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Virtual cluster-oriented shared memory system

A shared storage, virtual cluster technology, applied in the direction of input/output to the record carrier, etc., to achieve the effect of high efficiency

Active Publication Date: 2016-01-13
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

However, most work has been largely limited to improving communication between virtual machines on the same physical machine, usually by exploiting host memory sharing to optimize message passing mechanisms

Method used

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  • Virtual cluster-oriented shared memory system
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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention 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 invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0033] The present invention provides a virtual cluster-oriented shared storage system. The shared storage system is composed of two network-interconnected physical hosts, and the physical hosts include a plurality of virtual machines, a shared storage space and a virtual machine service module; The virtual machine includes a virtual device, a device driver module, and a user programming interfa...

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Abstract

The invention provides a virtual cluster-oriented shared memory system, which belongs to the technical field of computer memory. A system main body part consists of two hosts which are in interconnection through a network. Each host mainly comprises shared memory modules used for forming a shared memory space, a plurality of virtual machines, and virtual machine service modules which provide relevant services for the virtual machines; and each virtual machine mainly comprises one virtual machine, an equipment driving module in a kernel space, and an access interface module for an application program to be called. The invention provides the novel distributed shared memory system and has the features that a mechanism is provided for the information transfer of the virtual machines on different physical machines so as to realize shared memory programming semantics in a cloud virtual cluster. The invention provides the user-mode programmable shared memory space for a user layer, shared memory read-write efficiency is guaranteed and intervention on a client kernel layer and a virtual machine monitoring layer is prevented.

Description

technical field [0001] The invention belongs to the technical field of computer storage, in particular to a virtual cluster-oriented shared storage system. Background technique [0002] The reason why cloud computing is becoming more and more popular is mainly based on its superiority to some computing services in terms of performance and cost. Virtual cluster is a main operating environment in the cloud. Compared with traditional high-performance computing platforms, virtual cluster has more advantages in serving high-performance computing applications. These advantages are mainly reflected in its easy scalability, reconfigurable rows and maintainability. However, compared with traditional clusters, the distributed programming semantics of virtual clusters have not changed to a large extent, which greatly hinders a large number of shared storage applications from effectively utilizing cloud resources in virtual clusters. [0003] Research on shared storage systems for tra...

Claims

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Application Information

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IPC IPC(8): G06F3/06
Inventor 曾令仿肖子良冯丹张泽浩
Owner HUAZHONG UNIV OF SCI & TECH
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