Linux 3.10.0-1062.el7.x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 0.33 0.00 0.22 0.06 0.00 99.39 Device tps kB_read/s kB_wrtn/s kB_dscd/s kB_read kB_wrtn kB_dscd dm-0 13.08 1.53 64.24 0.00 4624773 194203099 0 dm-1 0.00 0.00 0.00 0.00 3244 0 0 dm-2 0.10 0.03 19.23 0.00 87913 58136255 0 sda 0.18 3.08 0.00 0.00 9312020 0 0 sdb 0.20 0.04 10.12 0.00 122768 30589288 0 sdc 13.22 1.59 83.54 0.00 4808868 252536249 0