From owner-freebsd-scsi Wed Sep 30 21:31:08 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id VAA07969 for freebsd-scsi-outgoing; Wed, 30 Sep 1998 21:31:08 -0700 (PDT) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from peak.mountin.net (peak.mountin.net [207.227.119.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id VAA07964; Wed, 30 Sep 1998 21:31:06 -0700 (PDT) (envelope-from jeff-ml@mountin.net) Received: (from daemon@localhost) by peak.mountin.net (8.9.1/8.9.1) id XAA21604; Wed, 30 Sep 1998 23:30:34 -0500 (CDT) Received: from harkol-125.isdn.mke.execpc.com(169.207.64.253) by peak.mountin.net via smap (V1.3) id sma021602; Wed Sep 30 23:30:23 1998 Message-Id: <3.0.3.32.19980930232853.00712a74@207.227.119.2> X-Sender: jeff-ml@207.227.119.2 X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.3 (32) Date: Wed, 30 Sep 1998 23:28:53 -0500 To: ulf@Alameda.net, Mike Smith , "Dag-Erling C. =?iso-8859-1?Q?Sm=F8rgrav?=" From: "Jeffrey J. Mountin" Subject: Re: ahc & CAM: strange diagnostic Cc: Ollivier Robert , current@FreeBSD.ORG, scsi@FreeBSD.ORG In-Reply-To: <19980930170853.A26485@Alameda.net> References: <199809302231.PAA03681@dingo.cdrom.com> <199809302231.PAA03681@dingo.cdrom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org At 05:08 PM 9/30/98 -0700, Ulf Zimmermann wrote: >On Wed, Sep 30, 1998 at 03:31:08PM -0700, Mike Smith wrote: >> > One more argument in favor of IBM disks is that they reputedly run >> > cooler and quieter than Quantum or Seagate disks. >> >> I can't speak for the 7200 and 10000rpm IBM disks, as I have never been >> able to source them when I've been considering them. I can say that >> IBM go to considerable lengths to make their cooling data available >> (see the product pages for their drives), and they do appear to be >> comparable if not somewhat better than the competition. >> >> OTOH, we have been running a 9GB Seagate Cheetah in Freefall holding >> the CVS repository, and despite being far and away the busiest disk in >> the system it has kept its cool quite well. > >I just replaced a Barracuda 9GB disk with an IBM 18G and the drive >is very much cooler. I will put some IBM 10K 9G in later tonight. Cooler is good, but what about long term reliability? UIUC either had a string of bad drives or perhaps the quality has improved with IBM. Noisy drives bother me and get me thinking about thermodynamics. Jeff Mountin - Unix Systems TCP/IP networking jeff@mountin.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message