mismatch between zfs and zpool

[Rich]

I'd guess RAID-Z1 + metadata of asize=12 overhead, but I can't
actually swear to it.

- Rich

On Tue, Mar 27, 2012 at 8:09 PM, Daniel Mayfield <dan at 3geeks.org> wrote:
> [dan at rooter ~/Documents/Books]$ zfs list -t all -r
> NAME                           USED  AVAIL  REFER  MOUNTPOINT
> mediavg                       1.86T  3.33T   314K  /media
> mediavg/foo            6.43G  3.33T  6.43G  /media/foo
> mediavg/bar                 18.9G  3.33T  18.9G  /media/bar
> mediavg/baz                 535G  3.33T   535G  /media/baz
> mediavg/qux            16.8G  3.33T  16.8G  /media/qux
> mediavg/quux                 132G  3.33T   132G  /media/quux
> mediavg/corge                 18.0G  3.33T  18.0G  /media/corge
> mediavggrault              33.8G  3.33T  33.8G  /media/grault
> mediavg/garply                   1.12T  3.33T  1.12T  /media/garply
>
> Daniel
>
> On Mar 27, 2012, at 7:02 PM, Rich wrote:
>
>> zfs list -t all -r, perhaps?
>>
>> - Rich
>>
>> On Tue, Mar 27, 2012 at 8:00 PM, Daniel Mayfield <dan at 3geeks.org> wrote:
>>> Any idea why these mismatch?  These are WD20EARS disks in a USB JBOD enclosure.
>>>
>>> [dan at rooter ~] $ zfs list
>>> NAME                           USED  AVAIL  REFER  MOUNTPOINT
>>> mediavg                       1.86T  3.33T   314K  /media
>>> [dan at rooter ~] $ zpool list
>>> NAME            SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
>>> mediavg        7.25T  2.56T  4.69T    35%  1.00x  ONLINE  -
>>> [dan at rooter ~/Documents/Books]$ zdb
>>> mediavg:
>>>    version: 28
>>>    name: 'mediavg'
>>>    state: 0
>>>    txg: 440650
>>>    pool_guid: 11730812331217717046
>>>    hostid: 530641825
>>>    hostname: 'rooter.home.3geeks.org'
>>>    vdev_children: 1
>>>    vdev_tree:
>>>        type: 'root'
>>>        id: 0
>>>        guid: 11730812331217717046
>>>        children[0]:
>>>            type: 'raidz'
>>>            id: 0
>>>            guid: 2141238275387851622
>>>            nparity: 1
>>>            metaslab_array: 30
>>>            metaslab_shift: 36
>>>            ashift: 12
>>>            asize: 7984384049152
>>>            is_log: 0
>>>            create_txg: 4
>>>            children[0]:
>>>                type: 'disk'
>>>                id: 0
>>>                guid: 8222953817252947832
>>>                path: '/dev/da0p3'
>>>                phys_path: '/dev/da0p3'
>>>                whole_disk: 1
>>>                DTL: 123
>>>                create_txg: 4
>>>            children[1]:
>>>                type: 'disk'
>>>                id: 1
>>>                guid: 10598772377339347959
>>>                path: '/dev/da2p3'
>>>                phys_path: '/dev/da2p3'
>>>                whole_disk: 1
>>>                DTL: 122
>>>                create_txg: 4
>>>            children[2]:
>>>                type: 'disk'
>>>                id: 2
>>>                guid: 17878786601530240982
>>>                path: '/dev/da1p3'
>>>                phys_path: '/dev/da1p3'
>>>                whole_disk: 1
>>>                DTL: 121
>>>                create_txg: 4
>>>            children[3]:
>>>                type: 'disk'
>>>                id: 3
>>>                guid: 2602895078436511407
>>>                path: '/dev/da3p3'
>>>                phys_path: '/dev/da3p3'
>>>                whole_disk: 1
>>>                DTL: 120
>>>                create_txg: 4
>>>
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