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Date: Wed, 24 Jul 2013 16:49:00 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: Nikolai Lifanov <lifanov@mail.lifanov.com>, freebsd-fs@FreeBSD.org
Subject: Re: freebsd-fs Digest, Vol 527, Issue 3
References: <mailman.15.1374667201.32351.freebsd-fs@freebsd.org>
 <51EFD131.4090004@mail.lifanov.com> <51EFD2B7.4010001@FreeBSD.org>
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on 24/07/2013 16:30 Nikolai Lifanov said the following:
> This is very interesting...
> When I need to do this, I just set vfs.root.mountfrom= from the loader command
> line.

That's almost it.

> If there is something else, could you point me to it please?

http://ru.kyivbsd.org.ua/arhiv/2012/kyivbsd12-gapon-zfs.pdf?attredirects=0&d=1
Pages 17-22.

-- 
Andriy Gapon