thr3ads.net - zfs discuss - [zfs-discuss] Crazy Phantom Zpools Again [Sep 2009]

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Dave Abrahams

2009-Sep-18 18:18 UTC

[zfs-discuss] Crazy Phantom Zpools Again

I just did a fresh reinstall of OpenSolaris and I''m again seeing
the phenomenon described in 
http://article.gmane.org/gmane.os.solaris.opensolaris.zfs/26259
which I posted many months ago and got no reply to.

Can someone *please* help me figure out what''s going on here?

Thanks in Advance,
--
Dave Abrahams
BoostPro Computing
http://boostpro.com

Cindy Swearingen

2009-Sep-18 22:13 UTC

head link

[zfs-discuss] Crazy Phantom Zpools Again

Dave,

I''ve searched opensolaris.org and our internal bug database.
I don''t see that anyone else has reported this problem.

I asked someone from the OSOL install team and this behavior
is a mystery.

If you destroyed the phantom pools before you reinstalled,
then they probably returned from the import operations but
I can''t be sure.

If you want to export your tank pool and re-import it, then
maybe you should just use zpool import tank until the root
cause of the phantom pools are determined.

Not much help, but some ideas:

1. What does the zpool history -l output say for the phantom pools?
Were they created at the same time as the root pool or the same time
as tank?

2. The phantom pools contain the c8t1* and c9t1* fdisk partitions (p0s) 
that are in your tank pool as whole disks. A strange coincidence.

Does zdb output or fmdump output identify the relationship, if
any, between the c8 and c9 devices in the phantom pools and tank?

3. I can file a bug for you. Please provide the system information,
such as hardware, disks, OS release.

Cindy

On 09/18/09 12:18, Dave Abrahams wrote:> I just did a fresh reinstall of OpenSolaris and I''m again seeing
> the phenomenon described in 
> http://article.gmane.org/gmane.os.solaris.opensolaris.zfs/26259
> which I posted many months ago and got no reply to.
> 
> Can someone *please* help me figure out what''s going on here?
> 
> Thanks in Advance,
> --
> Dave Abrahams
> BoostPro Computing
> http://boostpro.com
> 
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss at opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Victor Latushkin

2009-Sep-19 08:47 UTC

head link

[zfs-discuss] Crazy Phantom Zpools Again

On 18.09.09 22:18, Dave Abrahams wrote:> I just did a fresh reinstall of OpenSolaris and I''m again seeing
> the phenomenon described in 
> http://article.gmane.org/gmane.os.solaris.opensolaris.zfs/26259
> which I posted many months ago and got no reply to.
> 
> Can someone *please* help me figure out what''s going on here?
Can you provide output of

zdb -l /dev/rdsk/c8t1d0p0
zdb -l /dev/rdsk/c8t1d0s0

zdb -l /dev/rdsk/c9t0d0p0
zdb -l /dev/rdsk/c9t0d0s0

zdb -l /dev/rdsk/c9t1d0p0
zdb -l /dev/rdsk/c9t1d0s0

as a starter?

I suspect there''s some stale labels accessible through ...p0 devices
(may be
back labels only that unfortunately allow to open some pools that existed
before.

So let''s start finding this out.

victor

David Abrahams

2009-Sep-19 11:26 UTC

head link

[zfs-discuss] Crazy Phantom Zpools Again

Hey, thanks for following up.

on Sat Sep 19 2009, Victor Latushkin <Victor.Latushkin-AT-Sun.COM> wrote:
> Can you provide output of
>
> zdb -l /dev/rdsk/c8t1d0p0
> zdb -l /dev/rdsk/c8t1d0s0
>
> zdb -l /dev/rdsk/c9t0d0p0
> zdb -l /dev/rdsk/c9t0d0s0
>
> zdb -l /dev/rdsk/c9t1d0p0
> zdb -l /dev/rdsk/c9t1d0s0
>
> as a starter?
>
> I suspect there''s some stale labels accessible through ...p0
devices (may be back
> labels only that unfortunately allow to open some pools that existed
before.
>
> So let''s start finding this out.
dave at hoss:~# zdb -l /dev/rdsk/c8t1d0p0
--------------------------------------------
LABEL 0
--------------------------------------------
    version=14
    name=''Xc8t1d0p0''
    state=0
    txg=67
    pool_guid=799109629249470450
    hostid=674932
    hostname=''hoss''
    top_guid=14688829453117747875
    guid=14688829453117747875
    vdev_tree
        type=''disk''
        id=0
        guid=14688829453117747875
        path=''/dev/dsk/c8t1d0p0''
        devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
    version=14
    name=''Xc8t1d0p0''
    state=0
    txg=67
    pool_guid=799109629249470450
    hostid=674932
    hostname=''hoss''
    top_guid=14688829453117747875
    guid=14688829453117747875
    vdev_tree
        type=''disk''
        id=0
        guid=14688829453117747875
        path=''/dev/dsk/c8t1d0p0''
        devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
    version=14
    name=''Xc8t1d0p0''
    state=0
    txg=67
    pool_guid=799109629249470450
    hostid=674932
    hostname=''hoss''
    top_guid=14688829453117747875
    guid=14688829453117747875
    vdev_tree
        type=''disk''
        id=0
        guid=14688829453117747875
        path=''/dev/dsk/c8t1d0p0''
        devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 3
--------------------------------------------
    version=14
    name=''Xc8t1d0p0''
    state=0
    txg=67
    pool_guid=799109629249470450
    hostid=674932
    hostname=''hoss''
    top_guid=14688829453117747875
    guid=14688829453117747875
    vdev_tree
        type=''disk''
        id=0
        guid=14688829453117747875
        path=''/dev/dsk/c8t1d0p0''
        devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
dave at hoss:~# zdb -l /dev/rdsk/c8t1d0s0

