Re: Benefits from computing physical IDE disk geometry?

Alan Cox (alan@lxorguk.ukuu.org.uk)
13 Apr 2003 23:15:57 +0100

On Sul, 2003-04-13 at 19:03, Chuck Ebbert wrote:
> OTOH you can come up with scenarios like, say, a DBMS doing 16K page
> aligned IO to raw devices where you might see big gains from making sure
> those 16K chunks didn't cross a physical cylinder boundary.

You couldn't even tell where such boundaries exist, or what the real
block size of the underlying media is. Cyliners are all different sizes.

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