Ultrix also came with an unsupported example called itc.c (found in
/usr/examples/itc).  This does an image tape copy which I have
successfully used to create archives of MDM, et al.

Paul



On Fri, 14 Apr 2000, Carl Lowenstein wrote:

> 
> > Date: Thu, 13 Apr 2000 21:29:21 +0200 (MET DST)
> > From: Ronny Svedman <ronny@Update.UU.SE>
> > To: Johnny Billquist <bqt@Update.UU.SE>
> > cc: Erno.Palonheimo@Hut.FI, port-vax@netbsd.org
> > Subject: Re: Formatting software tape image, anyone?
> > 
> > On Thu, 13 Apr 2000, Johnny Billquist wrote:
> > 
> > > On Thu, 13 Apr 2000, Erno Palonheimo wrote:
> > > 
> > > > I've understood that if you want to format MSCP disks on a MicroVAX II,
> > > > you have to use some DEC-supplied utility to do that. If I'm correct, the
> > > > utility is on a TK50 cartridge, from which you're supposed to boot to the
> > > > diagnostics utility which also includes formatter.
> > 
> > > 
> > > I think there is a copyright, but I don't know the legalese of this.
> > > 
> > > But apart from that, dd is *not* a usable tool.
> > > This is a typical example when Unix tools fail miserably. Tapes have
> > > records, of perhaps different lengths. You need to preserve this
> > > meta-information when copying tapes, or the copy will not actually be the
> > > same as the original, even though you have the same bytes on both.
> > 
> > I used something called copytape, and that seems to work out fine.. I'll
> > try and dig it up the next time I boot the MVII.
> 
> Somewhere lost in my archives is a set of files from the Diagnostic
> tape, together with a shell script to put it all together on the tape
> drive.  Also lost in the archives is the recipe to turn the "Customer"
> tape into the "Field Service" Diagnostic tape.  This makes it much more
> useful, because you get a disk formatting program that can actually do
> something.
> 
>     carl
> 
> -- 
>         carl lowenstein         marine physical lab     u.c. san diego
>         {decvax|ucbvax} !ucsd!mpl!cdl                 cdl@mpl.ucsd.edu
>                                                   clowenstein@ucsd.edu
>