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Date: Mon, 09 Feb 2015 00:45:45 +0100
From: Miroslav Lachman <000.fbsd@quip.cz>
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To: Raphael Eiselstein <rabe@uugrn.org>, freebsd-stable@freebsd.org
Subject: Re: FreeBSD ZFS with Boot Environments (Was: 10.1-RELEASE:
 bsdinstall on zfs: /var and /usr on zroot/ROOT/default)
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Raphael Eiselstein wrote on 02/09/2015 00:26:

[...]

> Having a BE is cool stuff I guess, but it lacks some documentation (at
> least in FreeBSD handbook).
>
> I found just a side note about "boot environments" in the "FreeBSD
> handbook": https://www.freebsd.org/doc/handbook/bsdinstall-partitioning.html
>
> Is there some "official" documentation about boot environments?
>
> Searching the web for 'site:freebsd.org zfs "boot environment"' I found
> https://forums.freebsd.org/threads/howto-freebsd-zfs-madness.31662/
> So is this "official" or mainstream or just a experimental hack or a poc?

BE is heavily used by PC-BSD, so you can try to look for some 
documentation on pcbsd.org.

Miroslav Lachman