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With the development of cloud computing, disk arrays tolerating triple disk failures (3DFTs) are receiving more attention nowadays because they can provide high data reliability with low monetary cost. However, a challenging issue in these arrays is how to efficiently reconstruct the lost data, especially for partial stripe errors (e.g., sector and chunk errors). It is one of the most significant...
In large scale data centers, with the increasing amount of user data, Triple Disk Failure Tolerant arrays (3DFTs) gain much popularity due to their high reliability and low monetary cost. With the development of cloud computing, scalability becomes a challenging issue for disk arrays like 3DFTs. Although previous solutions improves the efficiency of RAID scaling, they suffer many problems (high I/O...
With the rapid growth of data storage, the demand for high reliability becomes critical in large data centers where RAID-5 is widely used. However, the disk failure rate increases sharply after some usage, and thus concurrent disk failures are not rare, therefore RAID-5 is insufficient to provide high reliability. A solution is to convert an existing RAID-5 to a RAID-6 (a type of "RAID level...
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