![]() To keep track of changed data blocks, Veeam Backup & Replication uses different approaches. Veeam Backup & Replication copies only those data blocks that have changed since the last replication job session. All subsequent replication cycles are incremental. Unlike backup files, replica virtual disks are stored decompressed in their native format. Veeam Backup & Replication uses the snapshot as a source of data for replication.ĭuring the first replication cycle, Veeam Backup & Replication copies data of the source VM running on the source host, and creates its full replica on the target host. ![]() The VM snapshot can be thought of as a point-in-time copy of a VM that includes virtual disks, system state, configuration and so on. During replication, Veeam Backup & Replication requests VMware vSphere to create a VM snapshot. To replicate VMs, Veeam Backup & Replication leverages VMware vSphere snapshot capabilities. If you need RPO of seconds, consider continuous data protection (CDP). We recommend you to replicate VMs for which recovery point objective (RPO) of hours is required. Replication provides minimum recovery time objective (RTO) in case a disaster strikes because VM replicas are in a ready-to-start state. ![]() Veeam Backup & Replication maintains this copy in sync with the source VM. When you replicate a VM, Veeam Backup & Replication creates an exact copy of the VM in the native VMware vSphere format on the target host. Replication is a technology that helps you protect mission-critical VMware virtual machines.
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