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Date:      Fri, 27 Dec 2013 12:28:23 -0500
From:      Thomas Hoffmann <trh411@gmail.com>
To:        Scot Hetzel <swhetzel@gmail.com>
Cc:        Warren Block <wblock@wonkity.com>, Mathieu Arnold <mat@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, FreeBSD Stable <freebsd-stable@freebsd.org>
Subject:   Re: FreeBSD 10.0-RC3 Now Available
Message-ID:  <CAB7-odk%2BSQCYosVXYz5PAEw1=850RtSxhcJgs-RMTKGiPxitJA@mail.gmail.com>
In-Reply-To: <CACdU%2Bf_x==KzoSbL9ViNxcYJFSSQf=3g11Y7G2OzKt1MqR5K7g@mail.gmail.com>
References:  <20131226162521.GK2009@glenbarber.us> <CA%2BWntOt26JXT3Bh8ccSM-fQ726c2Hy3F06n2iDbu3pLBXjn-AA@mail.gmail.com> <20131226212158.GD13109@glenbarber.us> <CACuV5sCjjsjFK9AjJ7saRPpDktwxf1rd6a-M2FKXXYf-EaBy2w@mail.gmail.com> <BCB09816844D0B52B1EFE964@atuin.in.mat.cc> <CACuV5sD2Cw=iZ=uE8BjcV6j8-Bc8ppChQ=ZPKZ7uFTXQLmhCxQ@mail.gmail.com> <2F6DABD655B7C3230EC0F15D@ogg.in.absolight.net> <CAB7-odmH-b=%2B_-BwF1jt7EMdTxpK-P%2Bw%2Bp6Ce9-k7mRvXpLzog@mail.gmail.com> <38B0C411B75D7482B92033D2@ogg.in.absolight.net> <alpine.BSF.2.00.1312270859430.32365@wonkity.com> <CACdU%2Bf_x==KzoSbL9ViNxcYJFSSQf=3g11Y7G2OzKt1MqR5K7g@mail.gmail.com>

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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.



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