Disaster recovery is the process, policies and procedures related to preparing for recovery or continuation of technology infrastructure critical to an organization after a natural or human-induced disaster. Disaster recovery is becoming an increasingly important aspect of enterprise computing. As devices, systems, and networks become ever more complex, there are simply more things that can go wrong. As a consequence, recovery plans have also become more complex. Disaster recovery planning is a subset of a larger process known as business continuity planning and should include planning for resumption of applications, data, hardware, communications (such as networking) and other IT infrastructure. A business continuity plan (BCP) includes planning for non-IT related aspects such as key personnel, facilities, crisis communication and reputation protection, and should refer to the disaster recovery plan (DRP) for IT related infrastructure recovery / continuity.
Disaster Recovery is the process an organization uses to recover access to their software, data, and/or hardware that are needed to resume the performance of normal, critical business functions after the event of either a natural disaster or a disaster caused by humans. While Disaster Recovery plans, or DRPs, often focus on bridging the gap where data, software, or hardware have been damaged or lost, one cannot forget the vital element of manpower that composes much of any organization. Appropriate plans vary from one enterprise to another, depending on variables such as the type of business, the processes involved, and the level of security needed.
Disaster recovery planning may be developed within an organization or purchased as a software application or a service. A building fire might predominantly affect vital data storage; whereas an epidemic illness is more likely to have an affect on staffing. Both types of disaster need to be considered when creating a Disaster Recovery Plan. Thus, organizations should include in their DRPs contingencies for how they will cope with the sudden and/or unexpected loss of key personnel as well as how to recover their data.
Appropriate plans vary from one enterprise to another, depending on variables such as the type of business, the processes involved, and the level of security needed. Disaster recovery planning may be developed within an organization or purchased as a software application or a service. It is not unusual for an enterprise to spend 25% of its information technology budget on disaster recovery. An effective DR plan consists of the following stages:
* Program description
* Pre-planning activities (project initiation)
* Vulnerability assessment and general definition of requirements
* Business impact analysis
* Detailed definition of requirements
* Plan development
* Testing program
* Maintenance program
* Initial plan testing and plan implementation
Disaster recovery planning and business continuity management is essential to business security and survival. Once you acknowledge the value of technology to your organization, you must also consider the related consequences when and if that technology becomes temporarily unavailable, or totally inaccessible.
Disaster recovery planning can be used to identify needs, analyze consequences and to develop recovery strategies.
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