10.0-BETA4 (upgraded from 9.2-RELEASE) zpool upgrade -> boot failure

[Florent Peterschmitt]

Le 12/12/2013 22:04, Artem Belevich a écrit :
> On Thu, Dec 12, 2013 at 1:12 PM, Florent Peterschmitt
> <florent at peterschmitt.fr> wrote:
>>> do  "zdb -l /dev/ada0" (and all other slices on ada0) and check
>>> whether it reports anything unexpected.
>>>
>>> --Artem
>>
>> rescue-bsd# zdb -l /dev/ada0
>> --------------------------------------------
>> LABEL 0
>> --------------------------------------------
>> failed to unpack label 0
>> --------------------------------------------
>> LABEL 1
>> --------------------------------------------
>> failed to unpack label 1
>> --------------------------------------------
>> LABEL 2
>> --------------------------------------------
>> failed to unpack label 2
>> --------------------------------------------
>> LABEL 3
>> --------------------------------------------
>> failed to unpack label 3
>>
>>
>> Well… this sounds bad, right?
> 
> This looks the way it's supposed to -- no unwanted ZFS pool info is found.
> 
> Now repeat that for all ada0p? and make sure only the slice that's
> part of your pool shows ZFS labels and only for one pool.
> 
> Think a bit about how bootloader figures out how your pool is built.
> All it has access to is a raw disk and partition table. So in order to
> find the pool it probes raw disk and all partitions trying to find ZFS
> labels and then uses info in those labels to figure out pool
> configuration. If bootloader finds stale ZFS labels left from a
> previous use of the disk in some other pool, it would potentially mess
> up detection of your real boot pool.
> 
> --Artem
> 

rescue-bsd# zdb -l /dev/ada0p1
--------------------------------------------
LABEL 0
--------------------------------------------
failed to read label 0
--------------------------------------------
LABEL 1
--------------------------------------------
failed to read label 1
--------------------------------------------
LABEL 2
--------------------------------------------
failed to read label 2
--------------------------------------------
LABEL 3
--------------------------------------------
failed to read label 3
rescue-bsd# zdb -l /dev/ada0p2
--------------------------------------------
LABEL 0
--------------------------------------------
failed to unpack label 0
--------------------------------------------
LABEL 1
--------------------------------------------
failed to unpack label 1
--------------------------------------------
LABEL 2
--------------------------------------------
failed to unpack label 2
--------------------------------------------
LABEL 3
--------------------------------------------
failed to unpack label 3
rescue-bsd# zdb -l /dev/ada0p3
--------------------------------------------
LABEL 0
--------------------------------------------
    version: 5000
    name: 'tank'
    state: 0
    txg: 1248416
    pool_guid: 14109252772653171024
    hostid: 1349238423
    hostname: 'rescue-bsd.ovh.net'
    top_guid: 8826573031965252809
    guid: 8826573031965252809
    vdev_children: 1
    vdev_tree:
        type: 'disk'
        id: 0
        guid: 8826573031965252809
        path: '/dev/gpt/zfs-root'
        phys_path: '/dev/gpt/zfs-root'
        whole_disk: 1
        metaslab_array: 30
        metaslab_shift: 32
        ashift: 9
        asize: 493660405760
        is_log: 0
        create_txg: 4
    features_for_read:
--------------------------------------------
LABEL 1
--------------------------------------------
    version: 5000
    name: 'tank'
    state: 0
    txg: 1248416
    pool_guid: 14109252772653171024
    hostid: 1349238423
    hostname: 'rescue-bsd.ovh.net'
    top_guid: 8826573031965252809
    guid: 8826573031965252809
    vdev_children: 1
    vdev_tree:
        type: 'disk'
        id: 0
        guid: 8826573031965252809
        path: '/dev/gpt/zfs-root'
        phys_path: '/dev/gpt/zfs-root'
        whole_disk: 1
        metaslab_array: 30
        metaslab_shift: 32
        ashift: 9
        asize: 493660405760
        is_log: 0
        create_txg: 4
    features_for_read:
--------------------------------------------
LABEL 2
--------------------------------------------
    version: 5000
    name: 'tank'
    state: 0
    txg: 1248416
    pool_guid: 14109252772653171024
    hostid: 1349238423
    hostname: 'rescue-bsd.ovh.net'
    top_guid: 8826573031965252809
    guid: 8826573031965252809
    vdev_children: 1
    vdev_tree:
        type: 'disk'
        id: 0
        guid: 8826573031965252809
        path: '/dev/gpt/zfs-root'
        phys_path: '/dev/gpt/zfs-root'
        whole_disk: 1
        metaslab_array: 30
        metaslab_shift: 32
        ashift: 9
        asize: 493660405760
        is_log: 0
        create_txg: 4
    features_for_read:
--------------------------------------------
LABEL 3
--------------------------------------------
    version: 5000
    name: 'tank'
    state: 0
    txg: 1248416
    pool_guid: 14109252772653171024
    hostid: 1349238423
    hostname: 'rescue-bsd.ovh.net'
    top_guid: 8826573031965252809
    guid: 8826573031965252809
    vdev_children: 1
    vdev_tree:
        type: 'disk'
        id: 0
        guid: 8826573031965252809
        path: '/dev/gpt/zfs-root'
        phys_path: '/dev/gpt/zfs-root'
        whole_disk: 1
        metaslab_array: 30
        metaslab_shift: 32
        ashift: 9
        asize: 493660405760
        is_log: 0
        create_txg: 4
    features_for_read:


Since freebsd-zfs is installed on ada0p3, it's normal to get that. Then,
what can you say about that?
-- 
Florent Peterschmitt           | Please:
florent at peterschmitt.fr        |  * Avoid HTML/RTF in E-mail.
+33 (0)6 64 33 97 92           |  * Send PDF for documents.
http://florent.peterschmitt.fr |  * Trim your quotations. Really.
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