Security experts say how individual companies choose to save their data in anticipation of an outage depends on how long they can survive before the “lights” are turned back on. What level of availability does your company need? Is the face of your company an ecommerce site where even a few minutes offline can cost an astronomical sum? Will the cost of an active-active system outweigh the potential loss of business from an outage? http://www.csoonline.com/article/3178392/disaster-recovery/disaster-recovery-how-is-your-business-set-up-to-survive-an-outage.html