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Data backup method and device

A data backup and data technology, applied in the field of storage systems, can solve the problems of long backup time and low backup efficiency

Inactive Publication Date: 2017-12-08
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the prior art backs up cloud data, it usually backs up all the specified data to the cloud, because sometimes we only change a little bit compared to the data of the previous version, and we still need to back up all the data when doing backup again, so that Each backup takes a long time and the backup efficiency is low

Method used

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

Examples

Experimental program
Comparison scheme
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Embodiment

[0053] figure 1 It is a flow chart of a data backup method provided by the embodiment of this application.

[0054] Such as figure 1 As shown, the method includes:

[0055] S101. Determine the data to be backed up;

[0056] Optionally, a data backup method provided in an embodiment of the present application is applied to a local data storage system, and the local data storage system can be used to store data to be backed up, and based on a data backup method provided in an embodiment of the present application, the Backup data is stored in the cloud.

[0057] S102. Based on a plurality of data blocks into which the data to be backed up is divided, determine incremental data in the data to be backed up, where the incremental data includes at least one data block in the plurality of data blocks;

[0058] Optionally, a data block division rule is preset, and the data to be backed up is divided into multiple data blocks by the data block division rule.

[0059]In the embodim...

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Abstract

The embodiments of the present application provide a data backup method and device. According to the data backup method and device, data to be backed up are determined; incremental data in the data to be backed up are determined based on a plurality of data blocks obtained by dividing the data to be backed up, wherein the increment data comprise at least one of the plurality of data blocks; a storage location in a cloud end, which is corresponding to the data to be backed up, is determined; and the incremental data are backed up to the storage location in the clod end; and therefore, the data backup of the cloud end can be realized with data backup efficiency improved.

Description

technical field [0001] The present application relates to the technical field of storage systems, in particular to a data backup method and device. Background technique [0002] With the rapid development of cloud technology, the application of cloud data backup in storage systems is becoming more and more extensive, which ensures greater data security. [0003] When the prior art backs up cloud data, it usually backs up all the specified data to the cloud, because sometimes we only change a little bit compared to the data of the previous version, and we still need to back up all the data when doing backup again, so that Each backup takes a long time and the backup efficiency is low. [0004] In view of this, it is an urgent problem to provide a data backup method and device to improve data backup efficiency. Contents of the invention [0005] In view of this, embodiments of the present application provide a data backup method and device, so as to improve data backup eff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F11/14
CPCG06F11/1448H04L67/1095
Inventor 邢云阳
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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