A file backup method, device and computing device

A technology for computing equipment and file backup, applied in computing, file system, file system management, etc., can solve problems such as large backup space, backup files cannot be generated in real time, and file and directory backups are not systematically formed.

Active Publication Date: 2022-03-18
UNIONTECH SOFTWARE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this solution, the backup takes up a lot of space, and the backup file needs to be manually created through tools. The backup file cannot be generated in real time. Moreover, the backup directory and the backup file have a single corresponding relationship, and the backup of files and directories is not systematic.

Method used

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  • A file backup method, device and computing device
  • A file backup method, device and computing device
  • A file backup method, device and computing device

Examples

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Embodiment Construction

[0029] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0030] figure 1 is a schematic block diagram of an example computing device 100 .

[0031] Such as figure 1 As shown, in a basic configuration 102 , computing device 100 typically includes system memory 106 and one or more processors 104 . A memory bus 108 may be used for communication between the processor 104 and the system memory 106 .

[0032] Depending on the desired configuration, processor 104 may be any type of processin...

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Abstract

The invention discloses a file backup method, device and computing equipment, wherein the method includes the steps of: reading the original file in the disk into the memory to obtain a cache file; receiving one or more write operations to the cache file, according to The write operation modifies the cache file to obtain a new cache file; writes the new cache file to disk to generate a file snapshot corresponding to the current point in time; and writes the new cache file back to original file on disk. According to the technical solution of the present invention, the automatic file modification process and the double backup of the initial file are realized, which is applicable to various file systems.

Description

technical field [0001] The invention relates to the technical field of computers and operating systems, in particular to a file backup method, backup device and computing equipment. Background technique [0002] As a terminal device of an information system, a computer often has a large amount of file data on its operating system. In order to prevent accidental loss or modification of system files, the operating system usually provides backup tools for backing up directories or files. [0003] In the prior art, there is a technical solution for backing up files through the snapshot function provided by the file system. For example, the btrfs file system can generate snapshots in the form of sub-volumes, and use the snapshot files as backup files. This technical solution, through the snapshot function provided by the file system itself, can only back up the files in the file system, so the snapshot function is limited to a specific file system. For example, under the Linux s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14G06F16/11
CPCG06F11/1448G06F16/128
Inventor 高冲叶青龙贺毅涛潘晨博贾镇源
Owner UNIONTECH SOFTWARE TECH CO LTD
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