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SYSTEM AND METHOD FOR EXPLOITING HARD DISK DRIVE CAPACITY RESERVE AND EXTENDING OPERATING LIFE THEREOF
SYSTEM AND METHOD FOR EXPLOITING HARD DISK DRIVE CAPACITY RESERVE AND EXTENDING OPERATING LIFE THEREOF
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机译:开发硬盘驱动器容量储备并延长其使用寿命的系统和方法
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摘要
A method of accessing data stored in a storage disk of a storage system includes the steps of receiving a read operation to a sector of the storage disk and in response to an error returned from the read operation, determining whether the sector is to be replaced. If the sector is determined to be replaced, the method further includes replacing the sector with a spare sector. The data previously stored at the replaced disk sector are reconstructed and written to the spare sector, and the LBA assigned to the replaced sector is reassigned to the PBA associated with the spare sector.
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