Distributed storage system and node monitoring method thereof

A distributed storage and node technology, applied in the computer field, can solve the problems of heavy network load and long time-consuming node switching process, and achieve high availability, shortened time, and reduce network pressure.

Inactive Publication Date: 2020-01-31
北京浪潮数据技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of this application is to provide a distributed storage system and its node monitoring method, device and node, which are used to solve the problem that the current distributed storage system sets the same floating IP in all nodes, resulting in a large network load and the node switching process consumes long question

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  • Distributed storage system and node monitoring method thereof
  • Distributed storage system and node monitoring method thereof
  • Distributed storage system and node monitoring method thereof

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Embodiment Construction

[0035] The core of this application is to provide a distributed storage system and its node monitoring method, device and node, using the key-value pair storage and key-value pair monitoring functions of etcd to realize the high availability of the distributed storage system and reduce the inter-cluster network pressure, shortening the time-consuming node scheduling.

[0036] In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific implementation methods. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0037] The following introduces an embodiment of a dis...

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Abstract

The invention discloses a distributed storage system and a node monitoring method, device and node thereof. An etcd system is arranged at each node. On the basis, when a distributed storage system selects a target node for providing iSCSI service to the outside, the etcd system can create a target key value at the target node, and the target key value comprises a floating IP of the distributed storage system and a real IP of the target node. In addition, the etcd system can delete the target key value when the target node breaks down and generate a fault signal, so that the target node is reelected. Visibly, the high availability of the distributed storage system is realized by utilizing the key value pair storage and key value pair monitoring functions of the etcd, and the network pressure between clusters is greatly reduced as only one node needs to be provided with the floating IP. Moreover, due to the rapidity of the etcd monitoring notification, the floating IP node is scheduled by using the etcd, so that the node scheduling time is greatly shortened.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a distributed storage system and its node monitoring method, device and node. Background technique [0002] iSCSI is a storage technology based on the Internet and the SCSI-3 protocol. Thanks to the rapid development of the Internet, the use of iSCSI is becoming more and more popular. iSCSI, also known as IP-SAN, can provide block storage to multiple hosts that are physically not in the same area through the network. However, there is a defect in using iSCSI alone, that is, the iSCSI service needs to be provided through a host, and if the host providing the service fails, the entire storage service cannot be used, which is not acceptable in the actual production environment. [0003] Therefore, iSCSI is generally used in conjunction with distributed systems. In a distributed system, each node can provide complete services, so when one of the nodes fails, it can stil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/24
CPCH04L41/0668H04L67/1097
Inventor 章恩世
Owner 北京浪潮数据技术有限公司
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