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Large-scale cluster system and building method thereof

A large-scale cluster and cluster technology, applied in the field of network information, can solve problems such as system downtime, affecting node service quality, and inability to effectively maintain online status, so as to ensure load balance, improve high availability redundancy and stability performance, good scalability

Active Publication Date: 2010-07-14
SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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Problems solved by technology

When the number of service nodes reaches hundreds or even thousands of service nodes, the current general cluster high availability mechanism will no longer be stable and reliable. For example, the cluster high availability heartbeat signal will not be able to effectively maintain the online status of these nodes, and as the service nodes As the number increases, once one or more nodes fail, the entire cluster system will enter a state of shock, which will significantly affect the service quality of all nodes, and in severe cases will cause the entire system to go down

Method used

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  • Large-scale cluster system and building method thereof
  • Large-scale cluster system and building method thereof

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Embodiment Construction

[0031] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention.

[0032] It should be noted that, if there is no conflict, the embodiments of the present invention and various features in the embodiments can be combined with each other, and all are within the protection scope of the present invention. In addition, the steps shown in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, the sequence may be different. The steps shown or described are performed in the order herein.

[0033] figure 1 It is a schematic composition diagram of an embodiment of the cluster system of the present in...

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Abstract

The invention discloses a large-scale cluster system and a building method thereof, which are used for improving high availability redundancy of the cluster system. The system mainly comprises a shared memory module, a sub-cluster and a dispatching node, wherein the shared memory module is used for providing a memory function and a data high availability service function; the sub-cluster is used for carrying out data mapping with the shared memory module, providing the data high availability service function and carrying out parallel input and output with outside; and the dispatching node is used for monitoring the working condition of the sub-cluster, maintaining the mapping relation between the sub-cluster and the shared memory module, and dispatching input and output load. The invention greatly improves high availability redundancy and stability of the large-scale cluster system.

Description

technical field [0001] The invention relates to network information technology, in particular to a large-scale cluster system and its construction method. Background technique [0002] For large-scale cluster systems, such as large-scale high-performance computing clusters, network-attached storage (NAS) cluster storage systems, etc., the high availability of service nodes is generally constructed in pairs (Active-Active) high availability or all service node clusters are highly available ( Cluster HA) method. [0003] In a cluster system built by two-two high-availability methods, when one of the two service nodes (assuming node A) fails, the other node (assuming node B) will lose high-availability protection. If node B fails again at this time , the entire cluster system will go down, so the cluster system built by the two-two high-availability method has the problem of insufficient high-availability redundancy. Moreover, the load balancing capability of the cluster syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/08
Inventor 张立强
Owner SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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