From owner-freebsd-fs@FreeBSD.ORG  Wed Apr 23 07:57:42 2014
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Date: Wed, 23 Apr 2014 10:00:56 +0200
From: Hugo Lombard <hal@elizium.za.net>
To: Gennadiy Gulchin <ggulchin@icloud.com>
Subject: Re: ZFS unable to import pool
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On Wed, Apr 23, 2014 at 12:48:16AM -0700, Gennadiy Gulchin wrote:
> Sorry, it was dd if=/dev/null of=/dev/ada7 bs=512 count=1...
> 

OK, so you only overwrote the first 512 bytes of the disk, am I
understanding correctly?

Can you see if any output results from:

  zdb -l /dev/ada7

-- 
Hugo Lombard
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