Linux 4.15.0-175-generic (...) avg-cpu: %user %nice %system %iowait %steal %idle 0.12 0.00 0.08 0.04 0.00 99.76 Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd dm-0 3.72 3.84 119.71 0.00 11620452 361878532 0 loop0 0.00 0.00 0.00 0.00 5 0 0 sda 0.00 0.02 0.00 0.00 66897 100 0 sdb 0.82 0.24 11.80 0.00 718821 35669648 0 sdc 3.15 3.85 118.41 0.00 11631433 357951576 0