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Method and device for recovering deleted storage file and storage medium

A technology for storing files and restoring methods, which is applied in the direction of responding to errors, error detection of redundant data in calculations, and instruments. It can solve problems such as file loss and difficulty in recovery, so as to improve reliability and avoid disorder. the effect of the situation

Pending Publication Date: 2020-04-10
SHENZHEN WONDERSHARE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a recovery method for deleted stored files, a file recovery device and a computer-readable storage medium, aiming to solve the problem that files are lost and difficult to recover due to equipment reasons or accidental deletions.

Method used

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  • Method and device for recovering deleted storage file and storage medium
  • Method and device for recovering deleted storage file and storage medium
  • Method and device for recovering deleted storage file and storage medium

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Embodiment Construction

[0039] It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0040] The main solution of the present invention is:

[0041] Determine whether there is an association between the data packets of the storage file;

[0042] If there is an association, splicing the associated data packets;

[0043] Restore the spliced ​​data packet to the memory to obtain the restored storage file.

[0044] Since the current method for restoring stored files after deletion mainly aims at the problem of difficulty in restoring storage files after deletion when storage files with a large amount of data are not continuously stored, the present invention provides a method for restoring stored files after deletion, a file recovery device and The computer-readable storage medium judges whether there is an association between the data packets of the stored file, and when there is an association, the associat...

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Abstract

The invention discloses a method for recovering a deleted storage file. The method comprises the following steps: judging whether data packets of the storage file are associated or not; if the association exists, carrying out splicing processing on the associated data packets; and recovering the spliced data packets to a memory to obtain a recovered storage file. The invention further discloses afile recovery device and a computer-readable storage medium. After the storage file is deleted, the associated data packets are found from the data packets of the storage files for splicing, so that the splicing of continuous cluster files can be realized, the splicing of cross-cluster files can also be realized, and the reliability of recovery after the storage file is deleted is improved.

Description

Technical field [0001] The present invention relates to the technical field of data recovery, and in particular to a recovery method, a file recovery device and a computer-readable storage medium after a storage file is deleted. Background technique [0002] Driven by digital transformation, people’s demand for data storage capacity is getting higher and higher, making some larger files such as video files appear more in daily life, and file loss due to accidental deletion, etc. The situation is also increasing. [0003] At present, for large data files such as video, the main storage carrier is SD card, and the file system adopted by SD card is mostly fat32\fat16\exfat. The feature of these file systems is that the fat table will be cleared after the file is deleted. Therefore, the specific location of the file on the storage medium cannot be obtained, and the content of the file can only be retrieved for recovery based on the starting position of the found file. However, the st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1469G06F11/1456
Inventor 王志雄
Owner SHENZHEN WONDERSHARE SOFTWARE CO LTD
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