Snapshots “made by hyper-v”, called Checkpoints, work a bit different way than the snapshots in VMware vSphere. Administrator managing Hyper-V not being aware  that the checkpoints are merged only when the VM is powered down, could find himself short on storage space. In fact as I saw in Eric Gray’s article, the VM shows that there are no checkpoints, but the space occupied with the checkpoints  is still used until the VM is powered off. Only after the merge operation is completed.

But it’s not this point which triggered my article about snapshots today. It’s the way we use them. Read on..