i think there are examples in this paper
Hi,  I need to calculate how many IOPS one datastore can provide. Do you have white paper or formula to find that? My model CX4-480 Mix of Disque:15K 300Gb 2/4Gb and 15K 600Gb 2/4Gb Lun: 850 Go Raid 5  Thank you 
what is best way to calculate how many IOPS per LUN? (CX4-480 model)