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Disaster recovery and business continuity auditing
Disaster recovery (DR) and business continuity refers to an organization’s ability to recover from a disaster and/or unexpected event and resume operations. Organizations often have a plan in place (usually referred to as a "Disaster Recovery Plan", or "Business Continuity Plan") that outlines how a recovery will be accomplished. The key to successful disaster recovery is to have a plan (emergency plan, disaster recovery plan, continuity plan) well before disaster ever strikes.
Given ever-changing business objectives, one common need in disaster recovery is to perform an audit of the disaster recovery capacity of an organization. The purpose of such audit is to discover how closely an organization's disaster recovery readiness aligns to actual organizational objectives. When conducting an audit of a disaster recovery plan, factors such as alternate site designation, training of personnel, and insurance issues are considered. In conducting a disaster recovery audit, the individual or team performing the audit uses a number of procedures and processes to achieve the objectives of the audit. Successful disaster recovery audits clear state their objectives in an audit plan.
==Metrics==
Some of the key metrics to be measured in a disaster recovery environment are the Recovery Time Objective (RTO) and Recovery Point Objective (RPO). RTO is a metric that measures the time that it takes for a system to be completely up and running in the event of a disaster. RPO measures the ability to recover files by specifying a point in time restore of the backup copy.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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