From owner-freebsd-fs@FreeBSD.ORG  Mon Jul 23 22:20:13 2012
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Date: Mon, 23 Jul 2012 23:14:40 +0100
From: =?ISO-8859-1?Q?Attila_Bog=E1r?= <attila.bogar@linguamatics.com>
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To: Matthew Seaman <matthew@FreeBSD.org>
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Cc: freebsd-fs@FreeBSD.org
Subject: Re: ZFS: .zfs/snapshot directory vanished
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Hi Matthew,

Just a quick question:
Have you been using an L2ARC cache device in the pool where the snapshot 
dir vanished?

Thanks in advance,
   Attila