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Date:      Thu, 22 Apr 1999 18:55:17 -0700 (PDT)
From:      Alex Zepeda <garbanzo@hooked.net>
To:        Chris Piazza <cpiazza@home.net>
Cc:        Andrew Heybey <ath@niksun.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: SMP nerd toy report
Message-ID:  <Pine.BSF.4.05.9904221852040.2018-100000@zippy.dyn.ml.org>
In-Reply-To: <XFMail.990422141801.cpiazza@home.net>

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On Thu, 22 Apr 1999, Chris Piazza wrote:

> Understood, I use a single 5400 RPM UDMA Ide disk with the new ATA drivers -
> /usr/obj and /usr/src are on the same partition.  I'm *extremely* pleased with
> this system as my P166 took over 4 hours(!).  I'd be interested in seeing what
> a difference SCSI over IDE has in a buildworld.

I doubt that the question is SCSI v. IDE.  I know with my P166, I had
horribly cheap "fast" narrow Quantum drives (3.2gb and 640mb)  hooked to
an aic7880, and with the PII/450, I've got a 13gb IDE (UDMA2)drive.  rm
-rf of /usr/obj runs much quicker with the UDMA drive...

Sure top-of-the-line SCSI drives probably max out at faster speeds than
the top-of-the-line IDE drives, but I imagine with softupdates and
separate IDE busses, one could create a non diskbound PII (under
buildworld conditions).

- alex



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