Method for realizing block protocol interface based on cluster storage system

A technology for cluster storage and system implementation, applied in data exchange details, numbering/character counting of messages, input/output to record carriers, etc., can solve problems such as inability to provide block interface services, limit expansion, etc., and achieve good promotion and use Effect of value, good usability, good price-performance ratio

Active Publication Date: 2010-05-05
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the currently applied storage cluster system only provides file interface services and cannot provide block interface

Method used

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  • Method for realizing block protocol interface based on cluster storage system
  • Method for realizing block protocol interface based on cluster storage system

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Experimental program
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Embodiment

[0025] A method for implementing a block protocol interface based on a cluster storage system of the present invention includes a cluster storage system, and deploys a virtual block interface module on each data node of the cluster storage system to realize functions such as virtual address mapping and write-time allocation, and to the upper layer The SCSI Target program provides a block device interface; the virtual block interface module includes a block device export module, a virtual address mapping module, a write-time allocation module, and an SCST Target program; the block device export module is connected to the cluster storage volume of the cluster storage system, and the virtual address mapping module, The allocation-on-write modules are all connected to the block device export module, and the SCST Target program is connected to the virtual address mapping module and the allocation-on-write module.

[0026] The block device export module is responsible for exporting a...

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Abstract

The invention discloses a method for realizing a block protocol interface based on a cluster storage system, belonging to the field of computer and network information technology. A virtual block interface module is respectively arranged at every data node of the cluster storage system, so that the functions of virtual address mapping, writing distribution and the like can be realized, and a block device interface can be provided for upper layer SCSI Target program; the virtual block interface module comprises a block device export module, a virtual address mapping module, a writing distribution module and SCSI Target program; the block device export module is connected with a cluster storage volume of the cluster storage system, the virtual address mapping module and the writing distribution module are respectively connected with the block device export module, and the SCSI Target program is connected with the virtual address mapping module and the writing distribution module. Based on the high performance, expandability, availability and cost performance of the cluster storage system, the method realizes the block interface storage service, and meets the rapidly development demand of the current information processing and storage.

Description

technical field [0001] The invention relates to the field of computer and network information technology, in particular to a method for realizing a block protocol interface based on a cluster storage system. Background technique [0002] With the development of computer and network technology and the improvement of social informatization, many large-scale applications facing massive data have emerged one after another. The performance requirements of these applications for storage devices have gradually increased to the GB level, while traditional disk arrays generally only have one or With two controllers, the number of data interfaces is only 2-4. A single array has reached the limit of physical hardware and is expensive when meeting GB-level bandwidth requirements. However, the bandwidth requirements of some video and high-performance computing applications have already reached tens of GB. The use of ordinary single-controller and dual-controller arrays is no longer suita...

Claims

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Application Information

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IPC IPC(8): G06F3/06H04L12/08
Inventor 张立强
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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