[zfs-discuss] ZFS always busy

Frédéric Dreier frederic.dreier at gmail.com
Tue Jun 26 07:54:33 EDT 2012


btw, the ZFS version that I use is:

ZFS: Loaded module v0.6.0.65-rc9, ZFS pool version 28, ZFS filesystem version 5



2012/6/26 Frédéric Dreier <frederic.dreier at gmail.com>:
> No. I do not run multipathd. Should I do?
>
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> 2012/6/25 Trevor Joynson <trevorjoynson at gmail.com>:
>> Do you run multipathd?
>>
>> On Jun 25, 2012 7:47 AM, "Frederic" <frederic.dreier at gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> I test ZFS on a ubuntu 12.4 64bits system. And I have problems with
>>> snapshot. As soon I access them, they will are blocked and I am unable
>>> to destroy them or to reboot the system.
>>>
>>>
>>> root at myserver:~# zfs list -t snapshot
>>> NAME                 USED  AVAIL  REFER  MOUNTPOINT
>>> tank/somedir at Monday      0      -   119M  -
>>> root at myserver:~# zfs destroy tank/somedir at Monday
>>> root at myserver:~# zfs snapshot tank/somedir at Monday
>>> root at myserver:~# ls -l /tank/somedir/.zfs/snapshot/Monday/xxx/
>>> total 3
>>> drwxr-xr-x 8 oneadmin cloud 8 Jun 22 08:34 xxx
>>> root at myserver:~# zfs destroy tank/
>>> somedir at Monday
>>> cannot destroy 'tank/somedir at Monday': dataset is busy
>>> root at myserver:~# zfs destroy -f tank/somedir at Monday
>>> cannot destroy 'tank/somedir at Monday': dataset is busy
>>> root at myserver:~# zfs destroy -d tank/somedir at Monday
>>> cannot destroy 'tank/somedir at Monday': dataset is busy
>>> root at myserver:~# umount /tank/somedir/
>>> umount: /tank/somedir: device is busy.
>>>        (In some cases useful info about processes that use
>>>         the device is found by lsof(8) or fuser(1))
>>> root at myserver:~# lsof | grep tank
>>> root at myserver:~#
>>>
>>>
>>> Regards,
>>>
>>> Frederic



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