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Method and equipment used for backing up data

A technology for backing up data and equipment, applied in the computer field, can solve problems such as low backup success rate, high failure cost, and backup process failure, so as to improve the backup success rate and solve the problem of page breaks

Active Publication Date: 2016-11-23
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing backup tools use a limited number of waits and retries for pages with page breaks. After several failed attempts, the entire backup process will fail, and the cost of failure is high, and the backup needs to be re-initiated.
Due to the inability to deal with page breaks in the backup process well, the backup success rate of existing methods is low

Method used

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  • Method and equipment used for backing up data
  • Method and equipment used for backing up data
  • Method and equipment used for backing up data

Examples

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] figure 1 A device 1 for backing up data according to one aspect of the present application is shown, wherein the device 1 includes a first device 11 and a second device 12 .

[0030] Specifically, the first device 11 reads and detects whether the page of the data file has a page break problem; the second device 12 locks the page with the page break problem into a readable and unmodifiable state, and reads the page again. The page is copied to the backup set, and after the backup of the page is completed, the read-only and non-modifiable state of the page is unlocked.

[0031] Here, the device 1 includes, but is not limited to, user equipment, network equipment, or a device formed by integrating user equipment and network equipment through a network. The user equipment includes but is not limited to any mobile electronic product that can interact with...

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Abstract

The purpose of this application is to provide a method and device for backing up data. Specifically, read and detect whether the page of the data file has a page break problem; and lock the page with the page break problem into a readable and unmodifiable state, and re-read and copy the page to the backup set, and then release the page Locks the read-only, non-modifiable state of the page. Compared with the prior art, the method and device for backing up data described in the present application reads and detects whether a page of a data file has a page break problem, and uses a preemptive method to lock the page with the page break problem to be readable and unmodifiable. state to temporarily prevent subsequent data from continuing the writing process to the page. After the page quickly completes the writing process of the current data, the page is re-read and copied to the page in the backup set, so as to solve the problem well. The problem of page breakage in the backup process is eliminated, and the backup success rate is greatly improved.

Description

technical field [0001] The invention relates to the computer field, in particular to a technology for backing up data. Background technique [0002] In order to prevent unnecessary losses caused by hardware or other failures, it is usually necessary to back up the data in the database, so that the backup set can be used to restore data after a failure occurs, reducing data loss. Existing backup tools use a limited number of waits and retries for pages with page breaks. After several failed attempts, the entire backup process will fail, and the cost of failure is high, and the backup needs to be re-initiated. Because the page break problem in the backup process cannot be dealt with well, the backup success rate of the existing method is low. Contents of the invention [0003] The purpose of this application is to provide a method and device for improving the success rate of backing up data. [0004] According to one aspect of the present invention, a method for backing up...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
Inventor 赵建伟
Owner ALIBABA GRP HLDG LTD
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