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Data backup method, device, electronic equipment and system

A data backup and backup technology, applied in the field of cloud backup, can solve problems such as low backup performance, and achieve the effect of improving backup rate, optimizing read performance, and improving incremental backup performance

Pending Publication Date: 2022-02-08
NEW H3C BIG DATA TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a data backup method, device, electronic equipment and system to solve the problem of low backup performance

Method used

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  • Data backup method, device, electronic equipment and system
  • Data backup method, device, electronic equipment and system
  • Data backup method, device, electronic equipment and system

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Embodiment Construction

[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0061] The embodiment of the present invention provides a data backup system, such as figure 1 As shown, the source data terminal 10 and the server terminal 20 are included. Wherein, the source data terminal 10 is used for storing original data, for example, storage volumes, etc.; the server terminal 20 runs a cloud service, such as OpenStack, for backi...

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Abstract

The invention relates to the technical field of cloud backup, in particular to a data backup method, device, electronic equipment and system, and the method comprises the steps of obtaining backup attribute information, where the backup attribute information comprises a first snapshot identifier of last backup, a second snapshot identifier of current backup and a data length; sending the backup attribute information to a source data end; and receiving incremental data fed back by the source data end based on the backup attribute information so as to write the incremental data into target object storage. The incremental data determination process is processed at the storage end, only incremental data fed back by the storage end needs to be processed locally, all data does not need to be processed, and the data reading speed is greatly increased; and the determination of the incremental data and the processing of the incremental data are processed in parallel, so that the whole reading performance is optimized, and the incremental backup performance is improved.

Description

technical field [0001] The invention relates to the technical field of cloud backup, in particular to a data backup method, device, electronic equipment and system. Background technique [0002] At present, more and more enterprises choose to migrate their data to the cloud, and most commercial cloud platform software almost adopts the OpenStack architecture. Cloud-based backup has become an indispensable rigid requirement for enterprises. At present, the OpenStack backup program reads the volume data according to a fixed size, calculates the SHA256 value and compares it with the SHA256 value of the last backup. If there is incremental data, it is backed up. It is necessary to compare all the volumes after reading them. [0003] Specifically, when doing a full backup of a volume (that is, volume), each time the data of the first byte (for example, chunk_size bytes) is read from the volume, starting from LBA=0, SHA is performed every sha_block_size bytes Calculate (chunk_siz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1448G06F11/1458
Inventor 罗成凤
Owner NEW H3C BIG DATA TECH CO LTD
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