Database Recovery and Cloud Services Essay

5953 Words Nov 8th, 2015 24 Pages
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High Availability
Disaster Recovery: Best Practices

HOME SUPPORT TECHNOLOGY SUPPORT AVAILABILITY HIGH AVAILABILITY TECHNOLOGY INFORMATION TECHNOLOGY WHITE PAPER Disaster Recovery: Best Practices

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Disaster Recovery: Best Practices

Contents
1 Executive Summary
2 Disaster Recovery Planning
2.1 Identification and
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This paper discusses an approach for creating a good disaster recovery plan for a business enterprise. The guidelines are generic in nature, hence they can be applied to any business subsystem within the enterprise.
In the IT subsystem, disaster recovery is not the same as high availability. Though both concepts are related to business continuity, high availability is about providing undisrupted continuity of operations whereas disaster recovery involves some amount of downtime, typically measured in days. This paper focuses only on disaster recovery.
Every business disaster has one or more causes and effects. The causes can be natural or human or mechanical in origin, ranging from events such as a tiny hardware or software component's malfunctioning to universally recognized events such as earthquakes, fire, and flood. Effects of disasters range from small interruptions to total business shutdown for days or months, even fatal damage to the business.
The process of preparing a disaster recovery plan begins by identifying these causes and effects, analyzing their likelihood and severity, and ranking them in terms of their business priority. The ultimate results are a formal assessment of risk, a disaster recovery plan that includes all available recovery mechanisms, and a formalized Disaster Recovery Committee that has responsibility for rehearsing,

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