Dell DR4000 - Manual (Page 17)

17 Setting Up the Dell
™
DR Series System on Veeam | May 2014
6. Check Decompress backup data blocks before storing.
Note: Deselecting the Decompress backup data blocks before storing option may increase your overall deduplication
storage capacity usage. It is not recommended to switch these settings after data has been written to the DR.
7. Deselect Aligning backup file data blocks. This should be deselected since the DR Series system uses variable
block deduplication.
8. On the Backup & Replication menu, under Jobs  Backup, right-click Backup to create a new backup job.