From owner-freebsd-questions Thu Apr 22 16:58:57 1999 Delivered-To: freebsd-questions@freebsd.org Received: from finch-post-10.mail.demon.net (finch-post-10.mail.demon.net [194.217.242.38]) by hub.freebsd.org (Postfix) with ESMTP id C90D9159D0; Thu, 22 Apr 1999 16:58:33 -0700 (PDT) (envelope-from marko@uk.radan.com) Received: from [158.152.75.22] (helo=uk.radan.com) by finch-post-10.mail.demon.net with smtp (Exim 2.12 #1) id 10aTK3-0003pa-0A; Thu, 22 Apr 1999 23:56:00 +0000 Organisation: Radan Computational Ltd., Bath, UK. Phone: +44-1225-320320 Fax: +44-1225-320311 Received: from marder-1. (rasnt-1 [193.114.228.211]) by uk.radan.com (8.6.10/8.6.10) with ESMTP id AAA00426; Fri, 23 Apr 1999 00:55:40 +0100 Received: (from marko@localhost) by marder-1. (8.9.2/8.8.8) id AAA00344; Fri, 23 Apr 1999 00:51:33 +0100 (BST) (envelope-from marko) Date: Fri, 23 Apr 1999 00:51:33 +0100 From: Mark Ovens To: Doug White Cc: Darren Pilgrim , "Francis Percival C. Favoreal" , freebsd-questions@freebsd.org, freebsd-isp@freebsd.org Subject: Re: SCSI problem Message-ID: <19990423005133.B266@marder-1> References: <371E6704.B6E8A560@uswest.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.3i In-Reply-To: ; from Doug White on Thu, Apr 22, 1999 at 11:37:07AM -0700 Organization: Total lack of Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, Apr 22, 1999 at 11:37:07AM -0700, Doug White wrote: > On Wed, 21 Apr 1999, Darren Pilgrim wrote: > > > Mark Ovens wrote: > > > > > Just a thought but this couldn't be caused by (SCSI) BIOS settings > > > could it? I only ask because I've just added a second SCSI HD to my > > > system and it exhibits similar behaviour, although it never fails to > > > start. > > > > > > The original disk is an IBM Ultrastar 2ES U/W and that spins up as > > > soon as the power is switched on but the new disk, IBM Ultrastar 9ES > > > U/W, doesn't spin up until the SCSI controller probes it (I thought > > > I'd forgotten to connect the power lead the first time I powered up > > > after installing it). > > > > > > The SCSI card is a Diamond Fireport (NCR/Symbios 53c875 chip). It > > > seems strange that one disk spins up immediately and the other waits > > > until it's probed, but since it always spins up and works without > > > problems I've never bothered investigating further. > > > > Some of the SCSI HBAs I have stage the spin-ups to avoid overloading > > the power supply. Perhaps this might be the cause? > > Some drives can be keyed this way too by pulling off the auto-spinup > jumper. We have an IBM drive that acts this way -- it's annoying! :) > So do I (see another post from me in this thread) it doesn't spin up 'til FreeBSD probes it. > Doug White > Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve > http://gladstone.uoregon.edu/~dwhite | www.freebsd.org > > -- FreeBSD - The Power To Serve http://www.freebsd.org My Webpage http://www.users.globalnet.co.uk/~markov _______________________________________________________________ Mark Ovens, CNC Apps Engineer, Radan Computational Ltd. Bath UK CAD/CAM solutions for Sheetmetal Working Industry mailto:marko@uk.radan.com http://www.radan.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message