Can disks be copied using only one RL02 drive?

[Gordon JC Pearce]

On Thu, 2007-05-03 at 14:19 +0000, charlesmorris at hughes.net wrote:
> I've got a PDP-11/23+ with 4 Mb RAM, but only one RL02 and no software 
> except an XXDP pack. Henk Gooijen helpfully made for me a (RT-11) 
> bootable pack that is on the way (if the post offices between Europe 
> and the US don't lose or destroy it). So I definitely want to make a 
> backup copy.
> 
> Is this possible to do with only one drive? Apparently you can't swap 
> disks back and forth like the old DOS or CP/M systems. Henk thinks 
> creating a RAM disk would work, and copy files but I don't know 
> anything about RT-11.
> 
> The alternative is to take the RL02 from my PDP-8/A and connect it, 
> but then I don't have a "1" key, they are both unit "0".

You could dump it over vtserver (very slow) and copy to the new pack.
That's how I got XXDP onto a scratch pack.

Gordon