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From: kenny_leung@mts.ucs.ualberta.ca
Newsgroups: comp.sys.next
Subject: Re: Check your /usr/adm/messages file for SCSI errors
Message-ID: <1991Jun4.184011.23432@cs.UAlberta.CA>
Date: 4 Jun 91 18:40:11 GMT
References: <1991Jun4.172604.17856@bitnerd.uucp>
Sender: news@cs.UAlberta.CA (News Administrator)
Organization: University of Alberta, Edmonton, Canada
Lines: 45

In article <1991Jun4.172604.17856@bitnerd.uucp> juan@bitnerd writes:
> I would like to know if other NeXT cube owners are seeing SCSI errors as a  
> result of attaching external SCSI devices.  I have found that my system gets  
> intermittent SCSI errors when I attach an external PLI floppy (I do have the  
> floppy properly terminated, and I'm using a high quality SCSI cable).
> 
> The errors are recorded in the file: /usr/adm/messages, but errors in this  
file  
> are not normally reported to the user, so most users would never be aware of  
a  
> problem.  In my system, I get the following error about once a day when I've  
> got the PLI connected:
> 
> May 13 15:14:24 bitnerd mach: sd0 (1,0): ERROR op:0x2a sd_state:4 scsi  
> status:0x0
> May 13 15:14:24 bitnerd mach: sd0 (1,0): sense key:0xb  additional sense  
> code:0x47
> May 13 15:14:24 bitnerd mach:     SCSI Block in error = 0 (front porch)
> 
> To check your file for errors, use the workspace manager to get to the  
> directory /usr/adm.  Then double click on the "messages" file to edit the  
file  
> in which the errors are reported.  Look for any error messages that include  
the  
> keyword SCSI.
> 
> If you find that you have errors, I would appreciate hearing from you.   
Please  
> send me Email with:
> 
> 1) Type of system, i.e. cube/station, 68030/68040,
> 2) Type of SCSI device attached, i.e. PLI, exabyte, disk,
> 3) the error lines from your /usr/adm/messages file.
> 
> If there is a pattern, I will post a follow up article.
> --
> Juan Pineda
> juan@apple.com
> -- 
> Juan Pineda

Are you turning off the machine and all the other SCSI devices before you  
attach other ones?  That might do it.

kenny_leung@mts.ucs.ualberta.ca