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Article #322Re: SCSI/IDE and RAID [Was: 120 gb is the Largest hard drive I can put in my 4550?]
From: Rod Speed
Date: Sat, 06 Dec 2003 06:32
Date: Sat, 06 Dec 2003 06:32
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3076 bytes
"Codswallop" <chunkylover53@aol.com> wrote in message news:Xns94499A4758FA2codswallopcom@211.29.133.50... > On Sat, 06 Dec 2003 04:06:02 GMT, Hunter1 wrote in aus.computers: > > > Would agree with that, but wonder why you seem to think SCSI > > is a necessity??? I tend to think SCSI is over-rated, IDE > > RAID does the job without any probs and is much cheaper. > Doesn't the architecture of IDE stop more than one access at a time? Yes, but so does SCSI. With IDE you have more than one bus and those can certainly be used simultaneously. Some of the IDE RAID controllers actually have a separate ATA bus for each device. SCSI doesnt. > With SCSI you can access multiple devices simultaneously; Nope. You cant read and write on more than one device per bus. What you actually have with SCSI is the possibility of telling one drive to move to a particular track and then using the bus with another drive while it does that. > which is of huge benefit in the enterprise. It isnt as big a benefit as you might think and is nothing like whats possible with IDE with a separate bus per drive. > If IDE was as good as you say, you'd see people snapping > up IDE HDDs for enterprise use as opposed to SCSI HDDs. Plenty do just that. And plenty of just mindlessly tool along using SCSI.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10a33e,6ed78a31a4e7545b X-Google-Attributes: gid10a33e,public X-Google-Thread: 108c83,a18eb837a8bad5bc X-Google-Attributes: gid108c83,public X-Google-ArrivalTime: 2003-12-05 22:32:41 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!fu-berlin.de!uni-berlin.de!m065-139.nv.iinet.net.AU!not-for-mail From: "Rod Speed" <rod_speed@yahoo.com> Newsgroups: alt.sys.pc-clone.dell,aus.computers Subject: Re: SCSI/IDE and RAID [Was: 120 gb is the Largest hard drive I can put in my 4550?] Date: Sat, 6 Dec 2003 17:32:36 +1100 Lines: 37 Message-ID: <bqrt66$268e89$1@ID-69072.news.uni-berlin.de> References: <bo3tsvkujsuj8drknu96kghqnm1fphardi@4ax.com> <zHwzb.21159$UG2.949@nwrdny03.gnilink.net> <PYmdnfxD5JBSBFOiRVn-jA@comcast.com> <iAxzb.6666$t87.2004@nwrdny02.gnilink.net> <bqnifj$24q680$1@ID-151056.news.uni-berlin.de> <3fcfb11a$0$20185$afc38c87@news.optusnet.com.au> <bqosnq$1srbub$1@ID-69072.news.uni-berlin.de> <3fd03818$0$20395$afc38c87@news.optusnet.com.au> <3fd05749$0$31743$c30e37c6@lon-reader.news.telstra.net> <Ao_zb.34512$lF6.32183@nwrdny01.gnilink.net> <bqqq89$259644$1@ID-69072.news.uni-berlin.de> <7A6Ab.251$vg4.71@nwrdny02.gnilink.net> <bqr1mt$26iccm$1@ID-69072.news.uni-berlin.de> <%D9Ab.219$227.65@nwrdny01.gnilink.net> <m9ydnV17zsB9tEyi4p2dnA@comcast.com> <EcbAb.363$vg4.314@nwrdny02.gnilink.net> <3fd155b4$1@funnel.arach.net.au> <Xns94499A4758FA2codswallopcom@211.29.133.50> NNTP-Posting-Host: m065-139.nv.iinet.net.au (203.217.65.139) X-Trace: news.uni-berlin.de 1070692359 73677065 203.217.65.139 ([69072]) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165