Sunday, 28 February 2016

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

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