Booting 2nd(!) FreeBSD installation sitting on same disk
Andre Albsmeier
Andre.Albsmeier at siemens.com
Sun Nov 4 08:55:25 UTC 2012
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 at siemens.com<mailto:Andre.Albsmeier at 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
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