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Detecting corrupted pages in M replicated large files

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2 Author(s)
Hwang, F.K. ; Dept. of Appl. Math., Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Wenan Zang

A file in a distributed database system is replicated on M sites and may contain corrupted pages. Abdel-Ghafiar and El Abbadi gave a detection scheme assuming that the number of corrupted pages f<M/2. We replace this assumption by a much weaker one, that, for each page, the majority of copies are correct. Our schemes are based on the structure of the Reed-Solomon code, as proposed by Abdel-Ghaffar and El Abbadi for M=2

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:8 ,  Issue: 12 )