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Date:      Thu, 05 May 2011 10:52:03 +0200
From:      Stefan Esser <se@FreeBSD.org>
To:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   ZFS panic during file move on nearly full pool
Message-ID:  <4DC26533.5010904@FreeBSD.org>

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I just lost my 2TB ZFS pool while moving some large files (ISO images)
under a current stable. The system paniced with a message very similar
to the one reported in

	http://unix.derkeiler.com/Mailing-Lists/FreeBSD/current/2009-05/msg00181.html .

Seems, that the on-disk structure is damaged, since the identical panic
happens even when I try to import into a fresh -CURRENT with its newer
ZFS code.

Is there any chance to recover my data? I have copies of some critical
information, but no easily restorable complete backups and thus I´m very
interested in getting (most of) this pool working again ...

Any ideas or help?

Thanks in advance!

STefan



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