Indeed as kijin states, the drive itself is full disk encrypted using LUKS, and SSH takes care of encrypting everything during transport. I did not require de-

Indeed as kijin states, the drive itself is full disk encrypted using LUKS, and SSH takes care of encrypting everything during transport. I did not require de-dupe but did only want to transmit only the diffs since last back up. I also wanted a something that would be of minimal resource usage on remote end (for rsnapshot was just running an rsync daemon if I recall correctly). In the case of one Ruby library I looked at, the entire system needed to be installed on each remote host to work correctly, which was unacceptable in my scenario. Primarily, it just feels like a solid tool and seems like it can be adapted to suit a lot of use cases (I have seen a config to allow backup of AWS RDS instances for instance).