From: Malwina Bartoszynska <m.bartoszynska@rootbox.com>
To: Chris Mason <chris.mason@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: "btrfs: open_ctree failed" error
Date: Thu, 22 Dec 2011 10:43:57 +0100 [thread overview]
Message-ID: <4EF2FBDD.3090709@rootbox.com> (raw)
In-Reply-To: <20111221190605.GY19266@shiny>
W dniu 2011-12-21 20:06, Chris Mason pisze:
> On Wed, Dec 21, 2011 at 01:54:06PM +0000, Malwina Bartoszynska wrote:
>> Hello,
>> after unmounting btrfs partition, I can't mount it again.
>>
>> root@xxx:~# btrfs device scan
>> Scanning for Btrfs filesystems
>> root@xxx:~# mount /dev/sdb /data/osd.0/
>> mount: wrong fs type, bad option, bad superblock on /dev/sdb,
>> missing codepage or helper program, or other error
>> In some cases useful info is found in syslog - try
>> dmesg | tail or so
>>
>> root@xxxx:~# dmesg|tail
>> [57192.607912] device fsid ed25c604-3e11-4459-85b5-e4090c4d22d0 devid
>> 2 transid14429 /dev/sda
>> [57204.796573] end_request: I/O error, dev fd0, sector 0
>> [57231.660913] device fsid ed25c604-3e11-4459-85b5-e4090c4d22d0 devid 1
>> transid 14429 /dev/sdb
>> [57231.680387] parent transid verify failed on 424308420608 wanted 6970
>> found 8959
>> [57231.680546] parent transid verify failed on 424308420608 wanted 6970
>> found 8959
>> [57231.680705] parent transid verify failed on 424308420608 wanted 6970
>> found 8959
>> [57231.680861] parent transid verify failed on 424308420608 wanted 6970
>> found 8959
>> [57231.680869] parent transid verify failed on 424308420608 wanted 6970
>> found 8959
>> [57231.680875] Failed to read block groups: -5
>> [57231.704165] btrfs: open_ctree failed
> Can you tell us more about this filesystem? Was there an unclean
> shutdown or did you just unmount, mount again?
>
> The confusing thing is that all of your disks seem to have the same copy
> of the block, so it looks like things were written properly.
>
> -chris
There was no shutdown before this, filesystem was just unmounted(which
looked as properly done - no errors). Then tried to mount it again.
Is there way of fixing it?
--
Malwina Bartoszynska
next prev parent reply other threads:[~2011-12-22 9:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-21 13:54 "btrfs: open_ctree failed" error Malwina Bartoszynska
2011-12-21 19:06 ` Chris Mason
2011-12-22 9:43 ` Malwina Bartoszynska [this message]
2012-01-31 15:53 ` Max
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4EF2FBDD.3090709@rootbox.com \
--to=m.bartoszynska@rootbox.com \
--cc=chris.mason@oracle.com \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.