Booting more than 4 OSes from a hard disk?
derek at computinginnovations.com
Tue Aug 8 16:26:23 UTC 2006
Master boot records are limited to four which is where the limit comes
from. It is theoretically possible to have the MBR point to a new disk
location where you could have a boot manager that supports unlimited boot
partitions. But that requires all the booting is in software and outside
A simple solution is to use 2 disks. Each with four partitions. The
FreeBSD bootmanager will offer to boot from disk2. On disk 2 you can have
your remaining OS's.
At 10:40 AM 8/8/2006, Girish Venkatachalam wrote:
>I was wondering if the 4 primary parition booting
>limit still exists. Is it possible to have
>on the same box in such a way that we can boot into
>any of them?
>I am particularly interested in the x86 arch with IDE
>disks. I think this is possible on other archs with
>What boot manager am I supposed to use? Does it
>require setting something on the BIOS? Does FreeBSD
>support booting from a point way off the first sector?
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