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Veeam Backup & Replication 9.5
User Guide for Microsoft Hyper-V

EMC Data Domain

You can use EMC Data Domain storage systems with Data Domain Boost (DD Boost) as backup repositories.

The DD Boost technology offers a set of features for advanced data processing. Veeam Backup & Replication supports the following features:

Managed File Replication is not supported.

In addition to these technologies, Veeam Backup & Replication supports in-flight data encryption and per storage unit streams.

Distributed Segment Processing

Distributed Segment Processing lets EMC Data Domain “distribute” the deduplication process and perform a part of data deduplication operations on the backup proxy side.

Without Distributed Segment Processing, EMC Data Domain performs deduplication on the EMC Data Domain storage system. The backup proxy sends unfiltered data blocks to EMC Data Domain over the network. Data segmentation, filtering and compression operations are performed on the target side, before data is written to disk.

With Distributed Segment Processing, operations on data segmentation, filtering and compression are performed on the backup proxy side. The backup proxy sends only unique data blocks to EMC Data Domain. As a result, the load on the network reduces and the network throughput improves.

Advanced Load Balancing and Link Failover

Advanced Load Balancing and Link Failover allow you to balance data transfer load and route VM data traffic to a working link in case of network outage problems.

Without Advanced Load Balancing, every backup server connects to Data Domain on a dedicated Ethernet link. Such configuration does not provide an ability to balance the data transfer load across the links. If a network error occurs during the data transfer process, the backup job fails and needs to be restarted.

Advanced Load Balancing allows you to aggregate several Ethernet links into one interface group. As a result, EMC Data Domain automatically balances the traffic load coming from several backup servers united in one group. If some link in the group goes down, EMC Data Domain automatically performs link failover, and the backup traffic is routed to a working link.

Virtual Synthetics

Veeam Backup & Replication supports Virtual Synthetic Fulls by EMC Data Domain. Virtual Synthetic Fulls let you synthesize a full backup on the target backup storage without physically copying data from source volumes. To construct a full backup file, EMC Data Domain uses pointers to existing data segments on the target backup storage. Virtual Synthetic Fulls reduce the workload on the network and backup infrastructure components and increase the backup job performance.

In-Flight Data Encryption

Veeam Backup & Replication supports in-flight encryption introduced in EMC Data Domain Boost 3.0. If necessary, you can enable data encryption at the backup repository level. Veeam Backup & Replication will leverage the EMC Data Domain technology to encrypt data transported between the EMC DD Boost library and EMC Data Domain system.

Per Storage Unit Streams

Veeam Backup & Replication supports per storage unit streams on EMC Data Domain. The maximum number of parallel tasks that can be targeted at the backup repository (the Limit maximum concurrent tasks to N setting) is applied to the storage unit, not the whole EMC Data Domain system.

Supported Protocols

Veeam Backup & Replication supports EMC Data Domain storage systems working over the following protocols:

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