How to check disk I/O wait in Flowmon OS
Information
| Summary: |
One of the metrics that could be used to verify disk load is a percentage of I/O wait (%iowait). Percentage of time that the CPU or CPUs were idle during which the system had an outstanding disk I/O request. |
| Environment: |
Product: Flowmon OS Version: Any Platform: Any |
| Question/Problem Description: |
How can the disk load be analyzed? |
| Steps to Reproduce: | |
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| Cause: | |
| Resolution: |
The percentage of I/O wait can be seen with "top" (real-time value) or with "sar" (values reported every 10 minutes) There is no OID representing %iowait. The percentage of I/O wait should be below 1-2 in the long term. |
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