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.
Read more about this topic: Disaster Recovery And Business Continuity Auditing