Date: Mon, 20 Oct 1997 23:25:54 -0400 (EDT) From: "Matthew N. Dodd" <winter@jurai.net> To: dkelly@hiwaay.net Cc: Joe McGuckin <joe@via.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: 2.2.2-RELEASE '875 SCSI won't negotiage Message-ID: <Pine.BSF.3.95q.971020232218.18189C-100000@sasami.jurai.net> In-Reply-To: <199710210124.UAA14405@nospam.hiwaay.net>
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On Mon, 20 Oct 1997 dkelly@hiwaay.net wrote: > It really bugged me that my UW HD on PentiumPro was being beat by a P-133 > with narrow SCSI. Then I began to wonder if there was a difference between > inner and outer tracks. This fs starts about 200M past block 0, while the > above (up 2, the IBM) starts 2.4G from the end of the disk: Which is why you buy the largest, fastest drives available and short stroke them when you want a really fast RAID system. 10k RPM drives are nice but the track to track seek delay is still a large factor in performance. Ideally I'd have an array of 100s of disk, each using only the outer track. In a RAID 0/1 set, this would be really fast. :) /* Matthew N. Dodd | A memory retaining a love you had for life winter@jurai.net | As cruel as it seems nothing ever seems to http://www.jurai.net/~winter | go right - FLA M 3.1:53 */
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