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Date: 15 Jul 2012 07:20:00 +0200
From: Hullen@t-online.de (Helmut Hullen)
To: linux-btrfs@vger.kernel.org
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Subject: Re: bug: raid10 filesystem has suddenly ceased to mount
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Hallo, ????,

Du meintest am 14.07.12:

> The problem is that the BTRFS raid10 filesystem without any
> understandable cause refuses to mount.

> Here is dmesg output:
> [77847.845540] device label linux-btrfs-raid10 devid 3 transid 45639
> /dev/sdc1 [77848.633912] btrfs: allowing degraded mounts
> [77848.633917] btrfs: enabling auto defrag
> [77848.633919] btrfs: use lzo compression
> [77848.633922] btrfs: turning on flush-on-commit
> [77848.658879] parent transid verify failed on 2363592273920 wanted
> 31596 found 25250
> [77848.659060] parent transid verify failed on 2363592273920 wanted
> 31596 found 25250

[...]

Sounds familiar ...

Re-install your backup.

Viele Gruesse!
Helmut