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The Design of a Fault Tolerant Store Management System
Journal of The Korea Society of Computer and Information
Abbr :
JKSCI
2015, 20(10), pp.1-5
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
2015, 20(10), pp.1-5
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science
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Based on the dual hardware and software with distributed recovery blocks, the centralized type fault tolerant store management system(SMS) was proposed. As a result of trade off study related to mutiplex hardware system design, dual single board computer(SBC) was adapted. To verify redundancy function of the proposed structure, the prototype SMS and weapon simulator were used. The proposed SMS operated normally without being affected by a primary SBC failure. The switching time from primary SBC to shadow SBC was within 200 ms. The reliability of the proposed SMS was predicted and compared with the non fault tolerant SMS, thereby it was proved that the proposed SMS has a higher reliability than the non fault tolerant system within effective range.
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