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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 effect of user transparency, high efficiency, and balanced erasing and writing times.

Active Publication Date: 2013-10-23
NATIONZ TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution uses software to schedule pages, which is opaque to users, and page data movement is completed by software, which is inefficient

Method used

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  • Data storage method, device and system
  • Data storage method, device and system
  • Data storage method, device and system

Examples

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Embodiment Construction

[0042] 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.

[0043] figure 1 It is a flow chart of the data storage method in the embodiment of the present invention. Such as figure 1 As shown, in this embodiment, the process of the data storage method includes the following steps:

[0044] Step 101, the logical address to be erased is N m The page, that is, the data to be written to the corresponding logical address is N m the physical page of

[0045] Wherein, the memory may be a non-volatile memory. The memory is composed of storage units. In this embodiment, the storage units are physical pages of the memory, and the size of each physical page can be determined as required.

[0046] figure 2 It is a schematic diagram of the storage structure of the memory in the p...

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Abstract

The invention relates to a data storage method, device and system. The data storage method is used for storing data in a specified logical address and includes obtaining the physical address of a dynamic storage unit and a storage unit corresponding to the specified logical address; writing data to be stored currently in the dynamic storage unit; modifying an address mapping relationship to enable the specific logical address to correspond to the physical address of the dynamic storage unit and taking the storage unit corresponding to the specific logical address as a new dynamic storage unit. According to the data storage method, device and system, the dynamic mapping of the page address of a storage is achieved through a dynamic page, address remapping can be started once by every erasion action, and a frequently-erased page can be automatically mapped to other pages, so that the erasion frequency of every pages can be balanced and further the integral erasable times of the storage can be increased, the service life of the storage can be prolonged and the reliability of the storage can be improved.

Description

technical field [0001] The present invention relates to the computer field, in particular to a data storage method, device and system. Background technique [0002] With the rapid development of integrated circuits, the use of non-volatile memory is becoming more and more extensive. Generally speaking, a non-volatile memory is composed of multiple page storage units (hereinafter referred to as pages). A page is the basic unit for erasing and writing a non-volatile memory. The lifetime of volatile memory. [0003] In practical applications, some data needs to be rewritten frequently, and the pages where these data are located are often erased and written. The upper limit of the erased and written times of these pages often determines the life of the non-volatile memory. [0004] At present, there is a method to improve the life of non-volatile memory: open up a space in the memory, record the number of erasing and writing of each page, and when the number of erasing and wri...

Claims

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Application Information

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IPC IPC(8): G06F12/06
Inventor 刘娟
Owner NATIONZ TECH INC
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