--------------------------------------------
LABEL 0
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=5539950970989281033
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 1
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=5539950970989281033
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 2
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=5539950970989281033
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 3
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=5539950970989281033
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
dave at hoss:~# dave at hoss:~# zdb -l /dev/rdsk/c9t0d0p0
--------------------------------------------
LABEL 0
--------------------------------------------
    version=14
    name=''Xc9t0d0p0''
    state=0
    txg=66
    pool_guid=12655905567020654415
    hostid=674932
    hostname=''hoss''
    top_guid=611575587582790566
    guid=611575587582790566
    vdev_tree
        type=''disk''
        id=0
        guid=611575587582790566
        path=''/dev/dsk/c9t0d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
    version=14
    name=''Xc9t0d0p0''
    state=0
    txg=66
    pool_guid=12655905567020654415
    hostid=674932
    hostname=''hoss''
    top_guid=611575587582790566
    guid=611575587582790566
    vdev_tree
        type=''disk''
        id=0
        guid=611575587582790566
        path=''/dev/dsk/c9t0d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
    version=14
    name=''Xc9t0d0p0''
    state=0
    txg=66
    pool_guid=12655905567020654415
    hostid=674932
    hostname=''hoss''
    top_guid=611575587582790566
    guid=611575587582790566
    vdev_tree
        type=''disk''
        id=0
        guid=611575587582790566
        path=''/dev/dsk/c9t0d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 3
--------------------------------------------
    version=14
    name=''Xc9t0d0p0''
    state=0
    txg=66
    pool_guid=12655905567020654415
    hostid=674932
    hostname=''hoss''
    top_guid=611575587582790566
    guid=611575587582790566
    vdev_tree
        type=''disk''
        id=0
        guid=611575587582790566
        path=''/dev/dsk/c9t0d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
dave at hoss:~# zdb -l /dev/rdsk/c9t0d0s0

--------------------------------------------
LABEL 0
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=11100368085398512076
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 1
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=11100368085398512076
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 2
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=11100368085398512076
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 3
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=11100368085398512076
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
dave at hoss:~# dave at hoss:~# zdb -l /dev/rdsk/c9t1d0p0
--------------------------------------------
LABEL 0
--------------------------------------------
    version=14
    name=''Xc9t1d0p0''
    state=0
    txg=67
    pool_guid=13088732420232844728
    hostid=674932
    hostname=''hoss''
    top_guid=5881429924050167143
    guid=5881429924050167143
    vdev_tree
        type=''disk''
        id=0
        guid=5881429924050167143
        path=''/dev/dsk/c9t1d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
    version=14
    name=''Xc9t1d0p0''
    state=0
    txg=67
    pool_guid=13088732420232844728
    hostid=674932
    hostname=''hoss''
    top_guid=5881429924050167143
    guid=5881429924050167143
    vdev_tree
        type=''disk''
        id=0
        guid=5881429924050167143
        path=''/dev/dsk/c9t1d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
    version=14
    name=''Xc9t1d0p0''
    state=0
    txg=67
    pool_guid=13088732420232844728
    hostid=674932
    hostname=''hoss''
    top_guid=5881429924050167143
    guid=5881429924050167143
    vdev_tree
        type=''disk''
        id=0
        guid=5881429924050167143
        path=''/dev/dsk/c9t1d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
--------------------------------------------
LABEL 3
--------------------------------------------
    version=14
    name=''Xc9t1d0p0''
    state=0
    txg=67
    pool_guid=13088732420232844728
    hostid=674932
    hostname=''hoss''
    top_guid=5881429924050167143
    guid=5881429924050167143
    vdev_tree
        type=''disk''
        id=0
        guid=5881429924050167143
        path=''/dev/dsk/c9t1d0p0''
        devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/q''
        phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:q''
        whole_disk=0
        metaslab_array=23
        metaslab_shift=32
        ashift=9
        asize=500103118848
        is_log=0
dave at hoss:~# zdb -l /dev/rdsk/c9t1d0s0
--------------------------------------------
LABEL 0
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=6967063319981472993
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 1
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=6967063319981472993
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 2
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=6967063319981472993
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
--------------------------------------------
LABEL 3
--------------------------------------------
    version=14
    name=''tank''
    state=0
    txg=321059
    pool_guid=18040158237637153559
    hostid=674932
    hostname=''hoss''
    top_guid=17370712873548817583
    guid=6967063319981472993
    vdev_tree
        type=''raidz''
        id=0
        guid=17370712873548817583
        nparity=2
        metaslab_array=23
        metaslab_shift=35
        ashift=9
        asize=4000755744768
        is_log=0
        children[0]
                type=''disk''
                id=0
                guid=17720655760296015906
                path=''/dev/dsk/c8t0d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0J4RW/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
0,0:a''
                whole_disk=1
                DTL=35
        children[1]
                type=''disk''
                id=1
                guid=5539950970989281033
                path=''/dev/dsk/c8t1d0s0''
                devid=''id1,sd at
SATA_____ST3500641AS_________________3PM0BXS4/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 7/disk at
1,0:a''
                whole_disk=1
                DTL=34
        children[2]
                type=''disk''
                id=2
                guid=11100368085398512076
                path=''/dev/dsk/c9t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU4279114/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
0,0:a''
                whole_disk=1
                DTL=33
        children[3]
                type=''disk''
                id=3
                guid=6967063319981472993
                path=''/dev/dsk/c9t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010505/a''
                phys_path=''/pci at 0,0/pci10f1,2895 at 8/disk at
1,0:a''
                whole_disk=1
                DTL=32
        children[4]
                type=''disk''
                id=4
                guid=11660743265023106199
                path=''/dev/dsk/c10t0d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU3010286/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 0,0:a''
                whole_disk=1
                DTL=31
        children[5]
                type=''disk''
                id=5
                guid=5051776249558486771
                path=''/dev/dsk/c10t1d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000KS-00M_____WD-WMANU1372026/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 1,0:a''
                whole_disk=1
                DTL=30
        children[6]
                type=''disk''
                id=6
                guid=8790216902488455015
                path=''/dev/dsk/c10t2d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AAKS-0_____WD-WCAS85597333/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 2,0:a''
                whole_disk=1
                DTL=29
        children[7]
                type=''disk''
                id=7
                guid=4690656215502496906
                path=''/dev/dsk/c10t3d0s0''
                devid=''id1,sd at
SATA_____WDC_WD5000AACS-0_____WD-WCASU6469653/a''
                phys_path=''/pci at e,0/pci1022,7450 at a/pci1095,3124
at 4/disk at 3,0:a''
                whole_disk=1
                DTL=28
dave at hoss:~# 

