Re: r/w speed inner vs outer tracks

[Theo de Raadt <deraadt@cvs.openbsd.org>]

Please note that how pronounced this effect is, varies drive model to
drive model.  I have seen drives that are 3x as fast at the start, and
others that are only about 10% faster.

> http://apollo.backplane.com/FreeBSD/tuning.html
> says data transfer from outer tracks is more quick than from inner
> ones -- however, two members from our tech stuff say that it is more
> quick from inner track sthan from the outer ones.
> 
> So,which is more quick: r/w from inner tracks or from outer tracks ? 
> Or is this neglectable in (about 30 to 90 minutes) cpu intensive 
> computations [i.e. (re-) sortings of indices and elements' values in 
> large matrices] ?