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Date: Fri, 27 Dec 2013 12:28:23 -0500
Message-ID: <CAB7-odk+SQCYosVXYz5PAEw1=850RtSxhcJgs-RMTKGiPxitJA@mail.gmail.com>
Subject: Re: FreeBSD 10.0-RC3 Now Available
From: Thomas Hoffmann <trh411@gmail.com>
To: Scot Hetzel <swhetzel@gmail.com>
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Cc: Warren Block <wblock@wonkity.com>, Mathieu Arnold <mat@freebsd.org>,
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 FreeBSD Stable <freebsd-stable@freebsd.org>
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On Fri, Dec 27, 2013 at 12:15 PM, Scot Hetzel <swhetzel@gmail.com> wrote:

> The correct way to install/update ZFS Boot code on an MBR disk is:
>
> Install boot Manager (required on first install)
>
> # gpart bootcode -b /boot/boot0 ad0
>
> Note: /boot/mbr could also be used if you are not multibooting
>
> Install ZFS boot1 stage
>
> # sysctl kern.geom.debugflags=0x10
> # dd if=/boot/zfsboot of=/dev/ada0s1 count=1
>
> or
>
> # dd if=/boot/zfsboot of=/tmp/zfsboot1 count=1
> # gpart bootcode -b /tmp/zfsboot1 /dev/ada0s1
>
> Install ZFS boot2 stage
> # dd if=/boot/zfsboot of=/dev/ada0s1a skip=1 seek=1024


This ties everything together nicely for me, especially the part about the
first bootcode install, which had me really confused. Thanks.