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Method for realizing shared storage pool by utilizing Linux global file system

A file system and shared storage technology, applied in transmission systems, electrical components, etc., can solve the problems of limited maintenance and management of stand-alone file systems, unfavorable information communication and updating, and lack of unified scheduling of cluster resources.

Inactive Publication Date: 2012-09-12
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Traditional cluster nodes usually use a local stand-alone file system, so that multiple cluster nodes share files and need to store data copies on each node, which is not only not conducive to information communication and update, but also causes waste of storage resources
The stand-alone file system is limited to local-level maintenance and management, lacks unified scheduling of cluster resources, and has high management costs. The stand-alone file system is also limited to single-point data disaster recovery capabilities, and lacks cluster-style failover / recovery capabilities
[0004] With the growing popularity of cluster applications and the increasingly large-scale development trend, the traditional local OS-level file system is no longer suitable for storage requirements

Method used

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  • Method for realizing shared storage pool by utilizing Linux global file system
  • Method for realizing shared storage pool by utilizing Linux global file system
  • Method for realizing shared storage pool by utilizing Linux global file system

Examples

Experimental program
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Embodiment Construction

[0014] The method of the present invention is described in detail below with reference to the accompanying drawings.

[0015] figure 1 It shows the deployment of the global file system on a traditional SAN-style storage network architecture. The global file system is deployed on a shared storage block device, and each client node mounts the global file system locally to realize the shared storage pool function.

[0016] figure 2 It is a hierarchical display of the design method of using the global file system to realize the shared storage pool. It is divided into three areas: system form, entity tools and functional characteristics.

[0017] The present invention deploys the Linux global file system in the storage SAN device to realize the design method of the shared storage pool of the cluster. First, under the Linux environment of the cluster node, a logical volume management tool is used to establish a logical storage volume in the SAN storage device block, and then the s...

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Abstract

The invention provides a method for realizing a shared storage pool by utilizing a Linux global file system. A Linux global file system (GFS) is arranged in an SAN storage network, thereby realizing a small-scale cluster shared storage pool. According to the method, a shared storage pool for unified management, parallel reading and writing, data protection and elastic expansion can be provided for cluster nodes; SAN equipment-based cluster storage file system configures a physical storage raw device into a flexible logical storage volume group; storage space that is shared globally and is oriented to a node group is established on the logical volume group; a client mounts a GFS to a local end to realize parallel reading and writing operation on the file system; and a distributed log management system and a fault node isolation mechanism provide functions of data protection and disaster recovery for a shared storage pool.

Description

technical field [0001] The invention relates to the field of cluster shared storage, in particular to a method for realizing a shared storage pool by using a Linux global file system. Background technique [0002] The shared storage pool is a cluster storage system that provides file sharing, parallel read and write, unified management and data disaster recovery capabilities for the cluster. [0003] Traditional cluster nodes usually use a local stand-alone file system, so that multiple cluster nodes share files and need to store data copies on each node, which is not only not conducive to information communication and update, but also causes waste of storage resources. The stand-alone file system is limited to local-level maintenance and management, lacks unified scheduling of cluster resources, and has high management costs. The stand-alone file system is also limited to single-point data disaster recovery capabilities and lacks cluster-style failover / recovery capabilities...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 程凯
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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