File system and file management method based on custom open channel SSD
A file management method and open channel technology, which is applied in the file system and file management field based on custom open channel SSD, can solve the problems that the maximum performance of NAND flash memory cannot be exerted, so as to improve data recovery ability, avoid frequent write-back, and improve The effect of capacity
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] Such as figure 1 As shown, it is a schematic diagram of a storage structure of a file system based on a custom Open Channel (Open Channel) SSD (Solid State Disk, Solid State Disk) provided by an embodiment of the present invention, and the SSD includes a flash memory. The flash memory in this embodiment can be the NAND flash memory included in the SSD, and the flash memory includes a plurality of blocks with the same storage capacity (according to the specifications of different manufacturers, the capacity of the block can be 16MB, 32MB, etc.), and Each block has a unique block address. Th...
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