RDM and VMDK, both are Same or Different ?
How to map RDM to a virtual machine ?
Which is better for a virtual machine ?
Can anyone explain this with a simple scenarios to understand clearly about RDM ..... ?
Please read my below post related to RDM, its use cases and limitations
http://www.vmwarearena.com/2013/02/raw-device-mapping-rdm-use-cases.html