Raid1 and raid4 mixed structure network storage system and method

A hybrid structure and network storage technology, which is applied in the field of RAID1 and RAID4 hybrid structure network storage systems, can solve problems such as performance bottlenecks in centralized redundant management methods, and data that cannot be accessed normally.

Inactive Publication Date: 2016-08-17
TIANJIN ZHONGKE BLUEWHALE INFORMATION TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a RAID1 and RAID4 mixed structure network storage system and method for the performance bottleneck problem of the centralized redundancy management method and the problem that data cannot be accessed normally in the case of a node failure

Method used

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  • Raid1 and raid4 mixed structure network storage system and method
  • Raid1 and raid4 mixed structure network storage system and method
  • Raid1 and raid4 mixed structure network storage system and method

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Embodiment Construction

[0103]In order to make the technical solution of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0104] see Figure 1 to Figure 3 , a network storage system 100 with a mixed structure of RAID1 and RAID4, which is used to connect with an application server 200 to perform data writing or reading operations, and includes multiple logically independent redundancy groups 110:

[0105] The structure of the redundancy group 110 is a mixed structure of RAID1 and RAID4;

[0106] The redundancy group 110 includes a plurality of data nodes 111 and a check node 112:

[0107] The data node 111 is used to cache the data block of the write operation when the redundancy group 110 receives a write operation request from the application server 200; and use the RAID1 mode to send the data block of the write operation to the check node 112 to form RAID1 mirroring;

[0108] T...

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Abstract

The invention discloses an RAID1 and RAID4 hybrid structure network storage system and method. The system comprises a plurality of redundancy groups which are logically independent. Each redundancy group is of an RAID1 and RAID4 hybrid structure and comprises a plurality of data nodes and one check node. The data nodes are used for catching write operation data blocks. The write operation data blocks are sent to the check nodes in an RAID1 mode to form an RAID1 mirror image. The check nodes are used for catching the write operation data blocks and forming an RAID4 redundancy strip with data blocks, with the same logic address, of the other data nodes of the redundancy groups, asynchronous redundancy computing is conducted and data migration instructions are sent after checked information is stored. The data nodes are further used for receiving the data migration instructions and migrating the write operation data blocks to an RAID4 data set. The RAID1 and RAID4 hybrid structure network storage system and method effectively solve the problem that in a concentrated redundancy management method, a control node becomes the performance bottleneck.

Description

technical field [0001] The invention relates to the field of computer storage, in particular to a RAID1 and RAID4 mixed structure network storage system and method. Background technique [0002] Redundant Arrays Of Independent Disks (RAID) technology is a storage method that provides enhanced redundancy, capacity and storage performance, and has strong manageability, reliability and availability. Through redundant computing, RAID technology can reduce system capacity overhead on the premise of meeting reliability requirements. The research of applying RAID technology to network storage system has experienced the development process from centralized control to distributed control, from single RAID mode to mixed RAID mode. In large-scale network storage systems, due to the need to consider the impact of complex network environments on performance, some storage systems use a hybrid RAID mode. [0003] Among them, AutoRAID puts the recently used data in the high-performance ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06H04L29/08
Inventor 许鲁郭明阳杨琳
Owner TIANJIN ZHONGKE BLUEWHALE INFORMATION TECH
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