ZFS MFC heads down
Henri Hennebert
hlh at restart.be
Wed May 27 20:17:10 UTC 2009
Henri Hennebert 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 ...
And dangerous:
the second time I try:
[root at morzine ~]# zdb rpool
zdb: can't open rpool: No such file or directory
[root at morzine ~]#
And the real problem: rpool is no more in /boot/zfs/zpool.cache !!!
Next boot will not work smoothly.
Tomorrow, I will use the 3rd bootable disk to rebuild this.
Henri
>
> 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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