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Date: Fri, 21 Feb 1997 13:12:43 +0200 (IST)
From: Nadav Eiron <nadav@barcode.co.il>
To: Archive Service <archive@in-design.com>
cc: Doug White <dwhite@resnet.uoregon.edu>, Jim Pirzyk <pirzyk@faf.disney.com>,
        questions@FreeBSD.org
Subject: Re: Changing boot drives
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On Wed, 19 Feb 1997, Archive Service wrote:

> On Fri, 14 Feb 1997, Nadav Eiron wrote:
> 
> 
> 	Question along the same lines.  How can I blow away the Freebsd 
> OS loader, and install system commander instead?  What to do to get rid 
> of this loader.  MBR?
> 

To restore the default MBR under DOS do
FDISK /MBR

Under OS/2 this changes to
FDISK /NEWMBR

> 
> > 
> > 
> > On Thu, 13 Feb 1997, Doug White wrote:
> > 
> > > On Thu, 13 Feb 1997, Jim Pirzyk wrote:
> > > 
> > > > 
> > > > I installed FreeBSD 2.1.6 on the second drive in my machine (at the time
> > > > it was called wd1), but now I moved it to wd2 and my CDROM to wd1.  It now
> > > > sees the CDROM, but how do I change it so that when I boot up, it tries
> > > > to mount root from wd2a, instead of wd1a.  It panics when it tries to mount
> > > > wd1a.  I can at the boot: prompt type  '1:wd(2,a)/kernel' but I would like
> > > > not to have to do that if possible.
> > > 
> > > Rebuild your kernel and modify the 'kernel root on ...' line as
> > > appropriate.
> > 
> > You'll also have to change /etc/fstab. It would be much easier for you if 
> > you just rename your disk back to wd1. To do that, remove the wd1 line 
> > from the kernel config file (i.e. comment it out) and replace the '2' on 
> > the wd2 line with a '1'. This would make your disk be called wd1 again. 
> > The CD is not called wd1 but wcd0, so they will not collide.
> > 
> > > 
> > > Doug White                              | University of Oregon  
> > > Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
> > > http://gladstone.uoregon.edu/~dwhite    | Computer Science Major
> > > 
> > > 
> > Nadav
> > 
> 
Nadav