On Sat, 16 Jun 2001, Mike Cheponis wrote:

Kernel protection level can cause this (if I'm remembering correctly)

What does "sysctl kern.securelevel" return?

If you get -1 then it's disabled. If not -1 then you could retry the
dd again in single user mode.

Alex.

> 
> I also have exactly the same problem!  -Mike
> 
> 
> On Sat, 16 Jun 2001, amaya wrote:
> 
> > Date: Sat, 16 Jun 2001 09:20:43 -0700 (PDT)
> > From: amaya <amaya@idiom.com>
> > To: netbsd-help@netbsd.org
> > Subject: Help Cloning a drive -- dd broken?
> >
> > I have been trying to clone an existing installation of 1.41-i386 by
> > dd-ing it from source drive (rwd0a) to an identical destination drive
> > (rwd1a) but dd always fails with a "read-only" error on the destination
> > drive. What is the problem?
> >
> > Seems to me I've done this exact thing on PMAX's and Alphas with no
> > problem...
> >
> >
> > Both drives have identical disk labels
> >
> > I was using dd as a last resort after I tried cloning by using
> > newfs,pax,installboot and messing about with the fdisk utility,but never
> > ended up with a bootable drive...
> >
> > Any suggestions appreciated...
> >
> >
> > PCW
> >
> >
> >
> 
>