Date: Fri, 23 Apr 1999 00:51:33 +0100 From: Mark Ovens <marko@uk.radan.com> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Darren Pilgrim <dpilgrim@uswest.net>, "Francis Percival C. Favoreal" <dune@cats.edu.ph>, freebsd-questions@freebsd.org, freebsd-isp@freebsd.org Subject: Re: SCSI problem Message-ID: <19990423005133.B266@marder-1> In-Reply-To: <Pine.BSF.4.03.9904221136420.7869-100000@resnet.uoregon.edu>; from Doug White on Thu, Apr 22, 1999 at 11:37:07AM -0700 References: <371E6704.B6E8A560@uswest.net> <Pine.BSF.4.03.9904221136420.7869-100000@resnet.uoregon.edu>
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On Thu, Apr 22, 1999 at 11:37:07AM -0700, Doug White wrote: > On Wed, 21 Apr 1999, Darren Pilgrim wrote: > > > Mark Ovens wrote: > > <brevity snip> > > > 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
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