Date: Tue, 04 Feb 97 10:16:35 PST From: Brett_Glass@infoworld.com To: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net>, msmith@atrad.adelaide.edu.au Cc: hardware@freebsd.org Subject: Re: 2G SCSI disks? Message-ID: <9701048550.AA855078939@ccgate.infoworld.com>
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> ... "close to the performance of an Ultra-SCSI disk" only if you don't > have any concurrency! There IS a difference. There are a number of other drawbacks as well: electrically, IDE is on the bleeding edge of being unreliable. And the market is so cost-competitive that manufacturers cut corners. Finally, FreeBSD's IDE drivers slow the system by busy-waiting in the kernel. However, if you have a smart controller or disk system, concurrency isn't a big deal; it's handled elsewhere. --Brett
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