iostat iostat⚑ Usage⚑ Monitor all disks with extended statistics⚑ iostat -d -x 3 3 -d: Display the device utilization report. -x: Display extended statistics. 3: Interval. 3: Count. (https://serverfault.com/questions/871096/iostat-reports-significantly-different-util-and-await-for-two-identical-dis')