Yea, it is a great paper. It is an HTML version of the SCSI PDF I
mentioned a few weeks ago:
http://www.seagate.com/content/docs/pdf/whitepaper/D2c_More_than_Interface_ATA_vs_SCSI_042003.pdf
Someone had mentioned it on the lists a few months ago but I only read
it recently and resuggested it. One problem with the web version is
that the images didn't transfer very clearly. I mention it in my
hardware performance tuning paper.
---------------------------------------------------------------------------
Tom Lane wrote:
> I'm not sure whether this article has been mentioned here before, but
> it definitely is worth a read:
>
> http://www.usenix.org/events/fast03/tech/full_papers/anderson/anderson_html/
>
> >From the proceedings of the FAST '03 conference:
>
> More than an interface - SCSI vs. ATA Dave Anderson, Jim Dykes,
> Erik Riedel Seagate Research
>
> Abstract:
>
> This paper sets out to clear up a misconception prominent in the storage
> community today, that SCSI disc drives and IDE (ATA) disc drives are
> the same technology internally, and differ only in their external
> interface and in their suggested retail price. ... This paper attempts
> to clarify the differences by illuminating some of these design choices
> and their consequences on final device characteristics.
>
> regards, tom lane
>
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--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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