Disclaimer: This is a summary taken from the link below: http://farbspiel-photo.com/learn/how-to-back-up-terabytes-of-photos-quickly-and-safely   Doing back-ups of your data can be a pain in the arse, especially when you are shooting in RAW or videos. So here I found a good advice on how to set up an intelligent back-up system as explained by farbspiel in his…