Linux 4.19.79-1.el7.x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 1.46 0.00 0.21 0.03 0.00 98.31 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 17.53 604.57 194.33 1548166 497648 sdb 0.10 2.86 0.00 7328 0 dm-0 19.68 534.26 175.32 1368129 448952 dm-1 0.04 0.90 0.00 2296 0 dm-2 1.80 20.01 20.13 51245 51552 sdd 0.11 1.62 1.15 4146 2942