Here are some of the links I have for IOPS calculators on my site:
- https://techish.net/hardware/raid-iops-mbps-and-more-excel-cheat-sheet/
- https://techish.net/hardware/iops-calculator-and-raid-calculators-estimators/
Some useful information on some of the graphing I had done with SQLIO measurements
- https://techish.net/windows/sqlio-scripts-and-graphs/
- https://techish.net/windows/visualizing-sqlio-disk-benchmark-results-using-a-pivotchart/
Testing Disk IO in Linux