Be aware that as of today, SRM cannot protect workload or client VMs within vCloud. It can, however, protect the management VMs. Check out Alan Renouf's whitepaper on the subject, vCloud Disaster Infrastructure Resiliency Case Study.
All the best,
Mike
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Mike Brown
VMware, Cisco Data Center, and NetApp dude
Consulting Engineer
Twitter: @VirtuallyMikeB
Blog: http://VirtuallyMikeBrown.com
LinkedIn: http://LinkedIn.com/in/michaelbbrown