The Planning Of Digital Business Disaster Recovery Program Based On Hierarchical Storage Management Theory

Disaster recovery operation is the last line of defense of Continuous operation of the digital storage business and data security. How to get the best disaster recovery effect with the lowest cost, that should be given priority consideration by every information system, Organizations need to do disaster recovery planning of digital business both the macro and micro levels. Good disaster recovery planning can change from passive to active, improve the business information system design and management level, and ensure agency business continuity. So the success of disaster recovery planning is related to the development of information technology directly.Most theory and method of digital service disaster recovery planning its general idea is all expanded by risk analysis, strategies, system design, system implementation, develop emergency response plans, system testing and drills, project maintenance and so on. This process is more clearly. In practice, it is easy to operate. However, this disaster recovery mode is lack of both cost and overall performance and failed to make the best performance.In this paper, based on the analysis of objectives, hierarchy and cost of digital business disaster recovery system, the authors proposed HSM-DR, Hierarchical disaster recovery management theory, which referenced Hierarchical Storage Management and A relevant case is also provided to demonstrate the application of this theory. The main idea of HSM-DR is that different levels of business disaster recovery needs and disaster recovery programs can be matched properly in order to gain highest overall performance at the lowest cost of disaster recovery programs. The method proposed in this paper can be used in various types of organizations to help their strategic thinking of disaster recovery system. That is,through the rational allocation of existing resources, to achieve optimal overall system cost. This article shows that the model is applied in the agency disaster recovery planning by analysis of disaster recovery Planning related telecommunications agency business case.