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A method and device for realizing node information consistency in a distributed storage system

A technology for distributed storage and node information, applied in the field of methods and devices for realizing the consistency of node information in a distributed storage system, can solve the problems of inconsistent configuration information, operation failures, nodes unable to provide storage services for users, etc., and achieve block storage. Service normal effect

Active Publication Date: 2022-02-18
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the block storage service of a node fails or is shut down, the operation of adding the configuration information of the newly mapped volume to the configuration file of the node fails
When the node recovers from failure or starts up, it is inconsistent with the configuration information in the corresponding configuration files of other nodes, resulting in the node being unable to provide storage services for users

Method used

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  • A method and device for realizing node information consistency in a distributed storage system
  • A method and device for realizing node information consistency in a distributed storage system
  • A method and device for realizing node information consistency in a distributed storage system

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Embodiment Construction

[0042] In order to make the above objects, features and advantages of the present application more obvious and understandable, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0043] In order to facilitate the understanding of the technical solution provided by the present application, the background technology of the present application will first be described below.

[0044] The inventor found in the research on the configuration files of each node in the traditional modified distributed storage system that in the traditional technology, when creating a mapped volume, the system can add the configuration information of the mapped volume to the configuration file of each node in the cluster. However, when a node has a service exception, the system will send a service exception prompt to remind the user that the node is faulty and cannot add the configuration...

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Abstract

The embodiment of the present application discloses a method and device for realizing node information consistency in a distributed storage system. Specifically, a new mapping volume can be created according to a user's trigger operation, and the configuration information of the mapping volume can be set, and at the same time, it can detect whether the service of each node is normal , if the node service is normal, add the configuration information of the mapping volume in the configuration file corresponding to the node; When the node service returns to normal, the configuration information of the mapping volume is extracted from the node that has been added and synchronized to the configuration file of the node, so that the configuration information of each node in the distributed storage system remains consistent, thereby ensuring the security of each node in the system. The block storage service is normal.

Description

technical field [0001] The present application relates to the technical field of computer storage, in particular to a method and device for realizing node information consistency in a distributed storage system. Background technique [0002] With the rapid development of computer technology, users' demand for storage applications is also increasing. In order to meet the needs of large-scale storage applications, the distributed storage system adopts a scalable system structure, and uses multiple storage servers to divide the storage load, that is, integrate multiple storage servers together, and then disperse the data storage on multiple independent devices , improve storage efficiency. [0003] In practical applications, users can create mapping volumes in the distributed storage system according to their own needs, so as to store the data they need in the corresponding mapping volumes. When creating a mapped volume, the system will add the configuration information of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0614G06F3/0629G06F3/067
Inventor 赵慧慧
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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