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Date:      Mon, 17 Jun 2002 10:46:14 -0500
From:      "Schroeder, Aaron" <Aaron.Schroeder@qg.com>
To:        "'ticso@cicely.de'" <ticso@cicely.de>
Cc:        'Steven' <steven@trance.org>, 'Eduardo Damato' <damato@unesp.br>, freebsd-alpha@FreeBSD.ORG
Subject:   RE: Hard Disk not found
Message-ID:  <025596A38A894B45AFE62346A6BF47464E252C@waexch1.qgraph.com>

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What does the bootdef_dev variable contain?


-----Original Message-----
From: Bernd Walter [mailto:ticso@cicely5.cicely.de]
Sent: Friday, June 14, 2002 11:11 AM
To: Schroeder, Aaron
Cc: 'ticso@cicely.de'; 'Steven'; 'Eduardo Damato';
freebsd-alpha@FreeBSD.ORG
Subject: Re: Hard Disk not found


On Fri, Jun 14, 2002 at 10:40:56AM -0500, Schroeder, Aaron wrote:
> I haven't forgotten about you.
> 
> I have the "official" digital documentation sitting at home that describes
> in great detail as to what each of those numbers means. I will reference
> that and see what it exactly means and get back to you.
> 
> I don't want to lead you down the wrong path, but here is my initial
guess:
> 
> Your device pka0.7.1001.0 is a SCSI card on the first bus, SCSI ID 7. You
> may have to play around with it, but if you 'sho pka*' SRM will sho your
> settings of that SCSI card on your system. From there, you can modify the
> host id, the SCSI mode, and you can enable/disable soft-termination.

I know that pka is a SCSI channel, but which disk does it mean?
I don't know what the 1001 mean.
I can't show anything without entering the right password first.
The point is that I want to setup a drive which matches the already
configured (and unchangeable) bootpath.

> The same holds true with network cards. I know here, my network guys force
> all servers to 100/Full. If I 'sho ewa*' I get a ton of options to set on
> the network card, I just play with the duplexing settings rather then play
> around with ifconfig. BSD takes what the SRM gives it as far as network
card
> settings.
> 
> About the password, 'ls' on your SRM, are there any commands in there
> similar to 'clear_nvram' or 'clear_srm_rom' or 'clear_arc'? I seem to
> remember seeing that on a Alpha box that I was playing around with.

That's chicken-egg - you can't use these commands without entering the
old password first.
SRM is *very* restricted without entering the right password.
Some Documentation (for other machines) mention a mechanism using the
halt key, but that doesn't work for this box - neither seriel nor vga.

> Here is what I can remember off the top of my head about SRM devices:
> 
> 	dkaX - SCSI disk devices on the first bus, other disks on secondary
> busses are 		 dkbX, dkcX, dkdX, etc.
> 	dqaX - IDE device on the first bus, other busses are dqbX, dqcX,
> etc.
> 	dvaX - Floppy
> 	ewaX - NIC, other NICs are ewbX, ewcX, etc.
> 	pkaX - SCSI card on the first SCSI bus. Other busses are pkbX, pkcX,
> etc.
> 	pqaX - First IDE controller, other controllers are pqbX, pqcX, etc.
> 	mkaX - Tape drive

I know - but that didn't helped me setting up a drive that matches
pka0.7.1001.0.
What puzzles me is that to bootpath is configured to a controller plus
parameters instead of just e.g. dka0.

> On Thu, Jun 13, 2002 at 07:45:19AM -0500, Schroeder, Aaron wrote:
> You seem to know a bit on SRMs disk capabilities.
> Is it possible for you (or someone else on the list) to explain the
> following device path: pka0.7.0.1001.0 ?
> It's configured in an AS600 for which the SRM console password is not
> available.
> Every atempt to clear that password has been failed.
> I already thought about unsoldering the NVRAM.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de

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