The Planning Method for Disaster Recovery Program of Digital Business Based on HSM-III Model

摘要

In this paper, based on analysis of objectives, hierarchy and cost of disaster recovery system of digital business, the author proposes HSM-III model which referenced from Hierarchical Storage Management model HSM-I and HSIM-II. The main idea of HSM-III is hierarchical disaster recovery management, that is, different levels of business disaster recovery requirements and disaster recovery programs should matched properly in order to gain highest performance at the lowest cost of disaster recovery programs. A relevant example is also provided to demonstrate the application of this model. The model proposed in this paper can be used in various organizations to help strategic thinking for their digital business disaster recovery system.