I don't normally post newsie type items or just links to other sites but I'm making somewhat of an exception in this case since I've written articles related to this topic before. Duncan Epping has posted an unofficial best practices for virtualizing vCenter instances running in a vSphere environment. Serious VI admins should be reading his blog on a regular basis already - highly recommended!
Check it out at http://www.yellow-bricks.com/2009/10/09/best-practices-running-vcenter-virtual-vsphere/
Enthusiast (85 points)