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Hard disk failure handling method, array controller, and hard disk
Hard disk failure handling method, array controller, and hard disk
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机译：硬盘故障处理方法，阵列控制器和硬盘
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摘要
A hard disk failure handling method is disclosed. The hard disk failure handling method is performed by the array controller 101 of the storage array 100. The storage array 100 includes a plurality of hard disks 105, 106, 107, and 108. Each of the hard disks 105, 106, 107, and 108 is divided into a plurality of storage blocks, and a plurality of plurality of storage blocks of different hard disks 105, 106, 107, and 108 is a set of storage blocks through a redundancy algorithm. Configure. A hard disk failure processing method comprising: acquiring failure information of a failure area of a first hard disk in which a failure occurs; If the fault information indicates that data loss occurs in the fault region, determining a fault storage block in which the lost data is located; Recovering data of the failed storage block by using another storage block of the storage block set to which the failed storage block belongs; Storing the recovered data in the recovered storage-the recovered storage block is located on the second hard disk, and the second hard disk is a hard disk excluding the hard disk on which the storage block set is located; And recording a correspondence between the address of the data of the failed storage block of the first hard disk and the address of the recovered data block of the second hard disk.
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