How to transfer data FAST?

Zane H. Healy healyzh at aracnet.com
Wed Jun 22 17:20:10 CDT 2005


>  Zane> It helps that I have SCSI Controllers on my operational
>  Zane> PDP-11's.  I use removable disk trays that allow me to move the
>  Zane> HD's between PDP-11's, and more importantly to hook them up to
>  Zane> a Unix box, at which point I can use 'dd' to back them up.  The
>  Zane> resulting disk images can be accessed via SIMH, E11, or burned
>  Zane> to a CD-R and accessed on the real PDP-11 HW.  I've managed to
>  Zane> boot and install RT-11, RSX-11M, and RSX-11M+ from CD-R.  I've
>  Zane> yet to figure out how to do that with RSTS/E. 
> 
> If the CD-R is on a controller RSTS understands (MSCP is the only
> option I can think of for this) and is formatted with the RSTS file
> structure, and has a boot block in sector zero, it should all just
> work.
> 
> I haven't personally done this but I'm pretty sure it was done by one
> of my friends.  I even have some weird "hybrid file system" hacks in
> RSTSFLX to let you create a CD-R that's partly ISO and partly RTST,
> and bootable.  I believe that was used and shown to work, though I
> never saw the results.
> 
> If you have the files, RSTSFLX can make a bootable disk image for you,
> so you can try this yourself.
> 
>    paul

I didn't have any problem with getting RSTS/E to start to boot off of CD-R,
where I had problems was with it not liking the fact it was on a Read-Only
filesystem.  If I had a better understanding of RSTS/E, I suspect this could
be overcome.  I've not had the time to look further into the matter.

		Zane




More information about the cctalk mailing list