Storage medium management method
A storage medium and management method technology, applied in the field of storage medium management, can solve the problems of low efficiency of the exchange area and unstable performance of the storage medium, and achieve the effect of avoiding the problem of unstable performance, eliminating uneven wear, and being easy to implement.
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[0026] refer to image 3 , showing a schematic diagram of the logical block and physical block mapping relationship in the first embodiment of the present invention. This embodiment is applied to flash memory media (FLASH), and a comparison table is made in the entire storage medium, but the storage medium is only divided into multiple logical domains. Areas are not divided into physical domains, and each logical area can be compared to the physical blocks of the entire storage medium. When a certain logical address is accessed, the comparison table of the area where the logical address is located is loaded into the memory.
[0027] In this embodiment, a swap block (swap) is also provided, and the exchange of physical blocks is realized by sharing the swap block, thereby eliminating the problem of unbalanced wear and tear of physical blocks.
[0028] Specifically, assuming that the storage medium has m physical blocks in total, the logical address is divided into L areas, whi...
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