Virtual Machine Snapshots

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What are virtual machine snapshots?

Virtual machine snapshots capture the state, data, and hardware configuration of a running virtual machine.
This allows you to take a snapshot right before you make any change. They also allow a quick way to restore your virtual machine to a previous state.

Why are virtual machine snapshots cool?

Say you want to make a change to a system that is running, you may want to add a service pack or just test out some changes. Then you can back up the whole virtual hard drive, this could be a .vhd file if you’re using Hyper-V or .vmdk files for VMWare.
To do this you usually have to shut down the VM and then back up the file.
Now with snapshots you can just make a snapshot of the running virtual machine withoud needing to shut it down or waiting for it to copy the virtual hard drive file. The snapshot also allows really quick rollback.

Author

Jake Gardner

Jake is an IT Consultant/Systems Engineer that works for a business that offers services to SMB clients. He runs his own business that delivers solutions geared towards online marketing and web design.

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