Emerson TakahashiChecking I/O access in a specific disk in AIX
Posted by Emerson Takahashi on August 10, 2010
Run iostat and check the column % tm_act. For seven times, it will display the statistics every two seconds
root@aix5:/ # iostat -d hdisk2 2 7
System configuration: lcpu=6 disk=4
Disks: % tm_act Kbps tps Kb_read Kb_wrtn
hdisk2 85.2 3453.1 303.8 37734456 8731944
hdisk2 51.0 610.0 84.5 796 424
hdisk2 34.5 288.0 45.5 436 140
hdisk2 39.5 452.0 63.5 692 212
hdisk2 61.5 380.0 66.0 480 280
hdisk2 48.5 542.0 66.5 596 488
hdisk2 47.0 590.0 80.0 1020 160
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