Date: Fri, 31 May 1996 11:55:46 +0200 (MET DST) From: grog@lemis.de (Greg Lehey) To: leisner@sdsp.mc.xerox.com (Marty Leisner) Cc: questions@FreeBSD.org (FreeBSD Questions) Subject: Re: IDE or SCSI for home system? Message-ID: <199605310955.LAA25854@allegro.lemis.de> In-Reply-To: <9605302135.AA28957@gnu.mc.xerox.com> from "Marty Leisner" at May 30, 96 02:35:09 pm
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Marty Leisner writes:
>
>> Hi-
>>
>> Yes...I understand that SCSI drives would give me better performance, but...at
>
> It depends...
>
> I got a seagate hawk 4gigabyte on an adaptec 1522 and a seagate IDE (I think)
> on a
> PB 100 Mhz pentium...
>
> I get about 3.5 Mbytes/second on the IDE, 1.5 Mbytes/second on the hawk...
There are a couple of points to consider here:
1. The 1522 is a low-performance board. It doesn't have much
advantage over IDE.
2. On a UNIX box, you do many things at the same time. File transfer
speed isn't as important as it is on a simple system like DOS: you
should also consider what you do in between data transfers.
For a better example, try running two disk and CPU intensive programs
at the same time, or time a copy from one disk to another, preferably
while accessing a third disk at the same time (OK, you'll need 2 IDE
controllers for that, but that's OK).
Greg
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