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Subject: Re: Question: How can I recover this partition? (unable to find logical $hugenum len 4096)
From: Chris Murphy <lists@colorremedies.com>
In-Reply-To: <CAGURm2FS=YTuBpbrg7BV=Un8ZCp9xYZae-WuqhjV29xXA7e0jw@mail.gmail.com>
Date: Mon, 26 Aug 2013 13:10:54 -0600
Cc: linux-btrfs <linux-btrfs@vger.kernel.org>
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References: <79471CD1-CDDD-4EDD-B255-40568B8446E2@nickle.es> <CAKcLGm_QXTjN3e-HtogM+XXygymG+1kjhuOAMNfj=ngSHx5T5Q@mail.gmail.com> <5EB2ECAC-9A8C-4403-8630-944B646DE3B8@nickle.es> <DD09B4EA-9F87-4D18-8B7A-EEF2FFD6A7FE@nickle.es> <EC688346-BA9C-4077-A301-12FFE5463121@colorremedies.com> <A19C7607-0BF4-4C40-B9A3-F94144034B72@colorremedies.com> <6A12FF1B-5E1A-4F6F-92DA-41E52152E6F2@nickle.es> <EA37CDC0-8D44-45ED-8266-0E1CDECBE3EE@nickle.es> <CA17D410-C4E1-4F82-A0FF-CFA6D725E5D2@colorremedies.com> <CAGURm2FS=YTuBpbrg7BV=Un8ZCp9xYZae-WuqhjV29xXA7e0jw@mail.gmail.com>
To: Nick Lee <email@nickle.es>
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On Aug 26, 2013, at 11:41 AM, Nick Lee <email@nickle.es> wrote:

> There was a discussion on IRC a few days ago that the problem with the tree root's bloco was likely the result of either an issue with the disk itself, or the chunk tree/logical mappings. I ran the chunk recover, looked over the errors it found, and hit write. (If it failed, I was going to run something photorec, loss of organization as a side effect.)
> 
> I can write something more clear after my flight lands tomorrow if you want.

I'm just curious about when to use various techniques: -o recovery, btrfsck, chunk-recover, zero log.


Chris Murphy