Hi,  We have implement this kind of solution with VNX5500 and DPM2012 RC. And we run into a LOT of problems !  Here is first what you need in order to start your configuration:  The EMC Hardware provider : se7310-WINDOWS-x64-VSS.exe The Unisphere CLI :NaviCLI-Win-32-x86-en_US-7.31.30.0.90-1.exe Have the local protection license/Snapview Snapshot license for VNX Create a RLP for your SNAP Space  Best Practice:  If Boot On San do NOT install the EMC Hardware Provider on C: Create your RLP in dedicated disk Do not install Powerpath fot this kind of configuration  Now useful document : Home > Support > Technical Documentation and Advisories > Software ~ T-Z ~ Documentation > VSS Provider Primus emc107717 and emc202636 for RLP  Now just a resume of different kind of error we encounter : [IMAGE]  ou have also some registry key in order to tune your DPM server. One of the most important one is the MaxAllowedParallelBackups which ios set to 3 by default starting DPM2010.
Can someone kick me in the right direction for backing up hyper-V guest servers in a 3 node cluster utilizing CSV's with a VNX 5300?  I would like to utilize our DPM 2010 server to back up the machines.  I am very frustrated with the documentation that EMC provides, I don't know if it exists or I just can't find it.  I understand I need some sort of Hardware VSS provider on the Host machines and then I think I need a snapshot lun that DPM will backup, I just can't find the correct information to accomplish this.  Any help would be more then apprecitated.  
Hyper-V 2008 R2 CSV Backup