Method and host for accessing cluster file system

A cluster file system and host technology, applied in transmission systems, electrical components, protection of internal/peripheral computer components, etc., can solve problems such as inconvenient management, disk damage, insecure data access, etc., to avoid access errors, The effect of avoiding data corruption

Active Publication Date: 2016-07-20
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when different host groups access the same disk, since there is no communication between the hosts in different host groups, this may cause damage to the disk, resulting in unsafe data access, and it is not easy to control in management

Method used

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  • Method and host for accessing cluster file system
  • Method and host for accessing cluster file system
  • Method and host for accessing cluster file system

Examples

Experimental program
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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] figure 2 The flow chart of the method for accessing the cluster file system provided by the embodiment of the present invention, such as figure 2 As shown, the specific steps are as follows:

[0039] Step 200: For any cluster file system m, create a unique host group m that can access the cluster file system m, assign a summary or universally unique identifier (UUID, Universally Unique Identifier) ​​to the host group m, and each host group m in the host group m Configure the address of the cluster file system m, the summary or UUID of the host group m on a host, and configure the disk location information of the summary or UUID of the host group m at the same time.

[0040] Wherein, the disk location where the summary or UUID of the host group m is located refers to which location of the summary or UUID of the host group m ...

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Abstract

The invention provides a method and host computers for visiting a cluster file system. The method comprises the following steps: host computers format all disks where the accessible cluster file system is located; after formatting, a unique identifier of the host computer cluster is written into one of the disks where the cluster file system is located; when any one of the host computers accesses the cluster file system, data on disks corresponding to the cluster file system is read, and whether the read data conforms to the unique identifier of the host computer cluster is judged; if yes, accessing of the cluster file system is started; otherwise, accessing of the cluster file system is given up. The method and the host computers avoid error and data corruption during accessing the cluster file system.

Description

technical field [0001] The invention relates to the technical field of a cluster file system (ClusterFileSystem), in particular to a method and a host for accessing a cluster file system. Background technique [0002] The cluster file system (ClusterFileSystem) is a file system used for simultaneous access by multiple physical server nodes. Cluster file systems are generally used in high-availability (HA, High-availability) and load balancing processing; different vendors in the industry have launched a variety of cluster file systems, and there are also open source cluster file system implementations. [0003] A list of hosts that can access the file system is generally configured in the cluster file system. A host list is a collection of physical hosts that can access the cluster's file system. Lists of hosts form a group called a host group. For ease of use in management, the name of the cluster file system is generally consistent with the name of the host group. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06F21/80H04L29/08
Inventor 郭中华
Owner NEW H3C TECH CO LTD
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