You take daily snapshots of a virtual machine (VM). You need to restore the state of the VM
as it was three days ago onto another host server and minimize the storage space
requirements. What should you do first?
A.
Export the VM.
B.
Export all snapshots.
C.
Export only one snapshot.
D.
Merge all snapshots.
Explanation:
Understanding Hyper-V Snapshots So what is a Snapshot exactly. A Snapshot in Hyper-V is
basically a spot in time where the current running configuration of the Virtual Machines is
saved to a Snapshot Differencing Disk file (AVHD), from which you can return to from the
future. This point in time is linked back to the original VHD Base disk. When you take
another Snapshot it links to the first snapshot which links the the Base VHD (like a daisy
chain).
http://networkfoo.org/server-infrastructure/recovering-your-virtual-machine-how-manuallymergehypervsnapshots-back-one
http://social.technet.microsoft.com/Forums/is/winserverhyperv/thread/6ca61c0b-70a9-4cc2-
a012-331098eba738
http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/08/26/hyper-v-export-import-part-
1.aspx