>If that doesn't do it for you then maybe choosing a different >scheduler then cfq can help. Something like 'deadline' may >work better for the workload. > >AFAIK ionice will only work with the cfq scheduler for now. Appreciate that info, I have just been reading about the difference but cant say I understand in real life what the difference between deadline versus cfq is. I will try changing it on the fly and running my tests. Thanks! jlc