Dell PowerVault DL2200 - Manual (Page 6)

• Remote Office Protection over a WAN: With Media Server Deduplication, the PowerVault DL Backup to Disk
Appliance receives the entire data set before deduplication takes place. This is not a WAN-friendly method
of deduplication. Generally, Remote Office protection without local storage should use Client Deduplication.
Any PowerVault DL Backup to Disk Appliance that has the Deduplication Option licensed can utilize Media Server
deduplication. Most Agents and backup types supported by Backup Exec can take advantage of the space savings
inherent with Media Server Deduplication.
Table 2 – Media Server Deduplication
* Hyper-V backups will experience higher levels of deduplication when a Remote Agent is installed in the virtual
Guest operating system. In this case, the backup is done via the Remote Agent installed in the Virtual Guest. The
Agent for Hyper-V is not involved in Client deduplication.
Backup Exec’s Deduplication Storage Folder
The PowerVault DL Backup to Disk Appliance automatically configures the Deduplication Storage Folder. A
Deduplication Storage Folder is where all deduplication segments are stored, regardless of whether Client or Media
Server deduplication was used for a specific backup. A PowerVault DL Backup to Disk Appliance will support a single
Deduplication Storage Folder with a maximum capacity of 16 TB of deduplicated data.
The Deduplication Storage Folder contains two distinct items. The first is a file storage location, where the physical
deduplication segments are stored. The second is a Postgres SQL database, where the deduplication segments are