Usually, snapshots are used to test software updates or for unsafe operations on a VM, and then returned to the initial state if needed - think about it as a bookmark or an undo button. Multiple snapshots are organized in a parent-child hierarchy. The VM can be powered off, powered on or suspended when snapshots are taken. In a nutshell, a VM snapshot is the process of saving the data state of a VM with the possibility to revert to that point in time. This logic applies to VMware VM snapshots, Hyper-V checkpoints and storage snapshots as well. While it is true that many Veeam products will use a snapshot as part of a backup - a snapshot by itself is not a backup. Today, I’m going to explain the discrepancy between VM snapshots and backups and provide you with a few scenarios where each of them best fits. They are two different processes designed to address different needs. To dispel any doubts, snapshots are NOT backups. Having a clear picture of what VM snapshots and backups can do for you is critical when your data is at stake.
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