Sergio Belkin wrote: > I've found a great tool called pidstat which is able to report I/O > disks statistic. But, it's only for kernels 2.6.20 and later only, is > there any tool for Centos xen kernel? You need kernel level support for such tools, which isnt present in 2.6.18 and noone has ported ( afaik ) these bits back to 2.6.18 -- Karanbir Singh : http://www.karan.org/ : 2522219 at icq