Which product should I purchase to backup 2012 Hyper-V ?

Which product should I purchase to backup 2012 Hyper-V ?

Our current infrastructure

 

(Virtual Server) 192.168.215.9 is hyper v windows 2012 R2 with SQL server

(Virtual Server) 192.168.215.8 is hyper v windows 2012 R2

(Physical Server) 192.168.215.10 is Hyper v Host and vembu bdr host is windows 2012 R2

 

"I want full image backup solutions for Virtual Server 192.168.215.9 and Virtual Server 192.168.215.8. These servers are hosting some programs, and reinstallation is not possible. Therefore, we need a reliable backup solution to keep them running."