Due to some of my work I have had to read through bunch of documents (legal and non-legal) on Oracle licensing. Although I am unable to make a “binding” statement I can say that I have not found a word that states somewhere Oracle can make any claim regarding the need to license all your hosts etc….
I went on and contacted House of Brick for advice on this topic with great results – contact them if you need any information about Oracle@VMware! 🙂
Info on licensing FUD etc…
Fight the FUD – Oracle Licensing and Support on VMware vSphere
Virtualizing Oracle software: Don’t pay for what you don’t need
Virtualizing Business-Critical Applications on vSphere
Books about virtualizing Oracle on VMware vSphere:
Virtualizing Oracle Databases on vSphere (VMware Press Technology)