Linux 4.9.95-nrj-desktop-2rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 11.65 0.04 2.02 0.43 0.00 85.86 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 3.43 35.02 163.73 1695733 7928184 sdb 0.01 0.77 0.00 37415 0 sdc 0.15 9.09 0.00 440284 0