> On Aug 2, 2017, at 11:32 AM, Aaron Jackson via cctech <cct...@classiccmp.org> > wrote: > > Hi all, > > I will soon be getting a PDP-11/73 with 1MB of RAM, an RLV12 and DEQNA > controllers. I already have two RL02 and packs (which need a clean), > with thanks to Dave Wade on this list. > > Ideally I would like to run 2.11BSD, on two RL02 drives, I'm not sure > this is going to be possible. Does anyone know/think otherwise? Maybe by > removing *many* unnecessary and running strip on any binaries left from > my destruction? Ignoring spare for the user, for the time being... > > If not, what other UNIX options are there which I will be able to use, > supporting the DEQNA and running on two RL02 drives? > > Input much appreciated.
Here’s what I did (but I wasn’t space constrained as I have the equivalant of 4 RP06 drives). You’ll likely have to configure the kernel. This is easiest done within an emulator, as it took 24hours on my 11/70. I decided that the emulator approach was best after the 2nd time I screwed it up. :-/ Running on an emulator allows you to “play around” with the configuration and what will and won’t fit. You’ll likely have to start with a configuration larger than your target just to get started (but I haven’t done it in a long time so YMMV). That will also tell you what you can reasonably fit on two RL02 drives. Also it’s easier to “back up” and start over if you make mistakes (save a version of the emulated disk files before making substantive changes and copy them back if you screw up). Once you have something working reasonably well, you can transfer the “bits” over to your 11’s RL drives though your preferred method. TTFN - Guy
