Using the snapshot feature of vSphere for creating a point-in-time capture of the state of a virtual machine is useful when performing upgrades, patching or other types of maintenance. Keeping snapshots for long periods can affect the performance of virtual infrastructure for both the virtual machine and the datastore in which the virtual machine is located.

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Consider the following best practices for virtual machine snapshots:

  • Do not use snapshots as a replacement for a backup solution.

  • Maintain snapshots only for a few days (24-72 hours).