How do you determine blade HDD 300GB 10K I/O Operations/second?

[chuckk281]

Ehab had a customer HDD performance question:

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I have an enquiry from one of my customers appreciate helping me to get an answer

How many IOPS can be achieved from a 300GB 10K HDD in a mirror state on G7 blade?
Usually 10K RPM disks.

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Shigeru had some good advice:

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IOPS and MB/s are depend on many factors… The whitepaper below would be your help.

http://h20000.www2.hp.com/bc/docs/support/SupportManual/c02249094/c02249094.pdf

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How do you determine and measure HDD performance? Especially with solid-state drives becoming more prevelent.