Re: [HEADSUP] zfs root pool mounting

From: Garrett Cooper <yanegomi_at_gmail.com>
Date: Tue, 11 Dec 2012 13:35:46 -0800
On Mon, Dec 10, 2012 at 1:25 PM, Garrett Cooper <yanegomi_at_gmail.com> wrote:

...

    Going back in time a until the start of November didn't help. This
zpool get version for both of the pools is quite interesting -- in
particular, why is the value unset ("-")? I've provided the zdb -C
info as well (just in case) (interesting why things are ordered the
way they are in the zdb output -- not sure if it matters or not). I
unset cachefile on the zpool (set it to `none` before according to the
documentation's list of accepted values).
    I rebooted the box and still ran into mounting issues... Going to
try to keep on working on this for a couple more iterations before I
give up and move one of the drives to UFS or reformat with ZFS using
gjb's livecd.
Thanks,
-Garrett

# zpool get version root
NAME  PROPERTY  VALUE    SOURCE
root  version   -        default
# zpool get version scratch
NAME     PROPERTY  VALUE    SOURCE
scratch  version   28       local

# zpool upgrade scratch
This system supports ZFS pool feature flags.

Successfully upgraded 'scratch' from version 28 to feature flags.
Enabled the following features on 'scratch':
  async_destroy
  empty_bpobj

# zpool get version scratch
NAME     PROPERTY  VALUE    SOURCE
scratch  version   -        default

# zdb -e -C root

MOS Configuration:
        version: 5000
        name: 'root'
        state: 0
        txg: 100769
        pool_guid: 16626214580045724926
        hostid: 820800805
        hostname: ''
        vdev_children: 1
        vdev_tree:
            type: 'root'
            id: 0
            guid: 16626214580045724926
            children[0]:
                type: 'disk'
                id: 0
                guid: 9546056018082780826
                path: '/dev/da0p3'
                phys_path: '/dev/da0p3'
                whole_disk: 1
                metaslab_array: 31
                metaslab_shift: 30
                ashift: 9
                asize: 172685787136
                is_log: 0
                create_txg: 4
        features_for_read:
# zdb -C scratch

MOS Configuration:
        name: 'scratch'
        state: 0
        txg: 95459
        pool_guid: 4958045391345281734
        hostid: 820800805
        hostname: 'gran-tourismo.west.isilon.com'
        vdev_children: 2
        vdev_tree:
            type: 'root'
            id: 0
            guid: 4958045391345281734
            children[0]:
                type: 'disk'
                id: 0
                guid: 5020728737590777479
                path: '/dev/da1p1'
                phys_path: '/dev/da1p1'
                whole_disk: 1
                metaslab_array: 33
                metaslab_shift: 29
                ashift: 9
                asize: 80021553152
                is_log: 0
                DTL: 70
                create_txg: 4
            children[1]:
                type: 'disk'
                id: 1
                guid: 17800508717108910354
                path: '/dev/da2p1'
                phys_path: '/dev/da2p1'
                whole_disk: 1
                metaslab_array: 30
                metaslab_shift: 29
                ashift: 9
                asize: 80021553152
                is_log: 0
                DTL: 71
                create_txg: 4
        features_for_read:
        version: 5000
Received on Tue Dec 11 2012 - 20:35:49 UTC

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