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mokkan

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OS IOPS value Vs Storage IOPS value

How do we differentiate the IOPS value from  OS to Storage. For an example I'm writing 8K block of data using dd command in linux

dd if=/dev/zero of=/opt/rg/perf/testing123 bs=8k count=30000000
245760000000 bytes (246 GB) copied, 334.014 s, 736 MB/s

IOPS value is 30000000/334= 89820

but in Storage I'm only seeing around 2000 IOPS. IF I understand correctly it converts to different block size, and then do the calculation?
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David
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mokkan

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Thank you very much. If I'm  writing to  raw device, then how do I much up IOPS value with storage? Does it need to be equal or depends on the storage and stripe size?
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No, I mean in storage side, does it convert to different stripe size and write it to disk?
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Thank you all.