Linux 4.9.155-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 12.94 0.06 7.74 14.93 0.00 64.33 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 0.93 20.81 0.02 4506 4 sdb 129.83 3693.04 130.03 799655 28156 sdc 2.68 45.07 0.22 9759 48