Re: SCSI disk devices

Dave Barr (
Wed, 30 Apr 1997 13:24:06 -0400

In message <m0wMcJ1-0008zEC@seneca>, Harald Milz writes:
>There is one more point to that. We are eventually going to have an SSA
>device driver, and SSA tends to be used in large server installs. Each
>disk is presented to the OS as a single SCSI disk ... so I think we need
>a major change in disk numbering, not just 16 more devices by one more
>major number. 16 bit minors (and majors, for that matter) would be the
>cleanest solution IMHO. That's what commercial Unixes tend do offer.

If we do that, we _definately_ have to adopt something like the
Solaris /dev/dsk/c0t0d0s3 scheme. It gets really tiring trying to out-
guess what the kernel is going to name a new disk when it's put online.