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A method based on block-level cloud storage load balancing optimization

A load balancing and cloud storage technology, applied in the direction of electrical components, transmission systems, etc., can solve the problem of lack of detailed and unified management of heterogeneous storage devices, so as to speed up the average I/O response time, speed up the response time, and improve the I/O The effect of O throughput

Active Publication Date: 2015-08-12
HANGZHOU DIANZI UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It needs to be improved to some extent on the problems of local optimal load balancing, breakpoint retransmission, and lack of detailed and unified management of heterogeneous storage devices.

Method used

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  • A method based on block-level cloud storage load balancing optimization
  • A method based on block-level cloud storage load balancing optimization
  • A method based on block-level cloud storage load balancing optimization

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings and implementation methods.

[0035] refer to figure 1 , figure 2 with image 3 Execute steps to illustrate the implementation process of the present invention:

[0036] 1. When the system is unbalanced in load, the iSCSI connections on the two selected volume servers that need to be load balanced are encoded, encoded into a 0 / 1 string, and used as the initial chromosome s.

[0037] 2. As described in step 1, perform k mutations on the initial chromosome s to generate k offspring s 1 , s 2 , …, s k as the initial population.

[0038] 3. As described in step 2, calculate the fitness values ​​of all individuals in the population and their cumulative probabilities. In order to prevent individuals with excellent genes from being forcibly destroyed, the present invention adopts an elite retention strategy, that is, after each offspring is produced, it is comp...

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Abstract

The invention discloses a load balancing optimizing method based on block level cloud storage. According to the method, a heteromorphosis part of a genetic algorithm is added to a load balancing strategy to improve accuracy of the strategy to search globally optimal solution as far as possible; simultaneously, a breakpoint resume function facing an internet small computer system interface (ISCSI) is designed, so that when a volume server is reselected for ISCSI reconnection, users which are uploading data needn't upload the data again, a system can automatically continue uploading from the breakpoint, and the reliability of the system is improved; and by means of existing isomerism storage environments, a hierarchical storage management mechanism based on volume life cycle is provided, and advantages and characteristics of different storage devices are fully utilized to further improving access efficiency of the system. The load balancing optimizing method can be used for solving the load balancing problem of a cloud storage system in the technical field of computer storage.

Description

technical field [0001] The invention relates to the technical field of computer storage, in particular to a device for optimal management of block-level cloud storage based on load balancing multi-volume servers. Background technique [0002] Cloud storage is an extension and development of the concept of cloud computing. It refers to the collection of various heterogeneous storage devices in the network to work together through cluster technology, distributed file system, grid technology, etc., to provide external security to users. , reliable and efficient data storage and data access services. [0003] According to the different storage levels it provides, cloud storage can be divided into two categories: file-level cloud storage and block-level cloud storage. File-level cloud storage mainly refers to distributed file systems, which provide file-level storage access services through network file system access protocols; block-level cloud storage provides users with origi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 张纪林张剑亮万健陈恂任永坚周丽蒋从锋殷昱煜任祖杰
Owner HANGZHOU DIANZI UNIV
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