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Date: Fri, 25 Jan 2013 18:49:41 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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To: Warren Block <wblock@FreeBSD.org>
Subject: Re: svn commit: r245910 - head/sbin/geom/class/part
References: <201301251633.r0PGX15j040754@svn.freebsd.org>
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on 25/01/2013 18:33 Warren Block said the following:
> +After all pools are detected,
>  .Pa /boot/zfsloader
> -if found.
> +is started from the first one found.

Thank you for improving this documentation!
I would further clarify the above snippet to the effect of saying that
/boot/zfsloader is taken from a filesystem pointed to by bootfs property of that
first pool.  Or if bootfs is not set then from a filesystem in a root of the pool
("poolname").

Not sure how to express this logic properly and concisely.

P.S. Just in case:
http://ru.kyivbsd.org.ua/arhiv/2012/kyivbsd12-gapon-zfs.pdf?attredirects=0&d=1
Page 17 and on (ZFS Boot Process section).

-- 
Andriy Gapon