How to find the IOPS and Latency in a Hybrid Infrastructure.

Our DataCenter Infrastructure is 75% virtual (VMware 6.5) and 25% Physical.
The Virtual and Physical  Servers (mostly HP and Dell Chassis and Few Individual HP and Dell Servers) are connected to 3 Storage Arrays (HPE) each having their own management interface.   How can I find the IOPS and Latency in such a setup. Is there any specific tools (if so what tools are available) and where exactly should this be run on. I  need some guidance to  find the  overall IOPS and Latency  if not accurate, at least the general IOPS and Latency.    Thank you.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
vSphere will report on latency

have you checked your HPE tools for IOPS otherwise you will need to use third party tools such as I?O Meter

but latency is key to performance

see this article
HOW TO:  Performance Monitor vSphere 4.x or 5.0
cgeorgeisaacAuthor Commented:
On two Storage arrays I can see the IOPS. However, does this mean I have to run IO Meter on all the other individual Hosts and one Storage Array and then take an average reading?  The vCenter provides the overall performance related to CPU and memory but not IOPS and Latency. However, that link was highly informative.  Thanks.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
thats a bit odd we can report on datastore latency

what are you trying to solve investigate diagnose?

why do you want to know IOPS what are you going to do with that figure

do you have performance issues on datasore?

are things slow

has a vendor asked how many IOPS does your SAN have for a particular dapplication

cn you see what Im getting at
cgeorgeisaacAuthor Commented:
We are in the process of refreshing our Storage Arrays and  this is one piece of information  (what is your current IOPS) most Vendors ask.  Therefore, would like to know if there is an easier way to find the IOPS for the entire DataCenter.   That's all.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
So you effectively want a value for your datastores ? Just to give that figure to your new vendors.

Okay IO Meter -

is the benchmark used to check IOPS, you run it in a VM, and the VM will need to be on different datastores.

There is also

the above will also give you IO Stats and IOPS.

There are many other IOP products, but it often depends on different workloads, and VM ware types.

Here are a list of other tools we have used...

1.IO Meter

2. CrystalDiskMark

3. HD Tach

4. Intel NAS Toolkit

5. VDBench

6. VMware Fling IO Blazer

7. Jet Stress



10. dd for (Linix, Unix and Windows)

11. ATTO

12. Bonnie++

13. FIO

14. hIOmon

15. DiskTester

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