Monday, October 13, 2008

IOPs & MB/s

Here are two simple formulae to calculate disk subsystem throughput in IOPs and MB/sec

IOPs = [ 1000 / (Average_Latency + Average_Seek_Time ) ]

MB⁄sec = IOPs × ALLOCATION_UNIT_SIZE_IN_MB
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2 comments:

Eric said...
This comment has been removed by the author.
June 19, 2009 at 12:41 PM
Eric said...

The iops calculation assumes latency in ms, correct?

June 19, 2009 at 12:42 PM

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