Define IOPS

[Edward143]

What is IOPS in Storage system.

[IBaltay]

Hi,
IOPS (Input/Output Operations Per Second)of the storage back-end (logical disks) and controller cache

[Edward143]

Do you have any docs to read about IOPS from the basic and how to calculate IOPS for storage ?

I am new to SAN

[IBaltay]

maybe this could help you:

http://h30144.www3.hp.com/SWDSizerWeb/default.htm

[PB75]

see this thread:
http://forums.itrc.hp.com/service/forums/questionanswer.do?threadId=1353024

many things affect the IOPS (for example: Drive Type, ratio between read and write IO, VRAID Level, etc.)

You'll find the IOPS per Drive Type written down here:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=120&prodSeriesId=315127&prodTypeId=12169&objectID=c01671044