Date: Thu, 29 Nov 2012 01:29:33 -0800 From: Raymond Jimenez <raymondj@caltech.edu> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-fs@FreeBSD.org Subject: Re: ZFS kernel panics due to corrupt DVAs (despite RAIDZ) Message-ID: <50B72AFD.3040902@caltech.edu> In-Reply-To: <50B49F6A.2020509@FreeBSD.org> References: <50B3E680.8060606@caltech.edu> <50B49F6A.2020509@FreeBSD.org>
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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. > For one reason or the other wrong data (but correct looking - proper checksums, > etc) got written to the disk. I'd say use the patch, lift the data and > re-create the pool. Since it's corrupt data coming from higher levels, is there any possibility of getting this data back? Is it worth debugging more to add checks to catch this, or are these scenarios be vanishingly small? Thank you, Raymond Jimenez
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