Article View: comp.sys.ibm.pc.hardware.storage
Article #116Re: Is there any real performance difference between SCSI and IDE?
From: Brian Tao
Date: Sun, 22 Oct 1995 07:09
Date: Sun, 22 Oct 1995 07:09
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In article <Pine.SGI.3.91.951019221314.19568B-100000@chaos.ph.utexas.edu>, Alex Predtechensky <aap@chaos.ph.utexas.edu> wrote:
>
> Second, do not use in your tests the 8k block size. There is a linear
> degradation in performance (to zero) if this size is less than 16k -
> by some reason, drives do not like short blocks (cache problem?). The
> maximum performance happens at about 60+-2 k per block, (not 64 or
> more by unknown reason).
Don't decent drivers perform write clustering to avoid sending a
whole bunch of small write requests to the drive?
--
Brian Tao (BT300, taob@io.org)
Systems Administrator, Internex Online Inc.
"Though this be madness, yet there is method in't"
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Path: arc1-ca.pugleaf.net!io.org!nobody From: taob@ionews.io.org (Brian Tao) Newsgroups: comp.sys.ibm.pc.hardware.storage,comp.periphs.scsi Subject: Re: Is there any real performance difference between SCSI and IDE? Date: 22 Oct 1995 03:09:19 -0400 Organization: Internex Online (io.org) Data: 416-363-4151 Voice: 416-363-8676 Message-ID: <46cqmv$rbq@ionews.io.org> References: <465isk$gdb@harbinger.cc.monash.edu.au> <Pine.SGI.3.91.951019221314.19568B-100000@chaos.ph.utexas.edu> NNTP-Posting-Host: flinch.io.org