Re: Benefits from computing physical IDE disk geometry?

Wes Felter
2003-04-14T18:18:30Z

On Sat, 2003-04-12 at 17:46, Timothy Miller wrote:

> So, what if one were to write a program which would perform a bunch of
> seek-time tests to estimate an IDE disk's physical geometry? It could then
> make that information available to the kernel to use to reorder accesses
> more optimally.

Greg Ganger et al. have done some recent work in this area:

http://www.pdl.cmu.edu/PDL-FTP/stray/freeblocks_abs.html
http://www.pdl.cmu.edu/PDL-FTP/stray/traxtent_abs.html

--
Wes Felter - wesley@felter.org - http://felter.org/wesley/