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Date: Thu, 29 Nov 2012 12:30:13 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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To: Raymond Jimenez <raymondj@caltech.edu>
Subject: Re: ZFS kernel panics due to corrupt DVAs (despite RAIDZ)
References: <50B3E680.8060606@caltech.edu> <50B49F6A.2020509@FreeBSD.org>
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on 29/11/2012 12:13 Raymond Jimenez said the following:
> On 11/29/2012 1:47 AM, Andriy Gapon wrote:
>> on 29/11/2012 11:29 Raymond Jimenez said the following:
>>> Hi Andriy,
>>>
>>> On 11/27/2012 3:09 AM, Andriy Gapon wrote:
>>>>
>>>> Perhaps this thread could be of some interest to you:
>>>> http://thread.gmane.org/gmane.os.freebsd.devel.file-systems/15611/focus=15616
>>>>
>>>
>>> Thank you for the pointer. Unfortunately, a scrub segfaults in the same
>>> place with the same output.
>>
>> My intention was to show the debugging techniques for examining that troublesome
>> data.
>>
> 
> I see, thank you very much. It did help a considerable bit, especially
> showing how to use zdb with the debugging information. I'll continue
> working on this and maybe if I'm lucky, I can come up with some patch
> for my system.

Just in case, there was a parallel thread about the same problem:
http://thread.gmane.org/gmane.os.illumos.zfs/35

-- 
Andriy Gapon