Linux 4.9.124-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 5.55 0.16 2.46 18.61 0.00 73.23 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 0.37 8.38 0.00 3858 0 sdb 56.70 1343.11 143.98 618019 66252 sdc 0.20 3.73 0.00 1717 0 md126 0.20 6.77 0.00 3116 0