I have set up a two host Hyper-V failover cluster using CSVs and everything is fine but, when setting up the backups, the DPM server, running System Center DPM 2012 R2, states the backup succeeds but it only takes up a very small amount of data and finishes way too quickly.  So, I performed a restore to an alternate location to see what would be restored and it was only the VM config files and no VHD file.  I am wondering why the server only backed up the config files and not the VM's VHD files?  Both hosts have the DPM agent and can even be backed up themselves but no VM?  The DPM server is on 2008 R2 and it's backing up Server 2012 R2 VMs and the hosts are also 2012 R2.  The same DPM server can backup a lab host server with 15 VMs on it just fine but not the cluster.

To clarify, I am using a Dell VRTX with two blades and a shared storage backplane.  After the initial backup, there is no VHD in the backup as seen after doing a restore to a file share--all that was there was the XML config files which makes sense since the amount of "Allocated Disk Space" during the set up of the protection group was only 75KB!

Nothing??  I will add, as a test, I downloaded Veeam Backup and within a short time frame, I had successful backups of my VMs on the CSVs on the shared storage unit.  At this point, it appears SCDPM 2012 R2 cannot backup VMs on the CSVs even though it says it can.  Am I wrong??

Hi,

When you are configuing protection for your VMs in a Protection Group are you able to see them as Online and Offline when expanding your Hyper-V cluster? See image below.

Yes I can as seen below

Also,  here is where the disk space allocation comes in as seen below.  If I backup the VM and the move the original files, restore it, there is the VM but no VHD file.