*BSD News Article 94617


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From: Terry Kennedy <terry@spcuna.spc.edu>
Subject: Re: SCSI channel lock-up woes
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Date: Mon, 28 Apr 1997 18:00:51 GMT
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Paul Mazza <pmazza@naccess.net> writes:
> I am experiencing a problem when attempting to back up my BSDI 2.1 box.
>
> Here is the configuration:
> 	BSDI 2.1 OS with all recent patches running on a:
> 	Pentium P166 w/64MB DRAM and an Adaptec AHA-2940 SCSI cntrllr
> 	connected to a Seagate Barracuda ST32550N 2GB drive and an HP
> 	4mm DAT Drive (DDS-II).

  What is the firmware revision on the Barracuda (this displays as part of
the system boot info if you've got the verbose flag on, or you can get it
from /var/db/dmesg.boot)? 0021 or 0022 are current (depending on the drive
variant).

  Also, are you sure you have good SCSI cables and proper active termination?
There are a lot of substandard SCSI cables out there.

	Terry Kennedy		  Operations Manager, Academic Computing
	terry@spcvxa.spc.edu	  St. Peter's College, Jersey City, NJ USA
        +1 201 915 9381 (voice)   +1 201 435-3662 (FAX)