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From: wyatt@cfa.UUCP
Newsgroups: comp.periphs,comp.unix.wizards
Subject: Ultrix 2.0 and Emulex QD21 PROBLEMS
Message-ID: <689@cfa.cfa.harvard.EDU>
Date: Thu, 24-Sep-87 22:53:58 EDT
Article-I.D.: cfa.689
Posted: Thu Sep 24 22:53:58 1987
Date-Received: Sat, 26-Sep-87 14:46:23 EDT
Organization: Harvard-Smithsonian Ctr. for Astrophysics
Lines: 41
Xref: utgpu comp.periphs:531 comp.unix.wizards:4152

I've been bitten by an apparent incompatibility between Ultrix 2.0 and
the Emulex QD21 (with a Maxtor 4380) drive subsystem. I just got through
installing 2.0 on one of our uVax II/GPX's, and it doesn't see the drive
at boot time (it does see the controller). I's like to find out what
others know about this.

To convince myself we hadn't damaged something, I (painfully) went back and
restored the 1.2 system on /dev/ra0a, and it booted beautifully.

SOOOO, I remember a discussion several weeks back by Doug Wilson
(dcw@ecsvax.UUCP) and Chris Torek (chris@mimsy.UUCP) about the 2.0 ra
driver expecting a different `media ID' from the 1.2 one. This must be
my problem, but the investigation I did at the time (calling Emulex,
sending them copies of the USENET articles) elicited the response
`it'll be OK'.  Apparently, it's not! 

I vaguely remember from the times I formatted the Maxtors, that the 
QD21 does respond as if the drive is an RA81, i.e. it sends back
`DU RA81' or something, to the `get status' inquiry. Maybe this isn't
what it's really responding to the probe routine? 

I'm writing this late at night; I'm calling Emulex in the morning,
first thing, but I wanted to see if anyone on the net has ideas. We have
2.0 source (although not yet dumped to disk), so modifications are
possible. 

HELP!

Bill    UUCP:  {seismo|ihnp4}!harvard!cfa!wyatt
Wyatt   ARPA:  wyatt@cfa.harvard.edu
         (or)  wyatt%cfa@harvard.harvard.edu
      BITNET:  wyatt@cfa2
        SPAN:  17410::wyatt   (this will change, sometime)

-- 

Bill    UUCP:  {seismo|ihnp4}!harvard!cfa!wyatt
Wyatt   ARPA:  wyatt@cfa.harvard.edu
         (or)  wyatt%cfa@harvard.harvard.edu
      BITNET:  wyatt@cfa2
        SPAN:  17410::wyatt   (this will change, sometime)