From: - - <fdp@fkoop.de>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Help needed when btrfs raid5 crashed
Date: Thu, 23 Apr 2015 19:30:56 +0200 (CEST) [thread overview]
Message-ID: <935962336.145772.1429810256346.JavaMail.open-xchange@oxbaltgw03.schlund.de> (raw)
Hello,
I had a 3 disk raid5 system with btrfs installed. Unfortunately one of the disks
crashed. Now I cannot mount the system any more, not even with the degraded
option. I suspect the failed disk to have a hw failure. I Think part of the
problem might be that I configured the system to not only have the data and
metadata, but also the system data in raid config. Is there any chance that I
might get my data back from the file system?
Currently the system does not boot any more. It was a debian testing system with
btrfs version 3.17. The kernel was originally 3.16.0-4-amd64, but now I also
have 3.19.0-trunk-amd64 installed.
When I run btrfs fi show, I get an error message:
Check tree block failed, want=<big number>, have=<another big number>
read block failed check_tree_block
Couldn' t read chunk root
warning, device 2 is missing
Sorry, I cannot copy/paste as the machine does not boot anymore.
Can anyone give me some help or can explain to me what other kind of info you
need? Thanks.
---
Kind regards
Felix
next reply other threads:[~2015-04-23 17:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-23 17:30 - - [this message]
2015-04-24 4:30 ` Help needed when btrfs raid5 crashed Duncan
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