Replication - User Guide for VMware vSphere
helpcenter.veeam.com › docs › backupAug 16, 2021 · Veeam Backup & Replication uses the snapshot as a source of data for replication. During the first replication cycle, Veeam Backup & Replication copies data of the original VM running on the source host, and creates its full replica on the target host. Unlike backup files, replica virtual disks are stored decompressed in their native format.