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Block stage network memory access method

A network storage and access method technology, applied in the field of network storage access, can solve problems such as complex implementation and limited cross-platform application capabilities, and achieve simple results

Inactive Publication Date: 2009-04-29
徐广斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of complex implementation of existing computer network storage technology and limited cross-platform application capability of network storage access, the present invention proposes a network storage access method on a computer network in a network environment, especially a block-based remote Network storage access method for accessing storage resources of server

Method used

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Embodiment Construction

[0013] Hereinafter, the present invention will be described in detail with reference to the drawings.

[0014] Such as figure 1 , BSAN is a method of sector (block)-based management and access to server storage device blocks. It is divided into two parts: server and client, which are located in the physical drive layer and application layer of the client and server respectively. The BSAN server is responsible for managing storage devices on the server, assigning storage device blocks to each user, and responding to client requests for server storage device operations. The client operating system and application programs are stored in the storage image on the server. Each image stores an operating system and corresponding application programs. These storage images are shared by all the clients in the system. In addition, the BSAN server stores the server's The storage device is divided into storage device blocks of different sizes, and BSAN allocates one or more storage device bloc...

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Abstract

The present invention provides a network storage access method which is suitable for distributed computer systems. The network storage access method consists of a client module BSANC and a server module BSANS and the method comprises the steps of a client computer being powered up, the BSANC being initialized automatically, establishing virtual storage device interfaces, operation commands such as read, write and the like of a local access disk are packaged into transmission messages and the transmission messages then being sent to a server of a network, BSANS module on the server operates the virtual hard disk files according to logic sector numbers, converting physical sector numbers of the client computer into logic sector numbers of the server, finding corresponding positions from the disk mirroring files, returning the content of the blocks corresponding to the positions back to the client computer, and if the operation is writing, writing the content of the write requirement into the position.

Description

Technical field [0001] The invention relates to a network storage access method on a computer network, in particular to a network storage access method for a client to remotely access storage resources of a server based on block. Background technique [0002] In the existing related technologies, network storage technology is a common method for computers to remotely access storage resources. The current popular network storage technologies are mainly represented by the following two: storage area network technology (Storage Area Network, SAN) and network attached storage technology (Network Attached Storage, NAS). They all realize the access to the data on the storage device through the IP network. The main difference between the two is that SAN accesses data resources on the same operating system platform, while NAS can access data files on different operating system platforms. But whether it is SAN or NAS, their implementation is complicated, and they cannot complete the work ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L12/933
Inventor 徐广斌
Owner 徐广斌
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