On Wed, 9 Aug 2006, Marco S Hyman wrote:

> spam@controlq.com writes:
>
> > creating a boot tape, but I'd prefer to create a boot cdrom. Is this an
>
> It's easy to create a boot CD from a running hppa/openbsd machine,
> don't know about creating it on another architecture, though.
> Create file.iso (I usually use mkhybrid) then do this:
>
> dd if=/usr/mdec/cdboot of=${ISODIR}/file.iso bs=32k count=1 conv=notrunc
> vnconfig -v -c svnd0 ${ISODIR}/file.iso
> disklabel -w svnd0 fakecdrom "CD-ROM OpenBSD"
> vnconfig -u svnd0
> dd if=/dev/zero bs=64k count=1 >> ${ISODIR}/file.iso
>
> I'm not 100% sure that the disklabel is needed, but at least it doesn't
> seem to hurt.
>

Ahh, yes, good information, but I do not have a running OpenBSD system
(though I have a bunch of FreeBSD's running). My intention is to create a
boot cdrom to perform the installation of OpenBSD 3.9 on an HP9000 712/60.

mkisofs complains about the lif partition when I attempt to use that as
the target of the El Torito boot segment -b (wrong size). Hmmm ...

I also see that there is a cd39.iso file in the distro, and I burned that
but the 712 doesn't like it enough to boot from it (It appears from
vnconfig/mount to contain only kernel.rd) and so I'm wondering how one
might go about burning a cd which will boot, and contain all the base
partitions, along with the src and sys source files and ports ...

From the information above, I guess I need to know the equivalent of the
infile to the dd (/usr/mdec/cdboot), and how to convince mkisofs to use it
as a boot partition?

Thus far I have 2 coasters ... 8-{

Cheers,
Rob.


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