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Shared disk management method and system

A management method and shared disk technology, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve problems such as data corruption, to avoid data corruption, ensure data security and service continuity, The effect of ensuring the continuity of business processing

Active Publication Date: 2015-03-04
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Claims
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Problems solved by technology

[0002] In the current cluster storage, shared disks are already a relatively common high-availability implementation method. However, when shared disks are used in clusters, they may be mounted and provide services at the same time, resulting in data corruption. How to avoid this situation of shared disks? One problem, ensuring data security is a very important problem

Method used

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Embodiment Construction

[0019] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0020] figure 1 Shown is the flow chart of the shared disk management method in Embodiment 1 of the present invention, including the following steps:

[0021] Step 101: pre-setting the UUID for the disk device;

[0022] The unique disk device in the cluster is identified by UUID (Universally Unique Identifier). The unique disk device in the cluster is marked by UUID, that is, the name of the disk device is replaced by UUID, and the uniqueness of UUID is used to mark the disk device, so as to ensure that the disk device in the cluster is unique and distinguish different disk devices from each other.

[0023] Step 102: When the disk device is mounted by a node device and provides services, shield ot...

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Abstract

The invention provides a shared disk management method and system. The method comprises the following steps that a UUID (universally unique identifier) is set for a disk device in advance; when the disk device is hung and carried by a node device and provides service, mounting requests of other node devices are shielded; after the use completion of the disk device by the node device mounting the disc device, a disk management device is triggered to select a target node device from other node devices according to preset selection strategies. The method and the system have the advantages that the UUID of a shared disk device in a cluster is realized, meanwhile, the data security and the service continuity of data on the shared disk device are ensured, and the problem of data damage is effectively avoided.

Description

technical field [0001] The invention belongs to the field of disk management, in particular to a shared disk management method and system. Background technique [0002] In current cluster storage, shared disks are already a relatively common high-availability implementation method. However, when shared disks are used in clusters, they may be mounted at the same time and provide services at the same time, resulting in data corruption. How to avoid this situation of shared disks? One problem, to ensure data security, is a very important problem. Contents of the invention [0003] The present invention provides a shared disk management method and system to solve the above problems. [0004] The invention provides a shared disk management method. The above method comprises the following steps: [0005] Set the universal unique identification code UUID for the disk device in advance; [0006] When the disk device is mounted by a node device and provides services, it shields...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/062
Inventor 张敬海
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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