[ZFSv28] Loader hangs, import failes, zfs filesystem unavailable.

Pawel Jakub Dawidek pjd at FreeBSD.org
Fri Jun 3 12:17:04 UTC 2011

On Thu, Jun 02, 2011 at 06:58:10PM +0200, Bartosz Stec wrote:
> Hi list,
> Today I needed to shut down my home server (FreeSBD9-CURRENT, 3 x
> 40GB ATA HDD in RADZ1, ZFS only, GPT, i386) for a moment. After
> power up, loader started to spin cursor indifinitely, and didn't
> load the kernel. No error messages, no hints, just spinning cursor.
> I tried booting from other HDDs in case that bootstrap area errors
> on single hdd but no luck.
> I wanted to play with latest current LiveFS snapshot (with ZFSv28
> support), but apparently latest one is from february??
> Finally I ended with mfsBSD from http://mfsbsd.vx.sk/
> I've downloaded "8.2-RELEASE-i386 with ZFSv28 special edition
> <http://mfsbsd.vx.sk/iso/mfsbsd-se-8.2-zfsv28-i386.iso>" iso, burned
> it and booted machine. Here's what happened when i was trying to
> import zpool:
>    mfsbsd# zpool status
>    no pools available
>    mfsbsd# zpool import
>       pool: zroot
>         id: 16074929158756467860
>      state: ONLINE
>    status: The pool was last accessed by another system.
>    action: The pool can be imported using its name or numeric
>    identifier and
>             the '-f' flag.
>        see: http://www.sun.com/msg/ZFS-8000-EY
>    config:
>             zroot                                           ONLINE
>               raidz1-0                                      ONLINE
>                 gptid/2ea57c66-bc69-11df-8955-0050dad823cd  ONLINE
>                 gptid/5bc92016-6852-11df-a16c-0050dad823cd  ONLINE
>                 gptid/87d467cc-bc3b-11df-8066-0050dad823cd  ONLINE
>    mfsbsd# zpool import -f zroot
>    cannot import 'zroot': one or more devices is currently unavailable

Is there anything that may keep any of those vdevs open?
Try setting vfs.zfs.debug to 1 before import.

Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://yomoli.com
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