Thank you all for the tips and pointers. I like the idea of pulling the image off of my real drive, but how would I transfer it between the pdp and my Linux box with Simh? It is too big for the tu58 emulator.
On Sun, Oct 20, 2024 at 03:15 cz via cctalk <cctalk@classiccmp.org> wrote: > > If you go this route, be advised, that SIMH creates RD32 disk images > > are not the same size as a real RD32. This will likely cause problems > > when writing a SIMH created image to a real disk (and I'm not talking > > about the additional issues that the trailing metadata on disk images > > from the Pizzolato version of SIMH can cause - the problem I'm > > describing is caused by an incorrect disk size value in SIMH). > > True, I think you can get around this by making them disk in SIMH a > couple of blocks smaller. > > However there is another way. Format your real RD32 with the RQDX3 > formatter, then once formatted suck it into a file. Then you have an > exact replica you can mount in SIMH and load it up. > > I did this with a 154mb Hitachi ESDI MCSP disk that went "bad" 30 years > ago and would not boot. Sucked it in, booted RSX11M off a virtual drive, > then mounted it. Turns out when I did a purge of old files I deleted the > RSX11M.TSK file I was using to boot because I forgot to do a /SAV /WB in > VMR to update the boot block to the new file location. Did that, system > booted, then copied it back to the "real" Hitachi disk. > > Back in operation. :-) > >
