Data storage method, device and system
A data storage device and data storage technology, applied in the computer field, can solve the problems of user opacity and low efficiency, and achieve the effects of prolonging life, enhancing reliability, and balancing the number of erasing and writing.
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[0044] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0045] Before carrying out the data storage method of the present invention, need to do following setting work:
[0046] An address mapping space is set to save the address mapping relationship of each storage unit in the memory, that is, the corresponding relationship between the physical address and the logical address of each storage unit in the memory;
[0047] Set the cache unit identification bit to save the cache unit identification. The cache unit identifier can provide two aspects of information, one is whether there is data in the cache unit, and the other is indicating the logical address of the data in the cache unit when there is data in the cache unit. The cache unit identifier includes a valid identi...
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