[Simh] Adding storage to vax running 4.3BSD

[Johnny Billquist]

On 2017-05-11 15:34, Paul Koning wrote:
>
>> On May 11, 2017, at 9:24 AM, Jason Stevens <jsteve at superglobalmegacorp.com> wrote:
>>
>> Ah now that makes more sense!
>>
>> On May 11, 2017 5:11:34 AM GMT+08:00, Alan Perry <aperry at snowmoose.com> wrote:
>>
>> Problem solved. Apparently this kernel doesn't know about RA82s. I
>> changed them to RA81 and it worked fine.
>>
>> alan
>
> Yikes.  The whole point of MSCP was to make the software not care about device sizes or geometry.  It's amazing to see Unix get it so badly wrong.

True. However, it isn't actually the geometry that cause the Unix messup 
here, but the fact that Unix divided disks into partitions. So it needed 
to know where each partition started. And before disklabels, it was 
hardcoded per disk type.

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol