degraded does not mount or fsck
To: Vladi Gergov
Cc: linux-btrfs
Date: Tue, 16 Nov 2010 16:50:58 -0500
User-Agent: Sup/git
Excerpts from Vladi Gergov's message of 2010-10-29 16:53:42 -0400:
> >>> gypsyops @ /mnt > sudo mount -o degraded /dev/sdc das3/
> Password:
> mount: wron
t external fsck customer, is
> there anyway you can do a raw device based backup of the blocks? This
> way if I do mess things up we can repeat the experiment.
>
> -chris
>
> !DSPAM:4ce2fd55191821234852255!
>
>
--
,-| Vladi
`-| Gergov
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014 10:20:42 -0800, Vladi Gergov wrote:
> > Thanks Miao,
> >
> > I have tried to mount it with -o degraded and -o recovery here is the
> > outputs:
> >
> > [216094.269443] btrfs: device label das4 devid 2 transid 107954
> > /dev/loop7
> > [216094.28196
107954
/dev/loop7
[216135.145996] btrfs: enabling auto recovery
[216135.146783] btrfs: failed to read chunk root on loop7
[216135.155985] btrfs: open_ctree failed
any other suggestions? Thanks again.
On Thursday, 16.01.14 at 10:10, Miao Xie wrote:
> On wed, 15 Jan 2014 11:40:09 -0800, Vladi Ger
+ kernel 3.13-rc7 and
attempted an chunk recovery which failed with this
http://bpaste.net/show/168445/
If anyone can help me get at least some of the data off this bad boy it
would be great! I am cc'ing Miao since his name was thrown under the bus
in irc :). Thanks in advance!
--
,-| Vladi
`-| G
fsck that can scan
for the correct trees and fix it for you.
Since you're basically going to be my first external fsck customer, is
there anyway you can do a raw device based backup of the blocks? This
way if I do mess things up we can repeat the experiment.
-chris
--
,-| Vladi
`-| Gergov
--
s: open_ctree failed
>>> gypsyops @ /mnt > sudo btrfsck /dev/sdc
btrfsck: volumes.c:1367: btrfs_read_sys_array: Assertion `!(ret)' failed.
any help please?
--
,-| Vladi
`-| Gergov
!DSPAM:4ccb39a9191821603519226!
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