Abstract:As an important support of the power company, the information system of electric power marketing p lays a decisive role in the daily work and development of company’s marketing work. The high reliability of the server system served as electric powermarketing system’s heart has been become one of key factors to restrict infor2 mation imp lementation effect. Aimed at the reliability deficiency of traditional cluster server system, itmade the deep technical performance analysis for Stratus’fault2tolerance server in the paper. And combined with the feature of marketing information system, the paper p roposed a system structure of marketing information system based on the highly continuous availability of Stratus’fault2tolerance server. The advantages of economy and technologywere an2 alyzed for the p roposed scheme. The result of imp lementation and app lication shows that this scheme is better in e2 conomy, and can more easily realize the continuous availability than cluster server solution.