From: Tommy Jonsson <quazzie@gmail.com>
To: Chris Mason <chris.mason@oracle.com>, linux-btrfs@vger.kernel.org
Subject: Re: Fsck, parent transid verify failed
Date: Thu, 2 Dec 2010 22:59:33 +0100 [thread overview]
Message-ID: <AANLkTi=TQ5FeVH2=56kNrdiUNBmSc=dSOwMwcKOVkaTq@mail.gmail.com> (raw)
In-Reply-To: <1291326502-sup-1726@think>
$ btrfsck -s 1 /dev/sda
using SB copy 1, bytenr 67108864
parent transid verify failed on 2721514774528 wanted 39651 found 39649
btrfsck: disk-io.c:739: open_ctree_fd: Assertion `!(!tree_root->node)' =
failed.
Aborted
$ btrfsck -s 2 /dev/sda
using SB copy 2, bytenr 274877906944
parent transid verify failed on 2721514774528 wanted 39651 found 39649
btrfsck: disk-io.c:739: open_ctree_fd: Assertion `!(!tree_root->node)' =
failed.
Aborted
-tommy
On Thu, Dec 2, 2010 at 10:50 PM, Chris Mason <chris.mason@oracle.com> w=
rote:
> Excerpts from Tommy Jonsson's message of 2010-12-02 16:45:39 -0500:
>> I can't remember if i used -m raid0.
>> I think i just used "mkfs.btrfs /dev/sda" then "btrfs device add /de=
v/sdb"
>> and same for sdc.
>> I am sure that i didn't explicitly use -m raid1 or raid10.
>> Is there a way that i can check this ?
>
> The defaults will maintain raid1 as you add more drives. =A0We can ch=
eck
> it with btrfs-debug-tree from the git repository. =A0But, more below.
>
>>
>> If i do have raid0 for both metadata and data is there anything i ca=
n do ?
>> I've been looking at the source but haven't got my head around it ye=
t.
>>
>> What whould happen if i just ignore/bypass the transid error?
>>
>> The error:
>> [265889.197279] device fsid 734a485d12c77872-9b0b5aa408670db4 devid =
3
>> transid 39651 /dev/sda
>> [265889.198266] btrfs: use compression
>> [265889.647817] parent transid verify failed on 2721514774528 wanted=
39651
>> found 39649
>> [265889.672632] btrfs: open_ctree failed
>>
>> Or could i update the metadata to want 39649 ?
>
> The first thing I would try is:
>
> git pull git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-pr=
ogs-unstable.git
>
> Build the latest tools, then:
>
> btrfsck -s 1 /dev/xxx
> btrfsck -s 2 /dev/xxx
>
> If either of these work we have an easy way to get it mounted. =A0Jus=
t let
> me know.
>
> -chris
>
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next prev parent reply other threads:[~2010-12-02 21:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-01 11:00 Fsck, parent transid verify failed Tommy Jonsson
2010-12-02 16:21 ` Chris Mason
2010-12-02 21:49 ` Tommy Jonsson
[not found] ` <AANLkTim5-5KQ3_sEb9WY+O1Uj36=3M3i_yQKeuSb7Qe5@mail.gmail.com>
2010-12-02 21:50 ` Chris Mason
2010-12-02 21:59 ` Tommy Jonsson [this message]
2010-12-02 22:16 ` Tommy Jonsson
2010-12-08 20:07 ` Tommy Jonsson
2010-12-09 17:14 ` Chris Mason
2010-12-15 12:39 ` Tommy Jonsson
2011-01-03 15:27 ` Tommy Jonsson
2010-12-09 16:21 ` Tom Kuther
2010-12-10 20:11 ` Chris Mason
2010-12-12 11:21 ` Tom Kuther
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