No one looks forward to data center outages. Not the business leaders who fear revenue loss from applications being down, nor the heroic IT admin whose pager is going off at 3:00 AM. Therefore many critical data centers have a sister location and some form of a disaster recovery plan, should something go awry. At the same time, infrastructure teams are under pressure to be more agile and more responsive to the business, across the board, while still lowering costs and making the most out of what they already have. So what exactly happens in the case of a disaster?