So on a 4.1 (will upgrade this spring) cluster, there are 2 systems that are having issues: things like time-outs when trying to post updates to the ERP system, and in another case when trying to add drawing files to a "vault" server.
I've been asked to see if the VM guests involved are having disk performance issues that could be causing this -
What is the best/most efficient way to begin looking into it? Is there anything in vCenter that will show us whether there is high disk latency for a vm, for example, or do I have to do IOmeter or similar on each VM in order to discover this kind of info?