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RAID systems increase data storage reliability by employing one or more data integrity techniques such as parity or checksum. However, the current implementations of software RAID systems suffer both inflexibility and unrobustness. First, different software RAID levels require different RAID systems and the system written for one level cannot be reused for others. In addition, writing a new RAID system is known to be difficult and it requires a lot of debugging effort. This paper proposes Automatic RAID Construction (ARC), an approach to automatically construct RAID systems with different parity and checksum schemes.
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