Backup Process Local Backup The protected machine generates data that needs to be backed up. The Datto appliance sends a backup request to the agent software installed on the protected machine. The agent software opens the network transfer protocol and initiates the VSS snapshot on the protected machine. The backup data is transferred over the network to the Datto and written to the live dataset. On the Datto appliance, ZFS takes a point-in-time snapshot of the live dataset and integrates it into the backup chain. Roundtrip:- Roundtrip drives are external hard drives provided b y Datto to expedite the transfer of large data sets to the Datt...