I do basically the same setup except I use encryption on blue-ray burner to archive off site. These get shipped monthly to my fathers house 3000 miles away and get placed in his fireproof safe for long term archiving.

I also split off my on site storage to separate locations,

~ one cluster of rack mounted NAS's built with Ubuntu and 3Ware raid 5 controllers in my workshop on the other side of my property.
~ one cluster in the main house of yellow machines and tera stations.


This is connected to a Summit 450 Extreme Switch via dual gig fiber back to main house into a Cisco 3750 Switch.

I have a script that kicks off and sync's the in house to the workshop NAS's.

I also use Acronis and clone my laptop drive to the NAS's nightly because I use it in the field for work and this hobby.

I live in the NW and boy do we have windstorms better safe then sorry.

This is a great post thank you for sharing.