From owner-freebsd-questions@FreeBSD.ORG Fri Sep 24 15:55:40 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B47D616A5DE for ; Fri, 24 Sep 2004 15:55:38 +0000 (GMT) Received: from post5.inre.asu.edu (post5.inre.asu.edu [129.219.110.120]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8660C43D45 for ; Fri, 24 Sep 2004 15:55:38 +0000 (GMT) (envelope-from David.Bear@asu.edu) Received: from conversion.post5.inre.asu.edu by asu.edu (PMDF V6.1-1X6 #30769) id <0I4J00D01YO9SY@asu.edu> for freebsd-questions@freebsd.org; Fri, 24 Sep 2004 08:50:33 -0700 (MST) Received: from smtp.asu.edu (smtp.asu.edu [129.219.110.107]) <0I4J00D5EYO9FU@asu.edu>; Fri, 24 Sep 2004 08:50:33 -0700 (MST) Received: from moroni.pp.asu.edu (moroni.pp.asu.edu [129.219.69.200]) (8.12.10/8.12.10/asu_smtp_relay,nullclient,tcp_wrapped) with ESMTP id i8OFoW71018242; Fri, 24 Sep 2004 08:50:32 -0700 (MST) Received: by moroni.pp.asu.edu (Postfix, from userid 500) id 7D38EF61; Fri, 24 Sep 2004 08:49:19 -0700 (MST) Received: from post1.inre.asu.edu (post1.inre.asu.edu [129.219.110.72]) by moroni.pp.asu.edu (8.11.6/8.11.6) with ESMTP id h4S4i3921778 for ; Tue, 27 May 2003 21:44:04 -0700 Received: from conversion.post1.inre.asu.edu by asu.edu (PMDF V6.1 #40110) id <0HFK00101YHGM0@asu.edu> for iddwb@moroni.pp.asu.edu (ORCPT David.Bear@asu.edu); Tue, 27 May 2003 21:44:04 -0700 (MST) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by asu.edu (PMDF V6.1 #40110) with ESMTP id <0HFK00LIDYHFT9@asu.edu> for iddwb@moroni.pp.asu.edu (ORCPT David.Bear@asu.edu); Tue, 27 May 2003 21:44:04 -0700 (MST) Received: (from dan@localhost) by dan.emsphone.com (8.12.9/8.12.9) id h4S4hnRS058595; Tue, 27 May 2003 23:43:49 -0500 (CDT envelope-from dan) From: Dan Nelson In-reply-to: <20030527211248.I18191@asu.edu> To: dwbear75@gmail.com Message-id: <20030528044348.GC53505@dan.emsphone.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-disposition: inline Old-To: David Bear User-Agent: Mutt/1.5.4i X-OS: FreeBSD 5.1-BETA X-message-flag: Outlook Error X-Spambayes-Classification: ham; 0.00 Lines: 33 References: <20030527211248.I18191@asu.edu> cc: freebsd-questions@freebsd.org Subject: Re: scsi tape curiousity X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Fri, 24 Sep 2004 15:55:41 -0000 X-Original-Date: Tue, 27 May 2003 23:43:48 -0500 X-List-Received-Date: Fri, 24 Sep 2004 15:55:41 -0000 In the last episode (May 27), David Bear said: > Now the question is, when I upgraded my second server, I had to change > scsi hardware to an adaptec 29160 as my older buslogix/mylex card was > not supported under freebsd. I had to go with a wide scsi controller > becuase my tape unit is an external device that requires wide scsi. > After all the hardware was ready, and FBSD was installed, I went to > restore my home directories that were on tape. My tape unit behaved > poorly and soon I started to get many strange errors from the kernel. > > The last message I caught was > spec_getpages:(#da/0x20000) I/O read failure (error-6) bp 0xc68321bc > vo 0xcd379ec0 > > after that the system becomes unreadable. > > I called the cybernetics people (maker of the tape unit) and their > recommendation was to put the tape unit on a separate scsi controller > from the hard drives. I didn't want to do this since but did anyway. > It seems to have fixed the problem. I can now use the tape unit. The > question is > > 1) my first FSBD 4.3 system works perfectly find with a single scsi > card and all devices attached to it (though it is a different) model > tape unit. Why would my second system barf when set up that way. Most likely bad termination. Make sure all the cables are seated well, make sure you're got active terminators, and make sure that if all your devices are LVD, you have LVD terminators. -- Dan Nelson dnelson@allantgroup.com