A disaster recovery (DR) plan is a formal document created by an organization that contains detailed instructions on how to respond to unplanned incidents such as natural disasters, power outages, cyber attacks and any other disruptive events. The plan contains strategies on minimizing the effects of a disaster, so an organization will continue to operate – or quickly resume key operations.
Disruptions can lead to lost revenue, brand damage and dissatisfied customers. And, the longer the recovery time, the greater the adverse business impact. Therefore, a good disaster recovery plan should enable rapid recovery from disruptions, regardless of the source of the disruption.
A DR plan is more focused than a business continuity plan and does not necessarily cover all contingencies for business processes, assets, human resources and business partners.
A successful DR solution typically addresses all types of operation disruption and not just the major natural or man-made disasters that make a location unavailable. Disruptions can include power outages, telephone system outages, temporary loss of access to a facility due to bomb threats, a "possible fire" or a low-impact non-destructive fire, flood or other event. A DR plan should be organized by type of disaster and location. It must contain scripts (instructions) that can be implemented by anyone.
Before the 1970s, most organizations only had to concern themselves with making copies of their paper-based records. Disaster recovery planning gained prominence during the 1970s as businesses began to rely more heavily on computer-based operations. At that time, most systems were batch-oriented mainframes. Another offsite mainframe could be loaded from backup tapes, pending recovery of the primary site.
=> How is a disaster recovery (DR) plan used in industry?
Hyundai Heavy Industries (HHI) was faced with that harsh reality when a 5.8 magnitude earthquake struck in 2016. Since the company’s backup center was located near headquarters in Ulsan City, Korea, the earthquake served as a wake-up call for HHI to examine its disaster recovery systems and determine preparedness for a full range of potential disruption.
In 2016 an earthquake showed just how close a natural disaster could come to damaging Hyundai's mission critical IT infrastructure. The IT leadership responded quickly, working with IBM Business Resiliency Services to implement a robust disaster recovery solution with a remote data center.
Source : IBM
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