Re: [Iometer-user] Limit IOpS

[Neto, A. J. R. <Ant...@ne...>]

Hi Sascha,

This is neto from Brazil

How are you?

I believe that you can that with FIO using rate_iops

Please let me know if you need any help

All the best

neto
NetApp - I love this company!
-----Original Message-----
From: Sascha Effert [mailto:fe...@do...] 
Sent: Thursday, February 28, 2013 7:19 AM
To: iom...@li...
Subject: [Iometer-user] Limit IOpS

Hello,

I would like to measure the average and max response time of a storage system (SAN with SSDs) with different load. Therefore I want iometer to generate (about) 5000 IOPS (later about 10000, 20000, up to some hundred thousands). Is this possible using iometer? At the moment I do not see a way to solve this. Does anybody know any other tool solving this issue?

If IOMeter does not allow to do so, I would like to play a little bit with the code. Therefore I want to implement a sleep after each IO. 
Searching the code I found the TargetDisk implementing the Read and Write and the class Grunt, which is the IO worker. I am very unsure where I should place the sleep. I am searching something like a look where the single Requests are created. Can someone give an idea where to find it?

bests

Sascha

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