Linux 4.9.124-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 2.85 0.05 1.09 0.54 0.00 95.47 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 36.60 2295.45 238.84 1229373 127913 sdb 1.37 53.43 0.00 28613 0 sdc 1.48 20.03 1.76 10725 944 sdd 0.25 4.53 0.00 2428 0