DiskIO agent is reporting 100% utilization
iostat shows no such event
How do we gather these statistics?
The metric basically records how much time the disk(s) spent reading and writing during the sample period. If the utilization is 100% this means that the disk was either reading or writing during the entire sample period. iostat will display this with the -x parameter.
To most closely approximate the data collection done by the agent, run iostat like this:
# iostat -x -d 300
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