A method and device for accessing storage resources

A technology for storage resources and access methods, applied in transmission systems, electrical components, etc., can solve problems such as high technical difficulty, limited hardware design and software design complexity, and difficult implementation, achieving strong scalability and simple technical solutions Ease of operation and improved reliability

Active Publication Date: 2019-02-26
MACROSAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although expanding the number of internal controllers of a storage device can continuously improve the reliability of the storage device, it is difficult to implement due to the complexity of hardware design and software design.

Method used

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  • A method and device for accessing storage resources
  • A method and device for accessing storage resources
  • A method and device for accessing storage resources

Examples

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Embodiment Construction

[0042] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0043] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides an access method and device for a storage resource. The method comprises: when a storage node in a storage system receives an IO (Input Output) request sent by an application server, acquiring an entity LUN (Logical Unit Number) corresponding to LUN identification information and a home storage node of the entity LUN from a local recorded LUN relation table entry according to the LUN identification information carried in the IO request; when the home storage node of the entity LUN is not the storage node, forwarding the IO request to the home storage node of the entity LUN, so that the home storage node of the entity LUN submits the IO request to the entity LUN for processing; after the IO request is processed, forwarding the processing result to the storage node receiving the IO request by the home storage node of the entity LUN, and returning the processing result to the application server by the storage node receiving the IO request. By adopting the method and the device, the reliability of the storage system can be effectively improved; the technical solution is simple and feasible; and the expandability of the system is strong.

Description

technical field [0001] The present application relates to the technical field of network storage, and in particular to a storage resource access method and device. Background technique [0002] In today's society, information systems have become an important support for social production capacity and the normal operation of enterprises. Data is the cornerstone of information systems, and business continuity is the guarantee for the availability of information systems. More and more users choose to store data in dedicated storage systems. . For high-end storage users, the reliability of the storage system is relatively high, and the controller is the core component of the storage system, which completes key functions such as data sending and receiving, data storage, and data protection. Fault tolerance and front-end access paths are important indicators to measure the reliability of storage systems. [0003] At present, the common multi-control storage system is a dual-cont...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/1097
Inventor 上官应兰扈海龙
Owner MACROSAN TECH
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