Hello Steve,
As long the roll-up jobs are running fine you should the performance statics for Host/VM etc.I guess you are using SQL?
TheSE rollup jobs are scheduled to run by default on these intervals:
- Past day stats rollup – Every 30 minutes
- Past week stats rollup – Every 2 hours
- Past month stats rollup – Every 24 hours
If you would like to check the respective table please check>http://kb.vmware.com/kb/2007388.There is only scenario where in we make use of the same "To make sure we have data collected over there" ... Why ? >. eg: Gaps in charts/Performance data not showing etc ..Please revert if you have any other queries