| 摘要 |
A RAID includes at least three disks, and the three disks includes respective first blocks corresponding to one another and respective second blocks corresponding to one another. Each of the first and second blocks is divided into a plurality of sub-blocks. One of the first blocks is used as a first parity check block with a check sub-block for storing a check stripe, one of the second blocks is used as a second parity check block with a check sub-block for storing a check stripe, and the other first blocks being used as first data blocks and the other second blocks are used as second data blocks with respective data sub-blocks for storing data stripes, wherein the first parity check block and the second parity check block are disposed in different disks.
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