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Date: Sun, 4 Nov 2012 09:45:32 +0100
From: Andre Albsmeier <Andre.Albsmeier@siemens.com>
To: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com>
Subject: Re: Booting 2nd(!) FreeBSD installation sitting on same disk
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On Sat, 03-Nov-2012 at 18:46:04 +0100, Mehmet Erol Sanliturk wrote:
> 
> 
> On Sat, Nov 3, 2012 at 9:54 AM, Andre Albsmeier <Andre.Albsmeier@siemens.com<mailto:Andre.Albsmeier@siemens.com>> wrote:
> For various reasons I have to use this disk layout:
> 
> One harddisk with MBR and 3 slices on a i386 box:
> 
> Slice 1: Windows XP :-(
> Slice 2: FreeBSD 7.4-STABLE V1
> Slice 3: FreeBSD 7.4-STABLE V2
> 
> The MBR is configured as:
> 
> options=packet,noupdate,nosetdrv
> default_selection=F2 (Slice 2)
> 
> When booting, I can choose between:
> 
> F1 Win
> F2 FreeBSD
> F3 FreeBSD
> 
> However, when pressing F3, the system of slice 2(!) is
> loaded. This is due to the fact that boot1 always loads
> the first active FreeBSD slice ;-(.
> 
> I have two possibilities to actually boot slice 3:
> 
> 1. Playing with currdev when loader(8) is loaded (or
>    using loader.conf of slice 2).
> 
> 2. Using boot0cfg to allow updating the MBR.
> 
> 1. is not really fexible and 2. means that the system
> remembers which slice was booted last (something I do
> not want).
> 
> Is there no chance to actually honour the fact that F3 was
> pressed and boot from slice 3 without updating the MBR before?
> 
> Thanks,
> 
>         -Andre
> 
> 
> There is the following port for managing boot selections :
> 
> ftp://ftp.freebsd.org/pub/FreeBSD/ports/amd64/packages-9.0-release/Latest/grub2.tbz
> 
> http://www.freshports.org/sysutils/grub2/

Well, I actually wanted to stick to FreeBSD's boot stuff...

	-Andre