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Why iostat Shows Unexpected Statistics? (Doc ID 2245560.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Symptoms

The active path group has 4 paths, the IO throughputs should be balanced evenly on all the 4 paths, but iostat shows difference.

Only the first report of iostat shows difference, when monitor iostat continuously, the IO throughputs are balanced very well.

Cause

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