How do VMS Condists work?

From: David Barnes <davebarnes_at_adelphia.net>
Date: Wed May 29 20:08:42 2002

Here's the deal...
OpenVMS Alpha cd's will boot up into a minimal OpenVMS system, you can exit
to dcl and do most commands.
OpenVMS VAX cd's will boot only into Standalone Backup.




Bob Lafleur wrote:

> I did try alternate roots, as that was my first thought also. But it
> didn't work.
>
> Actually, the discs don't even look to have the files necessary for a
> "full" (or even minimal) VMS system to run from CD-ROM.
>
> -----Original Message-----
> From: cctalk-admin_at_classiccmp.org [mailto:cctalk-admin_at_classiccmp.org]
> On Behalf Of brian wheeler
> Sent: Wednesday, May 29, 2002 11:48 AM
> To: cctalk_at_classiccmp.org
> Subject: RE: How do VMS Condists work?
>
> On Wed, 2002-05-29 at 10:33, Bob Lafleur wrote:
> > Andreas,
> >
> > I know how to boot a CD-ROM in a VAX. I've got the VMS 7.2 hobbyist,
> > VMS 7.2 regular distrib, and VMS 7.3 regular distrib, and when I boot
> > them all, I just go into standalone backup. I thought maybe there was
> > some "trick" I didn't know about to boot into a regular VMS system.
> >
> > - Bob
> >
>
> Parts of my brain is saying "use an alternate root", but I'm not sure
> where that came from...
>
> Brian
>
> > -----Original Message-----
> > From: cctalk-admin_at_classiccmp.org [mailto:cctalk-admin_at_classiccmp.org]
> > On Behalf Of Andreas Freiherr
> > Sent: Wednesday, May 29, 2002 11:20 AM
> > To: cctalk_at_classiccmp.org
> > Subject: Re: How do VMS Condists work?
> >
> >
> > Bob,
> >
> > to PC users, this may sound like I am joking, but I am serious: to
> > boot VMS from CD, you do the same things you would do with any other
> > disk (isn't this what abstraction layers are good for?): assuming that
>
> > your CD ROM drive is DKA400 because you selected SCSI ID #4, you will
> > insert the disk and issue the command
> >
> > >>> BOOT DKA400
> >
> > at the console prompt. That's it! - No magic with a special BIOS that
> > would need to support SCSI or CD booting or other wizardry.
> >
> > A VAX can even be booted directly from tape, but this will normally
> > take you into the standalone backup (S/A backup), a reduced
> > functionality operating system that is only made for restoring backups
>
> > in cases where no other operating system is available for use. Alphas
> > do not have this feature any more.
> >
> > Regards,
> > Andreas
> >
> > Bob Lafleur wrote:
> > >
> > > > I believe that the VAX V6.1 CDs were the
> > > first ones that could be booted directly
> > > into OpenVMS (rather than just being
> > > able to boot S/A BACKUP to restore
> > > the .B saveset).
> > >
> > > How does one go about booting the CD directly into OpenVMS?
> >
> > --
> > Andreas Freiherr
> > Vishay Semiconductor GmbH, Heilbronn, Germany http://www.vishay.com
Received on Wed May 29 2002 - 20:08:42 BST

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