Data backup method and electronic device

A technology for data backup and electronic equipment, the redundancy applied in the operation is used for data error detection, response error generation, etc., which can solve the problems of capacity disappearance and loss of recovery function, and achieve the effect of large-capacity data backup.

Active Publication Date: 2018-03-16
SHENZHEN YILIAN INFORMATION SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many users have to make a choice between convenience and disk capacity, either delete the preload partition, lose the recovery function, or endure the loss of 1 / 10 of the capacity

Method used

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  • Data backup method and electronic device
  • Data backup method and electronic device
  • Data backup method and electronic device

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Embodiment Construction

[0048] Hereinafter, a data backup method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0049] Before describing the data backup method according to the embodiment of the present invention, the principle of the data backup method according to the embodiment of the present invention is first described. In this embodiment, the backup of the operating system is taken as an example for description, but it should be noted that the data backup method according to the embodiment of the present invention can be applied not only to backup the operating system, but also to backup various types of data.

[0050] In addition, the meanings of some terms involved in this application are as follows:

[0051] Preload: preinstalled, refers to a software system prefabricated in an electronic device

[0052] SSD: solid state drive, solid state storage system using electronic storage mechanisms such as flash

[0053...

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PUM

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Abstract

The invention provides a data backup method and electronic equipment. The data backup method is applied to the electronic equipment. The electronic equipment comprises a nonvolatile memory. The data backup method comprises the steps that data are written into the nonvolatile memory; snapshots of the data are established, and the data, corresponding to the snapshots, serves as a protected area which cannot be rewritten; a current mapping table is copied, and corresponding relations of physical addresses of the data corresponding to the snapshots in the nonvolatile memory and logical addresses of the data are established in the mapping table; the mapping table which serves as an initial mapping table is stored into a particular area of the nonvolatile memory.

Description

technical field [0001] The present invention relates to the field of electronic equipment, and more particularly, the present invention relates to a data backup method of non-volatile memory and electronic equipment. Background technique [0002] At present, almost all electronic devices have an operating system pre-installed before leaving the factory. To this end, a preload partition is provided in the storage device of the electronic device for recovery of the preinstalled system. The purpose of this partition is to back up the current pre-installed system so that the user can restore to the factory state if something goes wrong. Although the content of this partition is exactly the same as the system in use in the user's system when it leaves the factory, because the user's system will change during use, although this change is not large, for example, the Windows system is installing a service pack (service pack) containing major updates. pack), it only changes by no m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14
Inventor 李洪伟
Owner SHENZHEN YILIAN INFORMATION SYST CO LTD
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