On Thu, 22 Mar 2007, Roger Ivie wrote:
On Thu, 22 Mar 2007, David Betz wrote:
> I have a MicroVAX II that is able to boot into Ultrix 4.3 single user mode.
> If I type "mount" it says that /dev/ra0a is mounted on /. I assume that is
> my ESDI hard drive since the drives plugged into my SDC-RQD11-EC ESDI
> controller are the only ones plugged into my system. So, my question is,
> what would the second drive on that controller be called? Would it be
> /dev/ra0b or /dev/ra1a? In other words, what do the "0" and "a"
parts of
> the device name mean? Is "0" the controller and "a" the device on
that
> controller?
Also keep in mind you'll have to rebuild the kernel configure file and
recompile the kernel if the current kernel doesn't have a line in it to
see the other drive.
Dynamic device support didn't exist in early unices, I think OSF1/Digital
Unix/Tru64 (ultrix's Alpha successor) didn't even support that until 4.x.
Paul