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Date:      Fri, 22 Feb 2013 11:53:55 +0100
From:      David Demelier <demelier.david@gmail.com>
To:        uki <ukaszg@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Root on zfs (stable9) - how to make it bootable
Message-ID:  <CAO%2BPfDcyPWeMcr-ZbaZhgiC_HeCibvW5o220ryc%2BgJJkYw7zrw@mail.gmail.com>
In-Reply-To: <CAN_VB4Wh88oOz7vNGgtKq7w41q8OXF=39hYup-Uwm6OowDEVHA@mail.gmail.com>
References:  <CAN_VB4Wh88oOz7vNGgtKq7w41q8OXF=39hYup-Uwm6OowDEVHA@mail.gmail.com>

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There are a lot of example in gpart(8) man page. You should use it

I think you should do something like

gpart bootcode -b /boot/pmbr ada0
gpart bootcode -p /boot/gptzfsboot -i 1 ada0

(The second assume that you have a freebsd-boot as first index in ada0)

Cheers,



2013/2/22 uki <ukaszg@gmail.com>

> Hi,
>
> I want to install freebsd9 (stable) on zfs root, unfortunately my bios
> is unable to recognize GPT discs.
> I'm using MBR disc, with BSD slice (on mbr index 4) containing
> freebsd-zfs filesystem.
>
> I've no idea how to make it bootable, I've tried using:
>
>   zpool export sys
>   dd if=3D/boot/zfsboot of=3D/dev/ada0s4 count=3D1
>   dd if=3D/boot/zfsboot of=3D/dev/ada0s4a skip=3D1 seek=3D1024
>   zpool import sys
>
>
> When I select F4 (slice with zfs) whilst booting the computer just turns
> off.
> How do I make it boot? Do I need freebsd-boot slice?
>
> I have set bootfs property on pool, and added vfs.root.mountfrom to
> loader.conf.
>
>
> Cheers,
> =C5=81ukasz Gruner
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--=20
Demelier David



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