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Data incremental backup method and device, equipment, and storage medium

A technology for incremental backup and data, applied in database indexing, electronic digital data processing, structured data retrieval, etc., can solve the problem of large storage space occupation, and achieve the effect of reducing backup storage space occupation

Pending Publication Date: 2021-11-30
SICHUAN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of this invention is to provide a data incremental backup method, device, equipment and computer storage medium, aiming to solve the technical problem of large storage space occupation during data backup

Method used

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  • Data incremental backup method and device, equipment, and storage medium
  • Data incremental backup method and device, equipment, and storage medium
  • Data incremental backup method and device, equipment, and storage medium

Examples

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no. 6 example

[0119] Based on the above embodiments, a sixth embodiment of the data backup method of the present invention is proposed, and the incremental data backup method specifically includes:

[0120] The business host obtains the source data that needs to be backed up by scanning the data in the database; compares the existing source data at the time of the last backup with the source data obtained by scanning, and finds the new or changed data in the source data as the source data to be backed up. The backup data is sent to the disaster recovery system; after the disaster recovery system receives the data to be backed up, it recognizes the identification information in the data to be backed up, obtains the existing full backup data of the last backup stored in the memory, and combines the existing full backup data with the to-be-backed up data The backup data is saved in association, so as to obtain new full backup data.

[0121] This solution uses the full backup data of the last b...

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PUM

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Abstract

The invention discloses a data incremental backup method and device, equipment, and a storage medium, and is applied to a user terminal. The method comprises the following steps: obtaining source data; determining data to be backed up in the source data, wherein the data to be backed up is newly added or changed data in the source data relative to existing source data at the last backup moment; sending the to-be-backed-up data to a disaster recovery system end, so so to enable the disaster recovery system end to generate currently backed-up complete backup data according to existing complete backup data backed up last time and the to-be-backed-up data. According to the method and the device, a incremental backup strategy and a complete backup strategy are combined to form a new synthetic backup strategy for data backup, so that repeated data storage does not exist in disaster recovery systems, and the occupation of backup storage space is greatly reduced.

Description

technical field [0001] The invention relates to the field of data backup, in particular to a data incremental backup method, device, equipment and storage medium. Background technique [0002] With the rapid development of enterprise IT informatization, enterprises and institutions rely more and more on IT systems. In order to deal with possible unexpected situations at any time, to ensure that the business data of enterprises will not be lost and restored in time, and to avoid losses to enterprises, usually in A disaster recovery system is established on the cloud to ensure the safety of enterprise operations. Through the disaster recovery system, the daily data generated by the enterprise is stored in the disaster recovery system, so that when a disaster occurs, the business system of the enterprise can be restored in time through the backup data of the disaster recovery system to reduce the loss of the enterprise. [0003] Traditional disaster recovery systems generally ...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F16/22
CPCG06F11/1451Y02A10/40
Inventor 李贝贝周计徐可意李涛朱永彬
Owner SICHUAN UNIV
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