Re: Benefits from computing physical IDE disk geometry?

Alan Cox
2003-04-13T23:03:04Z

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.