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Date:      Mon, 08 Apr 2002 22:42:24 +0000
From:      andrea <andrea@practive.org>
To:        freebsd-questions@freebsd.org
Subject:   Troubles with Advansys controller.
Message-ID:  <3CB21CD0.BE2632B1@practive.org>

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Hi All!

I'm trying to build up a redundant architecture based upon FreeBSD.
So i bought a diskarray with room for 8 SCSI disks (SCA) and a couple of
PCs with  LVD SCSI controller (ASB3940U2W-00).
I installed FreeBSD4.5 on both the PCs and connected the diskarray
trough a external SCSI3 (68pin) cable.
But ,as soon as i boot up the first PC, the kernel stopped at the very
beginning of SCSI scan ,and after a while ,it comes up with the
following message:

(probe0:adw0:0:8:0) ACB 0xcb781074 - timed out

and few minutes after that it panic.

No disk were probed at all.

I tried with many configuration even with a single disk on the array
,but without results.

Any clue about this?

Is it possible that the problem is somewhat cabling-related?


+----------------------+
|                      |  
| +---+  +---+  +---+  |
| | 1 |  | 2 |  | 3 |  |
| |   |  |   |  |   |  | <--SCSI DRIVES                               
| ++-++  ++-++  ++-++  |
|  | |    | |    | |   |
|  | +----+ +----+ |   |
|  |               |   | <--LVD CABLES
|  +---------+     |   |
|            |     |   |
+------------|-----+---+
               <---|---------SCSI SE terminator or second PC...
	           |     <-- 68 Pin SCSI3 External Cable
		   |    
+------------------+----+
|  FreeBSD + ASB3940U2W |
+-----------------------+



Bye!

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