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Dual-node high-availability distributed storage system

A distributed storage, dual-node technology, applied in the direction of database distribution/replication, generation of response errors, special data processing applications, etc., can solve problems that cannot be realized, and achieve the effect of wide applicability and simplified system design

Active Publication Date: 2020-08-04
716TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] If the existing distributed storage software wants to achieve high availability, it needs a deployment solution of at least 3 nodes. For some application scenarios, due to application scale and space constraints, it is desired to adopt a high-availability cluster solution of two nodes, which cannot be realized by existing technologies.

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  • Dual-node high-availability distributed storage system
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  • Dual-node high-availability distributed storage system

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Embodiment Construction

[0020] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0021] Distributed storage usually has high requirements for high availability. When a node fails, other nodes in the distributed storage cluster can take over the business of the failed node in a short time, thereby achieving high storage availability. In order to achieve high availability, distributed storage requires at least 3 nodes to form a cluster. For some application scenarios, due to the limitation of application scale and space, it is hoped to implement a distributed storage high availability solution with two nodes.

[0022] In one embodiment, combined with fi...

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Abstract

The invention discloses a dual-node high-availability distributed storage system, which comprises a distributed storage cluster consisting of a master node and slave nodes, and is characterized in that WEB service, a database, Zookeeper service and storage service are deployed on each node; each database is used for providing data storage service for WEB service, and each storage service is used for providing data storage service for the outside; when one node in the system breaks down, the management service and the storage service of the whole system are taken over by the other node, and high availability is achieved. High availability of WEB management service, cluster management service, storage data and the like is realized through a WEB service deployment mode, a master-slave database replication mechanism, a virtual IP mechanism, a virtual Zookeeper service mechanism and a double-copy redundant storage strategy. According to the invention, high availability of WEB management service, cluster management service, storage data and the like can be realized through double nodes. The system is simple in structure, can be suitable for application scenes with limited application scale and space, meets the requirements of various scenes, and is wide in applicability.

Description

technical field [0001] The invention belongs to the technical field of distributed storage high-availability design, in particular to a dual-node high-availability distributed storage system. Background technique [0002] Foreign data storage centers based on SDS technology have been widely researched and applied. For example, the back-end data analysis of companies such as Google, Amazon, and Microsoft are all based on distributed storage systems. In terms of SDS storage system software actually used in industrial environments, it is mainly based on open source software, such as Swift, HDFS, Ceph, FastDFS, MongoDB, etc. The improvement and improvement of stability and functionality, and more and more Chinese Small information companies are also transitioning their storage infrastructure to SDS architecture. [0003] If the existing distributed storage software wants to achieve high availability, it needs a deployment solution of at least 3 nodes. For some application scena...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/27G06F9/455
CPCG06F16/27G06F9/45558G06F11/0793G06F2009/4557Y02D10/00
Inventor 方新茂王伟强邓超路朗杨鸿斌祁德昊马若飞张延超王文坛李梦南
Owner 716TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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