASE or later (preferably 8.2 since there
>>> are a number of other fairly important ZFS fixes since 8.1) and
>>> upgrade your pool to v15 or rebuild your pool (via send/recv or similar).
>>>
>>> --
>>> Peter Jeremy
>>
>> Well I never. Just by chance I did zfs list -t snapshot, and now it
>> shows a 1TB snapshot which it wasn't showing before.
>
> There was a change where snapshots are no longer shown by default.
> This can be configured back to the old behaviour setting the zpool
> "listsnapshots" property to "on"
>
> Otherwise, you need to use the "-t snapshot" list.
>
> But, a much better method of tracking this down is to use:
> zfs list -o space
>
> That will show the accounting for all dataset objects.
> -- richard
>
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
--
Craig Morgan
Cinnabar Solutions Ltd
t: +44 (0)791 338 3190
f: +44 (0)870 705 1726
e: cr...@cinnabar-solutions.com
w: www.cinnabar-solutions.com
_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
