Hello, I'm looking for a definitive Storage and Backup solution for my mac Pro. So far I've been looking on to Drobo 5D or N, LaCie 5big Thunderbolt 2, or LaCie 2big Thunderbolt 2. Networking would be a plus but not a must. I'm open for other suggestions and also wonder if these systems can be considered backup since they are ready for single or double disks failures. Thanks.