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Memory system based on virtual interface

A virtual interface and storage system technology, applied in the field of computer storage, can solve problems such as excessive communication overhead, reduced I/O bandwidth, and affecting network storage response speed, etc., to reduce communication overhead, improve utilization, and shorten critical paths Effect

Inactive Publication Date: 2009-04-08
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

For large blocks of continuous storage system data, TCP / IP is used for transmission, and the communication overhead is too large, which reduces the effective I / O bandwidth of the network and affects the response speed of network storage.

Method used

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  • Memory system based on virtual interface
  • Memory system based on virtual interface

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Embodiment Construction

[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0031] figure 1 It is a schematic diagram of the structure of the present invention. The storage system 100 based on the virtual interface of the present invention includes M storage service node machines 110.1~110.m, metadata node machines 120.1, N client node machines 130.1~130.n and a high-speed VIA network 140 connecting these nodes. Any node among the client node machines 130.1-130.n can accept the assignment of the metadata node machine 120.1 to establish a connection with a remote user from the wide area network (WAN), and complete the function of the storage gateway.

[0032] attached figure 2 It is the basic software modules running on each node machine in the present invention and the relationship diagram between the modules.

[0033] The system initialization module 111, the request monitoring module 112 and the request processing module 113 ru...

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Abstract

The invention includes M pieces of node machines for storage service, one node machine of metadata and N pieces of client node machines, which are connected to each other through VIA communication network. Running on the node machines for storage service, the modules include system initiation module, module for monitoring request, and module for processing request. Running on the node machine of metadata, the modules include metadata initiation module, monitoring module for request from metadata, and state detection module. Running on the client node machine, the modules include one or more device drive modules of network module based on VIA. The invention realizes zero copy of data transmission, shortened path of network stored data, as well as solves main issues of network storage: network bandwidth, storage access speed and interoperability.

Description

technical field [0001] The invention belongs to the technical field of computer storage, and in particular relates to a storage system based on a virtual interface. Background technique [0002] With the continuous development of high-performance computing, Internet and other technologies and the surge in the amount of modern information data, many important computer application fields, especially storage-intensive applications, have a great impact on the capacity, bandwidth, I / O response time, and Performance technical indicators such as scalability put forward higher requirements. For this reason, various network storage architectures such as network-attached storage system NAS and storage area network SAN have been proposed and implemented, which alleviate the bottleneck of the storage system to a certain extent. However, most of the existing network storage systems use the TCP / IP protocol for communication transmission, and TCP / IP itself is not designed for storage syst...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06G06F12/00
Inventor 冯丹王芳施展陈俭喜田磊周可李洁琼庞丽萍
Owner HUAZHONG UNIV OF SCI & TECH
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