zfs drive keeps failing between export and import

David Ehrmann ehrmann at gmail.com
Thu Jan 15 21:48:17 PST 2009


Wes Morgan wrote:
> What does "zdb /dev/ad10.eli" show?
First, a quick update: removing the drive without ANY unmounts (I 
accidentally pulled it from the backplane) didn't cause any problems.  I 
plugged it back in, reset the atachannel (there's a bug somewhere 
related to that, but I can live with  "atacontroll detach/attach"), 
reattached with geli, ran the above command (it was identical the same 
as before), and within a minute, it showed up in zpool status as ONLINE 
(it was offline and in a degraded state, earlier).

Anyway, the dump:

--------------------------------------------
LABEL 0
--------------------------------------------
    version=6
    name='tank'
    state=0
    txg=289956
    pool_guid=6825823102095709452
    hostid=2180312168
    hostname='share2.lan'
    top_guid=5286005479160756084
    guid=2749356003825630058
    vdev_tree
        type='mirror'
        id=0
        guid=5286005479160756084
        metaslab_array=14
        metaslab_shift=30
        ashift=9
        asize=1000199946240
        children[0]
                type='disk'
                id=0
                guid=1472646983867204022
                path='/dev/ad8.eli'
                devid='ad:WD-WCASJ2219110'
                whole_disk=0
                DTL=626
        children[1]
                type='disk'
                id=1
                guid=2749356003825630058
                path='/dev/ad10.eli'
                devid='ad:WD-WCAU44729718'
                whole_disk=0
                DTL=625
--------------------------------------------
LABEL 1
--------------------------------------------
    version=6
    name='tank'
    state=0
    txg=289956
    pool_guid=6825823102095709452
    hostid=2180312168
    hostname='share2.lan'
    top_guid=5286005479160756084
    guid=2749356003825630058
    vdev_tree
        type='mirror'
        id=0
        guid=5286005479160756084
        metaslab_array=14
        metaslab_shift=30
        ashift=9
        asize=1000199946240
        children[0]
                type='disk'
                id=0
                guid=1472646983867204022
                path='/dev/ad8.eli'
                devid='ad:WD-WCASJ2219110'
                whole_disk=0
                DTL=626
        children[1]
                type='disk'
                id=1
                guid=2749356003825630058
                path='/dev/ad10.eli'
                devid='ad:WD-WCAU44729718'
                whole_disk=0
                DTL=625
--------------------------------------------
LABEL 2
--------------------------------------------
    version=6
    name='tank'
    state=0
    txg=289956
    pool_guid=6825823102095709452
    hostid=2180312168
    hostname='share2.lan'
    top_guid=5286005479160756084
    guid=2749356003825630058
    vdev_tree
        type='mirror'
        id=0
        guid=5286005479160756084
        metaslab_array=14
        metaslab_shift=30
        ashift=9
        asize=1000199946240
        children[0]
                type='disk'
                id=0
                guid=1472646983867204022
                path='/dev/ad8.eli'
                devid='ad:WD-WCASJ2219110'
                whole_disk=0
                DTL=626
        children[1]
                type='disk'
                id=1
                guid=2749356003825630058
                path='/dev/ad10.eli'
                devid='ad:WD-WCAU44729718'
                whole_disk=0
                DTL=625
--------------------------------------------
LABEL 3
--------------------------------------------
    version=6
    name='tank'
    state=0
    txg=289956
    pool_guid=6825823102095709452
    hostid=2180312168
    hostname='share2.lan'
    top_guid=5286005479160756084
    guid=2749356003825630058
    vdev_tree
        type='mirror'
        id=0
        guid=5286005479160756084
        metaslab_array=14
        metaslab_shift=30
        ashift=9
        asize=1000199946240
        children[0]
                type='disk'
                id=0
                guid=1472646983867204022
                path='/dev/ad8.eli'
                devid='ad:WD-WCASJ2219110'
                whole_disk=0
                DTL=626
        children[1]
                type='disk'
                id=1
                guid=2749356003825630058
                path='/dev/ad10.eli'
                devid='ad:WD-WCAU44729718'
                whole_disk=0
                DTL=625



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