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vRanger 7.8.5 - Integration Guide for EMC Data Domain Boost (DD Boost)

Creating Storage Units

The EMC® Data Domain® system exposes pre-made disk volumes called storage units to an EMC® Data Domain® Boost (DD Boost™)-enabled backup server. Each Storage Unit is a top-level subdirectory of the /data/col1 directory; there is no hierarchy among Storage Units. When used with vRanger, a DD Boost repository is configured at the Storage Unit level, meaning each DD Boost repository in vRanger equates to exactly one Storage Unit.

Configuring distributed segment processing

The distributed segment processing option is configured on the EMC® Data Domain® system and applies to all the backup servers and the EMC® Data Domain® Boost (DD Boost™) Libraries installed on them. For more information, see Distributed segment processing.

The option can be configured using the following command:

Distributed segment processing is supported with DD Boost Library version 2.2 or later communicating with a Data Domain system that is running Data Domain OS 5.2 or later.

Distributed segment processing is enabled by default on a system initially installed with Data Domain OS 5.2. If a system is upgraded from Data Domain OS 5.0.x to Data Domain OS 5.2 or later, distributed segment processing is left in its previous state.

Configuring Advanced Load Balancing and Link Failover

If an interface group is configured, when the EMC® Data Domain® system receives data from the backup server clients, the data transfer is load balanced and distributed as separate jobs on the private network, providing higher input and output throughput, especially for customers who use multiple 1 GbE connections.

Create an interface group on the Data Domain system by adding existing interfaces to the group and registering the Data Domain system with vRanger, as described in the following steps.

After the interface group is set up, you can add or delete interfaces from the group. You can manage Advanced Load Balancing and Link Failover — an interface group — by using the ddboost ifgroup command or from the Enterprise Manager Data Management > DD Boost view. For more information, see the EMC Data Domain Operating System Administration Guide.

Configuring replication

With EMC® Data Domain® Boost (DD Boost™), vRanger can control replication between multiple EMC® Data Domain® systems and provide backup administrators with a single point of management for tracking all backups and duplicate copies. This configuration lets you efficiently create disaster recovery (DR) copies of your backups over the WAN, and track all the copies using the vRanger catalog for easy recovery.

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