Re: Dumb question: Which is "better" SCSI or IDE disks?

david parsons (o.r.c@p.e.l.l.p.o.r.t.l.a.n.d.o.r.u.s)
7 Dec 1998 15:02:52 -0800


In article <linux.kernel.Pine.LNX.4.04.9812070215060.3437-100000@localhost>,
Christopher Smith <cbsmith@envise.com> wrote:
>On Mon, 7 Dec 1998, Leonard Zhang System Administrator ISD RVIB wrote:
>> Open server 5.0.4p, DPT RAID-1, 32 MB cache, PCI, 4.2 GB (A cable)
>>
>> copy 9,177 K in 9 seconds.
>>
>> Red hat 4.2, 8 GB IDE
>>
>> copy 9,397 K in 2 seconds.
>>
>> both run in shell script.
>And the script was???
>
>This is just a case of silly benchmarking. Do you really believe that IDE
>is 4x faster than SCSI? All those big server vendors must be idiots eh?

It's quite possible that, give equal drives, that IDE will be faster
than SCSI. But if you're trying to add more than 1 drive (2 drives
if you're running with a chipset that allows both IDE chains to run
at the same time; I guess you could add a few more with plug-in
IDE cards, but that's getting pretty sick) you're pretty much out
of luck with IDE.

____
david parsons \bi/ One motherboard, one IDE drive. It's the law.
\/

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