To set up Block Level Delta Compression and WAN Acceleration you don’t need to configure much. In fact, the default settings already pre-configure deduplication for types of files where it makes most sense, for example, disk images, VHDX files (Hyper-V, Virtual PC / Server), VMDK files (VMware), MDF LDF files (SQL Server), etc.
The tab “Deduplication” in BackupChain contains the task’s deduplication settings where you can switch it on / off, set a block size and allocate CPU cores to the deduplication operation.
WAN acceleration occurs automatically when the incremental or differential compressed deltas are being uploaded.
Since so-called in-file, block-level delta compression (“deduplication”) process may be turned on and off for specific file types in the File Types tab table. There you could add a line for a particular file type of concern that you would like deduplicated. For example, you may have a Lotus Domino database file with NSF file extension. You could add a new entry in BackupChain’s File Types table “*.nsf” and enable compression and deduplication for it. As a nice bonus, you can set retention periods and limit ‘number of backups’ for just those kinds of files within a backup task as well.
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