*BSD News Article 55120


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From: Andrew Gordon <andrew.gordon@net-tel.co.uk>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: FreeBSD on Second HD and OS/2 Bootmanager?
Date: Wed, 15 Nov 1995 12:25:28 GMT
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jay@map.com wrote:
>Has anyone successfully installed FreeBSD on a second HD with OS/2 on the
>first and used OS/2's Boot Manager to boot FreeBSD?  

Yes

>I'm about to install FreeBSD, and was wondering if anyone has had to (or
>wanted to) do this, and what they did to get it working.

Used the OS/2 fdisk to create the FreeBSD partition (as a DOS one) then
installed FreeBSD, getting the FreeBSD FDISK to re-label that partition/slice
as BSD (we couldn't persuade OS/2 to pick up an existing BSD partition for some
reason).

That machine has OS/2 on an IDE disk, then a 1Gb SCSI disk split 500Mb for DOS,
500Mb for FreeBSD.  OS/2 bootmanager will boot any of the three.

>A second question for those in the know - If I make space on the first HD for
>a swap partition, will the FreeBSD fdisk mark it as something other than a
>DOS or OS/2 partition?  I wouldn't want OS/2 to think another partition has 
>appeared, since that would certainly confuse OS/2 as to where it is booting
>from.

You could in theory swap to a file on a DOS partition (via the vnode driver -
see vnconfig(8) ), but I wouldn't recommend it.

As above, OS/2 bootmanager doesn't seem to mind if a partition that used to be
DOS changes to become BSD.