Date: Sat, 06 Sep 1997 23:46:32 -0700 From: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> To: dyson@freebsd.org Cc: sos@sos.freebsd.dk, mal@algonet.se, current@freebsd.org Subject: Re: lousy disk perf. under cpu load (was IDE vs SCSI) Message-ID: <199709070646.XAA05492@MindBender.serv.net> In-Reply-To: Your message of Sun, 07 Sep 97 00:12:32 -0500. <199709070512.AAA00465@dyson.iquest.net>
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>Michael L. VanLoon -- HeadCandy.com said:
>> Why is it necessary to bring this up over and over again.
>Because I think that people sometimes think that the world changes
>from time to time. SCSI is really great in large high-end systems
>for sure. EIDE isn't the joke that IDE was 4-5yrs ago though.
Point taken. EIDE is vastly better than it was several years ago.
And how many people have shown, individual EIDE drives can be quite
fast on simple tests.
On the other hand, SCSI hasn't been sitting still, either. And, as
always, it's possible to buy SCSI components that will out-perform the
best EIDE systems, possibly by a lot, depending on the setup.
Generally, the top-end of SCSI is a bit higher than the top-end of
EIDE (i. e. bigger 10000 and 7200 RPM SCSI drives, vs. 5400 RPM EIDE
drives). This is ignoring the gains the SCSI "protocol" on the wire
gives over the EIDE/ATAPI "protocol". This was the point I was trying
to make. :-)
However, once again, for small systems, you might not see a big
difference.
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Michael L. VanLoon michaelv@MindBender.serv.net
Contract software development for Windows NT, Windows 95 and Unix.
Windows NT and Unix server development in C++ and C.
--< Free your mind and your machine -- NetBSD free un*x >--
NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32...
NetBSD ports in progress: PICA, others...
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