[/share/MD0_DATA] # dstat -tdD total,md0 30 ----system---- -dsk/total----dsk/md0-- date/time | read writ: read writ 25-02 15:06:03| 18M 2937k: 17M 2367k 25-02 15:06:33| 11M 11M:9976k 9446k ...
-t for timestamps
-d for disk statistics
-D to specify the exact devices to report
30 to average over 30 seconds. The display is updated every second, but only once per 30 seconds a new line will be started.
[/share/MD0_DATA] # iostat -x 1 extended device statistics device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b sdx 0 0 0.0 0.0 1.6 0.0 74.9 0.0 13.9 7.6 0 sda 25 124 35.5 4.9 3132.5 512.9 90.3 1.0 23.6 3.6 15 sdb 25 123 33.6 4.5 3115.8 516.4 95.4 0.4 11.7 3.6 14 sdc 25 123 35.3 5.0 3121.1 512.9 90.1 0.9 22.8 3.5 14 sdd 25 123 33.4 4.5 3109.8 510.2 95.5 0.5 12.3 3.6 14 sde 25 123 35.4 5.0 3122.5 513.0 90.1 0.9 21.6 3.0 12 sdf 25 123 33.9 4.5 3111.8 510.2 94.3 0.4 10.3 3.0 11 md9 0 0 0.1 0.0 1.5 0.1 17.9 0.0 0.0 0.0 0 md13 0 0 2.1 1.8 123.9 7.2 34.0 0.0 0.0 0.0 0 md6 0 0 0.0 0.2 0.2 0.8 4.0 0.0 0.0 0.0 0 md0 0 0 334.2 52.8 18498.3 2479.4 54.2 0.0 0.0 0.0 0 extended device statistics