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http://dx.doi.org/10.9708/jksci.2022.27.12.009

Design and Implementation of User-Level FileSystem in the Combat Management System  

Kang, Seok-Hyun (Naval R&D Center, Hanwha Systems)
Kim, Keun-Hee (Naval R&D Center, Hanwha Systems)
Publication Information
Journal of the Korea Society of Computer and Information / v.27, no.12, 2022 , pp. 9-16 More about this Journal
Abstract
In this paper, we propose a plan to design and utilize the RDBS(Record Block Data file management System) so that data can be recovered when data files in the Combat Management System are mismatched. The CMS(Combat Management System) manages the same files in multiple IPN(Infomation Processing Node) repositories to support multiplexing. However, mismatches in data files can occur due to equipment maintenance or user immaturity. The existing CMS does not manage the history of changes in data files, and when a mismatch occurs, data file were synchronized based on the latest date. But, It is difficult to say that files with the latest date have the highest reliability, and once the file synchronization has progressed, it cannot be recovered with pre-synchronization data. To solve this problem, data was stored and synchronized in units of record blocks using RDBS proposed in this paper, and the Rsync algorithm was used to reduce the overhead of file synchronization due to units of record blocks. SW applied with RDBS was tested for performance in a simulated environment, and it was confirmed that it could be applied to CMS through normal operation confirmation.
Keywords
Combat Management File System; Record file management; Record-Level Synchronization; Backup and Restore;
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