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Date:      Wed, 3 Jan 2018 08:16:49 +0100
From:      Marko Turk <markoml@markoturk.info>
To:        Grzegorz Junka <list1@gjunka.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Booting from two drives in stages, was Combining / and /boot in different ZFS pools
Message-ID:  <20180103071648.GA29631@vps.markoturk.info>
In-Reply-To: <5A4C0785.6070709@gjunka.com>
References:  <696e5fe0-b0db-71e2-db62-43dad35e1053@gjunka.com> <5A4C0785.6070709@gjunka.com>

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On Tue, Jan 02, 2018 at 10:28:21PM +0000, Grzegorz Junka wrote:
> Hello All,
> Trying this question again but rewording it differently.
>=20
> Is it possible to boot the system in such a way that the kernel is=20
> loaded from the /boot folder from one ZFS pool, then once the kernel has=
=20
> been loaded it mounts a second ZFS pool and loads the system from it=20
> (the reason is that the drive with second pool needs a driver that's=20
> only in the kernel)?

If you choose ZFS auto installer with MBR (not GPT), I think it will
create two pools: one for the kernel, other for the rest.

Try installing this to some VM, see how it works and copy/modify to your
needs.

/Marko

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