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PowerProtect Data Manager 19.16 Virtual Machine User Guide

Virtual machine data change rate

The data change rate is the percentage of a virtual machine's data that changes between backups.

Data change rates directly impact the number of VM Direct Engines required to successfully complete the backup of all required virtual machines within the backup window. A daily data change rate of 3-4% is typical in a vSphere environment. Higher data change rates will require either a longer window to complete the backup, additional VM Direct Engines, or both.


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