zpool create fails on gpart device

[Kurt Touet]

On Tue, Dec 8, 2009 at 4:28 AM, Pawel Jakub Dawidek <pjd at freebsd.org> wrote:
> On Mon, Dec 07, 2009 at 11:06:18PM -0600, Kurt Touet wrote:
>> I've updated to r200237 and I am getting the same error.  Is there
>> another way that I can go about troubleshooting this?
>
> I looked at you ktrace closly. Your zpool calls pread(2) four times on
> your partition, where in my ktrace I see only one pread(2). Also two of
> the pread(2) have invalid offset and get EIO.
>
> Could you show the output of:
>
>        # diskinfo -v /dev/da1{,p3}
>
> Try setting vfs.zfs.debug to 2, then retry the creation and watch logs.
>
> --
> Pawel Jakub Dawidek                       http://www.wheel.pl
> pjd at FreeBSD.org                           http://www.FreeBSD.org
> FreeBSD committer                         Am I Evil? Yes, I Am!
>

# diskinfo -v /dev/da1{,p3}
/dev/da1
        512             # sectorsize
        32212254720     # mediasize in bytes (30G)
        62914560        # mediasize in sectors
        3916            # Cylinders according to firmware.
        255             # Heads according to firmware.
        63              # Sectors according to firmware.
                        # Disk ident.

/dev/da1p3
        512             # sectorsize
        29527800320     # mediasize in bytes (27G)
        57671485        # mediasize in sectors
        3589            # Cylinders according to firmware.
        255             # Heads according to firmware.
        63              # Sectors according to firmware.
                        # Disk ident.

# zpool create data /dev/da1p3
cannot create 'data': permission denied

logs:

kernel: vdev_geom_open_by_path:466[1]: Found provider by name /dev/da1p3.
kernel: vdev_geom_attach:112[1]: Attaching to da1p3.
kernel: vdev_geom_attach:133[1]: Created geom and consumer for da1p3.
kernel: vdev_geom_read_guid:301[1]: Reading guid from da1p3...
kernel: vdev_geom_detach:173[1]: Closing access to da1p3.
kernel: vdev_geom_detach:177[1]: Destroyed consumer to da1p3.
kernel: vdev_geom_detach:185[1]: Destroyed geom zfs::vdev.
kernel: vdev_geom_open_by_path:477[1]: guid mismatch for provider
/dev/da1p3: 16452466135488744636 != 0.
kernel: vdev_geom_open_by_guid:435[1]: Searching by guid [16452466135488744636].
kernel: vdev_geom_read_guid:301[1]: Reading guid from acd0t01...
kernel: vdev_geom_read_guid:301[1]: Reading guid from acd0...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da1p3...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da1p2...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da1p1...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0s1f...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0s1e...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0s1d...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0s1b...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0s1a...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0s1...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da1...
kernel: vdev_geom_read_guid:301[1]: Reading guid from da0...
kernel: vdev_geom_read_guid:301[1]: Reading guid from
gptid/78398fed-e369-11de-a6aa-000c298c3c39...
kernel: vdev_geom_read_guid:301[1]: Reading guid from ufsid/4b1c06d3f7579615...
kernel: vdev_geom_read_guid:301[1]: Reading guid from
gptid/663a8d5a-e293-11de-a6aa-000c298c3c39...
kernel: vdev_geom_read_guid:301[1]: Reading guid from
gptid/5ec68721-e293-11de-a6aa-000c298c3c39...
kernel: vdev_geom_read_guid:301[1]: Reading guid from iso9660/FreeBSD_Install...
kernel: vdev_geom_open_by_guid:449[1]: Search by guid
[16452466135488744636] failed.
kernel: vdev_geom_open_by_path:466[1]: Found provider by name /dev/da1p3.
kernel: vdev_geom_attach:112[1]: Attaching to da1p3.
kernel: vdev_geom_open:521[1]: Provider /dev/da1p3 not found.
root: ZFS: vdev failure, zpool=data type=vdev.open_failed