On 1/5/07, Matt <lm7812 at gmail.com> wrote: > Can anyone explain how the disk elevator works and if there is anyway > to tweak it? I have an email server which likely has a large number > of read and write requests and was wandering if there was anyway to > improve performance. Reasonably decent writeup. Gives a good overview, but I'm not sure how much detail you'd like. http://www.redhat.com/magazine/008jun05/features/schedulers/ -- During times of universal deceit, telling the truth becomes a revolutionary act. George Orwell