On Tue, Feb 27, 2007 at 05:29:16PM +0300, Alexander Bubnov wrote:
> I just tried to use the whole disk installing NetBSD.
> 
> As you know NetBSD installer offers:
> 
> Which would you like to do?
> 
> a: Edit the MBR partition table
> b: Use the entire disk
> 
> I choose point b. Although, I tried use point a and installed NetBSD as the
> first partition and result the same.
> Result:
> 
> Boot failed (errno 2): Can't open /boot.

Maybe try zapping the disk with

  dd if=/dev/zero of=/dev/rwd0d count=100

and try again with option b ?

Cheers,

Patrick