Understanding Virtual Machine Snapshots in VMware!

Or, Virtual Machine Snapshot in VMware – How it works?

VMware Virtual Machine snapshot is very useful tool to take instant temporary backup of a virtual machine anytime. It preserves the state of a virtual machine at any specific point of time. If you are performing any activity which may cause some changes on application or OS level, it’s better to have a snapshot of the VM before proceeding with the activity.

In-case somethings went wrong, you can revert the Virtual Machine’s snapshot to the last recent well stable state in few minutes (depending on the VM size).

A VM snapshot preserves states of following files while performing VM snapshot:

1. Configuration State

2. Memory State

3. Disk State