Date: Wed, 21 Apr 1999 11:14:13 -0400 From: Barry Lustig <barry@lustig.com> To: Wilko Bulte <wilko@yedi.iaf.nl> Cc: sthaug@nethelp.no, stable@FreeBSD.ORG, scsi@FreeBSD.ORG Subject: Re: SCSI Failure during Amanda Backup (Unexpected busfree) Message-ID: <19990421151414.4679.qmail@devious.lustig.com> In-Reply-To: <199904202220.AAA07016@yedi.iaf.nl> References: <199904202220.AAA07016@yedi.iaf.nl>
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I've gone ahead and added a second SCSI bus to system, just for the DLT. I'll see if that clears up the problem. barry On Wed, 21 Apr 1999, Wilko Bulte wrote: > As Barry Lustig wrote ... > What is odd is that it used to work. The errors only started on 4/3. Were > there any CAM changes around that time that might have this effect? > > barry > > No that I know, Ken or Justin might be able to give you better info. > > But anything that (for example) makes things go faster on the bus > could trigger problems. This is what debugging SCSI problems makes > so interesting :/ > > That is also the reason for my suggestion to play around a bit with the > SCSI config. > > On Tue, 20 Apr 1999, Wilko Bulte wrote: > As sthaug@nethelp.no wrote ... > I am using all 3 SCSI connectors on the motherboard. The 50 pin connector > > Wrong. This is one SCSI bus as far as I can see. SCSI buses are linear > things, not star shaped. And they have only 2 terminators, each on every > end of the bus. > > What you may be missing here is that the ASUS P2B-DS has the Adaptec > AIC 3860 bridge (as an option), which gives you an electrically isolated > single-ended bus. So in this case, it should be possible to use all three > connectors. > > Right, that definitely makes a difference. I don't know all the Asus > boards ;-) > > For troubleshooting I still like to suggest to go back to as simple > a SCSI config as possible. > > Groeten / Cheers, > Wilko > > Groeten / Cheers, > Wilko > _ ______________________________________________________________________ | > / o / / _ Arnhem, The Netherlands |/|/ / / /( (_) Bulte WWW : > <http://www.tcja.nl _______________________ Powered by FreeBSD ___ > <http://www.freebsd.org _____ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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