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com

David Abrahams

2009-Sep-19 11:35 UTC

head link

[zfs-discuss] Crazy Phantom Zpools Again

on Fri Sep 18 2009, Cindy Swearingen <Cindy.Swearingen-AT-Sun.COM> wrote:
>
> Not much help, but some ideas:
>
> 1. What does the zpool history -l output say for the phantom pools?
dave at hoss:~#  zpool history -l Xc8t1d0p0
History for ''Xc8t1d0p0'':
2009-05-14.06:00:20 zpool create Xc8t1d0p0 c8t1d0p0 [user root on
hydrasol:global]
2009-06-07.21:42:44 zpool export Xc8t1d0p0 Xc9t0d0p0 [user root on hoss:global]

dave at hoss:~# zpool history -l Xc9t0d0p0
History for ''Xc9t0d0p0'':
2009-05-14.06:00:24 zpool create Xc9t0d0p0 c9t0d0p0 [user root on
hydrasol:global]

dave at hoss:~# zpool history -l Xc9t1d0p0
History for ''Xc9t1d0p0'':
2009-05-14.06:00:26 zpool create Xc9t1d0p0 c9t1d0p0 [user root on
hydrasol:global]
2009-06-07.21:30:42 zpool import -a -f [user root on hoss:global]
2009-06-07.21:42:51 zpool export Xc8t1d0p0 Xc9t1d0p0 [user root on hoss:global]
2009-09-17.15:04:23 zpool import -a [user root on hoss:global]

dave at hoss:~# 
> Were they created at the same time as the root pool or the same time
> as tank?
No, earlier apparently, and they''ve been through a few OS reinstalls
> 2. The phantom pools contain the c8t1* and c9t1* fdisk partitions (p0s)
that are in
> your tank pool as whole disks. A strange coincidence.
>
> Does zdb output or fmdump output identify the relationship, if
> any, between the c8 and c9 devices in the phantom pools and tank?
I don''t know how to read that stuff, but I''ve attached my zdb
output.
fmdump is essentially empty.
> 3. I can file a bug for you. Please provide the system information,
> such as hardware, disks, OS release.
Thanks.  The hardware is all described at
http://techarcana.net/hydra/hardware/.  The OS release is OpenSolaris
0906 with latest updates.

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-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com

zfs discuss - Sep 2009 - Crazy Phantom Zpools Again

[zfs-discuss] Crazy Phantom Zpools Again

[zfs-discuss] Crazy Phantom Zpools Again

[zfs-discuss] Crazy Phantom Zpools Again

[zfs-discuss] Crazy Phantom Zpools Again

[zfs-discuss] Crazy Phantom Zpools Again