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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!convex!constellation!osuunx.ucc.okstate.edu!vms.ucc.okstate.edu!v923137
- From: v923137@vms.ucc.okstate.edu
- Subject: Re: Fast hard drives - seek isn't everything.
- Message-ID: <1992Dec20.214100.1@vms.ucc.okstate.edu>
- Lines: 90
- Sender: news@osuunx.ucc.okstate.edu (USENET News System)
- Nntp-Posting-Host: vms.ucc.okstate.edu
- Organization: Oklahoma State University Computer Center
- References: <BzGu6r.811@sunnup.MAGDATA.COM>
- Date: Mon, 21 Dec 1992 03:41:00 GMT
-
- In article <BzGu6r.811@sunnup.MAGDATA.COM>, beemer@sunnup.MAGDATA.COM (Oscar the Grouch) writes:
- > In article <1992Dec17.092641.24824@doug.cae.wisc.edu> keiths@cae.wisc.edu (Keith Scidmore) writes:
- >>
- >>I asked Hard Drives Intl for their fastest IDE drive (thinking I would
- >>let Zeos keep the Seagate 3283A 245MB drive that came with my system
- >>and upgrade immediately).
- >>HDI sent me a $1000 FJ2624A 510MB Fujitsu IDE drive.x
-
- Perhaps you should have defined *fastest*. Fastest seek time? Fastest transfer
- rate? Fastest average of the two?
-
- > So they sent you what you asked for the disk with the fastest published specs.
- >
- >>It turned out to be slower than the Seagate on
- >>all the benchmarks and programs I tested even though it had about
- >>an 8 ms seek time to the Seagate's 11 ms. The following explains
- >>how this was determined and why the Seagate was faster on both
- >>the benchmarks and on real programs.
- >>
- >>I started by testing the drives using PCTools, Norton Utilities,
- >>Checkit, and Core. They all showed that the 245MB was *much* faster on
- >>transfers but slower on average seeks. Thinking that the larger buffer on
- >> [ stuff deleted about testing procedure]
- >>
- >>Results:
- >>
- >>The Seagate was 10-20% faster than the Fujitsu on all my program test. The
- >>reason is that the Fujitsu drive was about 18% faster on seek times but the
- >>Seagate was about 50% faster in transferring the data. I returned the
- >>Fujitsu to HDI.
- >>
- >>There were two things I learned.
- >
- > So who paid for your learning experience. Sounds like HDI did.
-
- Sounds like you should have considered data throughput before purchasing a
- new hard drive.
-
- >>First, transfer speed is significant in
- >>choosing a drive. The Fujitsu's 8 ms average seek time (measured) didn't
- >>make it faster.
-
- You said it had faster seek time. Do you mean it was less efficient in
- transferring data? Sounds like thats what you're talking about.
- >>
- >>Second, HDI doesn't always know what they are talking about.
- >
- > What they told you was what you asked for the published stats.
-
- That's right. You should have asked the right questions to start with.
-
- >>They were inaccurate in telling me the stats of both drives. My tests
- >>showed that the Seagate Drive on my Zeos 486-66 VLB machine ran faster
- >>in transferring data than HDI said it *could* by 50%. This was true even
- >>on the Core benchmark that they suggested I use. Unless you have a
- >>really fragmented disk I think the Seagate is the better bet.
-
- Well, the larger cache on the Seagate probably had something to do with it,
- but like I said, you should have considered the data-transfer rate before
- buying the drive.
-
- >>The bad news is that the Seagate drive is in such demand that HDI can't
- >>get them. I'll just have to live with the one 245MB that came with my
- >>Zeos system for now.
- > So let me guess, after installing the disk, beating hell out of it with
- > your testing program, and using it for some unmentioned period of time
- > you returned it for a full refund. Not; because the drive was defective.
- > Not because it did not meet the published specs. but because it did not
- > live up to your expectations. Now that it has been returned what do you
- > expect HDI to do with it. They can no longer sell it as a new drive, that
- > would be unethical. They could probably sell it as a used drive but that
- > is not their business. So what they do is take a loss on the drive and dump
- > it through a broker. This loss gets distributed across the product line as
- > a price increase, and we all pay more for components in the future. I for
- > one am unwilling to finance your education. I work for a Disk company and
- > get tired of seeing this happen time and again. We have plenty of the Seagate
- > 245s in stock but would not offer one to you. You would probably beat hell
- > out of it and then send it back because you did not like the color. I am
- > sure you would not appreciate someone doing this to something you sold them
- > but you seem to feel you have some special privledge that makes it ok for
- > you to do this. I cannot understand this kind of attitude.
-
- AMEN!
-
-
- >>
- >>Keith R. Scidmore
- > Tom Neveras
- -Jason Worley
-
-