Data integrity and security technology based on information redundancy
Wang Zhi-gan · 2002
Data information is the most important resource in the applied system of computer. To safeguard data integrity, information redundancytechnology, mainlyincluding backup (copy backup and mirror backup) and check, should be used. In the present paper the author first discusses the backup technology and the RAID system. Then a comparison between the efficiency of the mirror information redundancy and that of check information redundancy is made.