I believe the Next Generation Computing is Software Defined Infrastructure on top of the robust physical infrastructure. You can ask me anything about enterprise infrastructure (virtualization, compute, storage, network) and we can discuss it deeply on this blog. Don't hesitate to contact me.
Using the VMware I/O Analyzer v1.5: A Guide to Testing Multiple Workloads
I encourage you to watch great video about good practice how to use VMware I/O Analyzer (VMware bundle of IOmeter).
There is mentioned very important step to get relevant results. The step is to increase the size of second disk in virtual machine (OVF appliance). Default size is 4GB which is not enough because it hits the cache of almost any storage array and results are unreal and misleading.