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Data backup method and device, equipment and storage medium

A data backup and equipment technology, applied in the field of cloud storage, can solve the problem of shortening the data retention period

Pending Publication Date: 2022-03-25
ZHEJIANG UNIVIEW TECH CO LTD
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  • Summary
  • Abstract
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Problems solved by technology

When the storage capacity of a single storage node in the cluster reaches the storage limit, the cluster needs to be expanded, and the balanced storage space on a single storage node is reduced after expansion compared to before expansion, so that some storage time on a single storage node does not reach The data with the storage period is deleted, resulting in a shortened retention period of the data stored by the storage node

Method used

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

Examples

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the specific technical solutions of the application will be further described in detail below in conjunction with the drawings in the embodiments of the present application. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0027] In order to better understand the present application, the nouns and terms involved in the embodiments of the present application will be described before the embodiments of the present application are further described in detail. The nouns and terms involved in the embodiments of the present application are applicable to the following explanations.

[0028] 1) Cluster, a system composed of a group of storage nodes, can provide users with a group of network resources as a whole. For users, they are not aware of the storage nodes at the bottom of the...

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Abstract

The embodiment of the invention discloses a data backup method, and the method comprises the steps: migrating the data of at least one second device in a cluster to at least one resource node before the capacity expansion of the cluster; wherein the at least one resource node is located on at least one first device to be added into the cluster; and under the condition that the data migration is completed, adding the at least one first device into the cluster. In addition, the embodiment of the invention further discloses a data backup device and equipment and a storage medium.

Description

technical field [0001] The embodiment of the present application relates to the technical field of cloud storage, and relates to but not limited to a data backup method, device, device, and storage medium. Background technique [0002] With the development of the Internet industry, a large amount of data needs to be stored, and cloud storage can gather many storage nodes to work together through functions such as cluster applications, grid technology, or distributed file systems, and provide external data storage and business access. When the storage capacity of a single storage node in the cluster reaches the storage limit, the cluster needs to be expanded, and the balanced storage space on a single storage node is reduced after expansion compared to before expansion, so that part of the storage time on a single storage node does not reach The data of the storage period is deleted, resulting in shortening the retention period of the data stored by the storage node. Conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1466G06F11/1448
Inventor 张鹏国李愿波丁强朱世峰
Owner ZHEJIANG UNIVIEW TECH CO LTD
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