Dell PowerVault DR2000v - Manual (Page 18)

18 Setting up RDA Backup to Dell™ DR4x00 Disk Backup Appliance on Dell™ NetVault
Select ‘Use optimized replication between devices that support this feature’. This enables
Optimized duplication between source and target Containers.
Additional Advanced options:
Encryption: Advanced options -> Enable Encryption. Make sure this is unchecked. Deduplication
savings as well as throughput would be lower if encryption is enabled.
Deduplication: Advanced options -> Enable Deduplication. This does not apply when backing-up
to RDA devices. Leave it unchecked. Refer to NVBU 9.2 Administrators Guide for more details.
Network Compression: Advanced options -> Enable Network Compression. This does not apply
when backing-up to RDA devices. Leave it unchecked.
6. Click on Save menu button to save the job.