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Method and device for organizing stored data

A technology for storing data and organizing devices, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., to achieve the effect of solving access conflicts, improving working life and user experience

Active Publication Date: 2021-08-06
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the purpose of the embodiments of the present invention is to propose a method and device for organizing stored data, which can solve the problem of hard disk access conflicts, and improve the working life and user experience of the hard disk.

Method used

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  • Method and device for organizing stored data

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0032] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0033] Based on the above purpose, the first aspect of the embodiments of the present invention proposes an embodiment of a method for organizing stored data that can solve the problem of hard disk access conflicts. figure 1 What is shown is a schem...

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Abstract

The invention discloses a storage data sorting method and device, comprising: locking the unlocked write-in page in the erase block involved in the defragmentation task request; Determine a valid logical block and extract valid information from it, and add a reclaimable mark to the written page; perform an erase on an erase block that includes all written pages with a reclaimable mark, and remove the erase block Reclaimable marking and locking of all written pages; determine a free low-wear erase block based on wear leveling to store valid information. The invention can solve the problem of hard disk access conflict, and improve the working life and use experience of the hard disk.

Description

technical field [0001] The present invention relates to the field of data storage, and more specifically, to a method and device for organizing stored data. Background technique [0002] With the continuous reduction in cost of SSD (flash memory) hard disks and the popularity of applications, the development of storage systems based on all-flash memory has also been put on the agenda. Although SSD has the characteristics of fast reading and writing, light weight, low energy consumption, and small size, it also has obvious disadvantages. For example, its service life is limited, that is, the data storage unit has a limit on the number of erasing and writing. In addition, invalid data erasure cannot be rewritten at will in units of bits like mechanical disks. To address these shortcomings, there are optimization methods in the existing technology, such as wear leveling, garbage collection, and bad block mapping, but they will conflict with daily reading and writing, affecting...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0607G06F3/0614G06F3/064G06F3/0676
Inventor 史顺玉
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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