Originally Posted by Goitz
If the primary concern is data storage and retrieval (security via encryption and other protocols presumed), back-up storage media (portable and online) are considered critically important.
The problem is when there are custom applications and online processes that must be immediately installed and should be up and running within a specific period. An hour-long downtime could cost a lot to a large-scale business. Under this condition, a physical back-up site should be prepared for.