Newsgroups: comp.sys.apollo
Path: utzoo!utgpu!news-server.csri.toronto.edu!helios.physics.utoronto.ca!alchemy.chem.utoronto.ca!system
From: system@alchemy.chem.utoronto.ca (System Admin (Mike Peterson))
Subject: Re:  Mounting 2500 diskless
Message-ID: <1991Mar26.224840.19126@alchemy.chem.utoronto.ca>
Organization: University of Toronto Chemistry Department
References: <9103261516.AA01884@richter.mit.edu>
Date: Tue, 26 Mar 1991 22:48:40 GMT

In article <9103261516.AA01884@richter.mit.edu> krowitz@RICHTER.MIT.EDU (David Krowitz) writes:
>Take a look at the shell script /etc/mkdsk. It describes
>how to create the device file for your disk for both the
>BSD and SYSV environments. /dev/wn0a is (according to my
>understanding of the shell script) Winchester drive, SCSI
>controller 0 (ie. the DN2500's single SCSI port), disk 0
>(ie. the SCSI unit number of the drive), logical volume 1.

Note that the system disk supplied by HP/Apollo is SCSI device 6, not
device 0, so you need the wn96a/rwn96a entries in /dev. Note also that
SR10.3 fails to build /dev/wn96a properly when you install it - it
builds /dev/w996a, which may or may not be the proper item (I have a
Hotline call open for over a month on this). I will find out the hard
way I guess when my DN2500 disk bites the big one.
Note also that the instructions on building /dev/wn96a and
/dev/rwn96a from UNIX in the DN2500 manual are utter nonsense
(the Aegis commands are correct as far as I can tell, but we don't have
Aegis so that ain't a whole lot of good).
-- 
Mike Peterson, System Administrator, U/Toronto Department of Chemistry
E-mail: system@alchemy.chem.utoronto.ca
Tel: (416) 978-7094                  Fax: (416) 978-8775