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A management method and device for a network storage system

A storage system and network storage technology, applied in the field of network storage system management methods and devices, can solve the problems of inability to synchronize data between a primary storage system and a secondary storage system, inability to synchronize data write requests, business interruption, etc., and achieve automatic fault recovery function, avoid erroneous manual behavior, avoid business interruption effect

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

AI Technical Summary

Problems solved by technology

[0004] When the network between the primary storage system and the secondary storage system is disconnected, the primary storage system cannot know the working status of the secondary storage system, and the secondary storage system cannot know the working status of the primary storage system. The storage system and the secondary storage system will compete for application services. At this time, the following split-brain problem may occur: both the primary storage system and the secondary storage system provide data write request services for the application server, but the communication between the primary storage system and the secondary storage system The data write requests cannot be synchronized, resulting in the out-of-synchronization of data in the primary storage system and the secondary storage system; or, neither the primary storage system nor the secondary storage system provides data write request services for the application server, which will cause business interruption
[0006] In the above method, business will be interrupted. Maintenance personnel need to monitor whether the network between the primary storage system and the secondary storage system is disconnected in real time. Incorrect manual actions may lead to data loss

Method used

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  • A management method and device for a network storage system
  • A management method and device for a network storage system
  • A management method and device for a network storage system

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Embodiment Construction

[0042] The terminology used in the present invention is for the purpose of describing specific embodiments only, not limiting the present invention. As used herein and in the 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 "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0043] It should be understood that although the terms first, second, third, etc. may be used in the present invention to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present invention, first information may also be called second information, and similarly, second information may also be called first information. Dep...

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Abstract

The invention provides a management method and device of a network storage system. The method comprises the following steps: obtaining the first state information of a first storage system and the second state information of a second storage system; utilizing the first state information and the second state information to determine the fault situation of the network storage system; and when the fault situation is that the network storage system has faults, utilizing the fault situation to determine that the storage system which provides data request service is the first storage system or the second storage system. Through the technical scheme of the invention, the data request service of a master storage system or a slave storage system does not need to be manually suspended, service interruption is avoided, manual operations are reduced, and wrong manual behaviors brought by the manual operations are avoided. A fissure problem in a remote mirror image can be solved, an automatic fault recovery function is provided, and dual protection of no service interruption and no data loss is provided.

Description

technical field [0001] The invention relates to the technical field of storage, in particular to a management method and device for a network storage system. Background technique [0002] As the three basic fields of information technology, computing, transmission, and storage are constantly evolving in the tide of information. With the rapid expansion of user data, computing and storage are gradually separated, and storage forms an independent network storage system. The independent network storage system can provide larger storage space, expand capacity according to user needs, and provide more professional protection measures for user data, such as RAID (Redundant Arrays of Independent Disks, Redundant Array of Independent Disks) , snapshot, clone, remote copy, remote mirror, etc. Among them, remote mirroring is one of the basic features provided by the network storage system. The main working principle is to make two identical copies of user data and store them in two i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14G06F3/06
CPCG06F3/0662G06F3/067G06F11/1464
Inventor 扈海龙
Owner MACROSAN TECH
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