ZFS MFC heads down

Artem Belevich fbsdlist at src.cx
Wed May 27 20:19:07 UTC 2009


Did you by any chance do that from single-user mode? ZFS seems to rely
on hostid being set.
Try running "/etc/rc.d/hostid start" and then re-try your zfs commands.

--Artem



On Wed, May 27, 2009 at 1:06 PM, Henri Hennebert <hlh at restart.be> wrote:
> Artem Belevich wrote:
>>
>> I had the same problem on -current. Try attached patch. It may not
>> apply cleanly on -stable, but should be easy enough to make equivalent
>> changes on -stable.
>
> The patch is ok for stable.
>
> now I get for the pool with my root:
>
> [root at morzine libzpool]# zdb rpool
>    version=13
>    name='rpool'
>    state=0
>    txg=959
>    pool_guid=17669857244588609348
>    hostid=2315842372
>    hostname='unset'
>    vdev_tree
>        type='root'
>        id=0
>        guid=17669857244588609348
>        children[0]
>                type='mirror'
>                id=0
>                guid=3225603179255348056
>                metaslab_array=23
>                metaslab_shift=28
>                ashift=9
>                asize=51534888960
>                is_log=0
>                children[0]
>                        type='disk'
>                        id=0
>                        guid=17573085726489368265
>                        path='/dev/da0p2'
>                        whole_disk=0
>                children[1]
>                        type='disk'
>                        id=1
>                        guid=2736169600077218893
>                        path='/dev/da1p2'
>                        whole_disk=0
> WARNING: pool 'rpool' could not be loaded as it was last accessed by another
> system (host: unset hostid: 0x8a08f344). See:
> http://www.sun.com/msg/ZFS-8000-EY
> zdb: can't open rpool: No such file or directory
>
> But rpool have been used for many boot now - strange ...
>
> Thanks for your patch and time
>
> Henri
>
>
>>
>> --Artem
>>
>>
>>
>> On Wed, May 27, 2009 at 3:00 AM, Henri Hennebert <hlh at restart.be> wrote:
>>>
>>> Kip Macy wrote:
>>>>
>>>> On Wed, May 20, 2009 at 2:59 PM, Kip Macy <kmacy at freebsd.org> wrote:
>>>>>
>>>>> I will be MFC'ing the newer ZFS support some time this afternoon. Both
>>>>> world and kernel will need to be re-built. Existing pools will
>>>>> continue to work without upgrade.
>>>>>
>>>>>
>>>>> If you choose to upgrade a pool to take advantage of new features you
>>>>> will no longer be able to use it with sources prior to today. 'zfs
>>>>> send/recv' is not expected to inter-operate between different pool
>>>>> versions.
>>>>
>>>> The MFC went in r192498. Please let me know if you have any problems.
>>>
>>> No a real problem but maybe worth mentioning:
>>>
>>> on FreeBSD morzine.restart.bel 7.2-STABLE FreeBSD 7.2-STABLE #0: Tue May
>>> 26
>>> 15:37:48 CEST 2009 root at morzine.restart.bel:/usr/obj/usr/src/sys/MORZINE
>>>  i386
>>>
>>> [root at morzine ~]# zdb rpool
>>>   version=13
>>>   name='rpool'
>>>   state=0
>>>   txg=959
>>>   pool_guid=17669857244588609348
>>>   hostid=2315842372
>>>   hostname='unset'
>>>   vdev_tree
>>>       type='root'
>>>       id=0
>>>       guid=17669857244588609348
>>>       children[0]
>>>               type='mirror'
>>>               id=0
>>>               guid=3225603179255348056
>>>               metaslab_array=23
>>>               metaslab_shift=28
>>>               ashift=9
>>>               asize=51534888960
>>>               is_log=0
>>>               children[0]
>>>                       type='disk'
>>>                       id=0
>>>                       guid=17573085726489368265
>>>                       path='/dev/da0p2'
>>>                       whole_disk=0
>>>               children[1]
>>>                       type='disk'
>>>                       id=1
>>>                       guid=2736169600077218893
>>>                       path='/dev/da1p2'
>>>                       whole_disk=0
>>> Assertion failed: (?Ąuč? ėŪ¨´&), function mp->m_owner == NULL, file
>>>
>>> /usr/src/cddl/lib/libzpool/../../../cddl/contrib/opensolaris/lib/libzpool/common/kernel.c,
>>> line 112.
>>> Abort trap: 6
>>>
>>>
>>> and on FreeBSD avoriaz.restart.bel 7.2-STABLE FreeBSD 7.2-STABLE #0: Mon
>>> May
>>> 25 12:06:07 CEST 2009
>>> root at avoriaz.restart.bel:/usr/obj/usr/src/sys/AVORIAZ
>>>  amd64
>>>
>>> [root at avoriaz ~]# zdb rpool
>>>   version=13
>>>   name='rpool'
>>>   state=0
>>>   txg=3467
>>>   pool_guid=536117255064806899
>>>   hostid=1133576597
>>>   hostname='unset'
>>>   vdev_tree
>>>       type='root'
>>>       id=0
>>>       guid=536117255064806899
>>>       children[0]
>>>               type='mirror'
>>>               id=0
>>>               guid=3124217685892976292
>>>               metaslab_array=23
>>>               metaslab_shift=30
>>>               ashift=9
>>>               asize=155741847552
>>>               is_log=0
>>>               children[0]
>>>                       type='disk'
>>>                       id=0
>>>                       guid=11099413743436480159
>>>                       path='/dev/ad4p2'
>>>                       whole_disk=0
>>>               children[1]
>>>                       type='disk'
>>>                       id=1
>>>                       guid=12724983687805955432
>>>                       path='/dev/ad6p2'
>>>                       whole_disk=0
>>> Segmentation fault: 11
>>>
>>> By the way, to help prepare a boot/root pool does a utility to display
>>> the
>>> content of zpool.cache exist ?
>>>
>>>
>>> Henri
>>>>
>>>> Thanks,
>>>> Kip
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>


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