Remember that your plan is a living document and it's only as good as the people you have implementing it. You need to test your plan regularly and conduct periodic training to ensure you're prepared when disaster strikes.
There are four main types of tests that help you evaluate your personnel and plans:
Plan review. Exercises that usually involve the distribution of BCP/DRP copies to all disaster recovery personnel for review. This accomplishes two goals. First, it ensures that personnel are aware of their disaster recovery responsibilities. Second, it forces a review of the plan to ensure it meets the organization's current requirements.
Tabletop exercises. Theoretical disaster simulations in ...