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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 32-874
Full Name: Yulin Wang
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: No.4, Section 2, North Jianshe Road, Chengdu, P.R.China
Country: CHINA
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E-mail address: wyl@uestc.edu.cn
Other E-mails: alasomn@gmail.com
Title of the Paper: Triple-Star £ºa coding scheme with optimal encoding complexity for tolerating triple disk failures in RAID
Authors as they appear in the Paper: Yulin Wang, Guangjun Li
Email addresses of all the authors: wyl@uestc.edu.cn,gjli@uestc.edu.cn
Number of paper pages: 11
Abstract: This paper presents a new coding scheme, called Triple-Star, for tolerating triple disk failures in Redundant Arrays of Inexpensive Disks (RAID) architecture. The size of the information part is nxn, the size of the parity-check part is nx3, and the minimum distance is 4, where n is the number of information disks, the number of parity-check disks is 3, and (n+1) is a prime integer. The code rate is R=n/(n+3) and the Maximum Distance Separable (MDS) property is proved. The key novelty in the presented scheme is that it has optimal encoding and lower decoding complexity. There need to be 3-3/n XOR operations per data symbol for encoding and 3n2+3n-11 XOR operations in total for decoding triple information disk failures.
Keywords: Array code; MDS; RAID; Efficient decoding; Decoding complexity; Tripe-disk fault-tolerance
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