Storage array configuration preservation and arbitration method

A technology for storage arrays and storage methods, which is applied in storage array configuration information storage and arbitration, storage array configuration information management fields, and can solve problems such as service configuration loss, inability to elastically expand, and data migration that cannot be arbitrated to export correct configurations, etc., to achieve high consistent effect

Active Publication Date: 2015-03-25
TOYOU FEIJI ELECTRONICS
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems in the prior art storage that the service configuration is lost due to the failure of the storage medium, cannot be elastically expanded, and cannot be arbitrated t...

Method used

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  • Storage array configuration preservation and arbitration method
  • Storage array configuration preservation and arbitration method
  • Storage array configuration preservation and arbitration method

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Embodiment Construction

[0043] The present invention provides a disk array configuration storage and arbitration method based on a heterogeneous platform, which is applied to storage devices. The content of the method of the present invention will be described in detail below by taking an embodiment as an example in conjunction with the accompanying drawings:

[0044] like figure 1 As shown, according to step 1, each disk is divided into the following areas, of which the first 16KB is the RAID metadata area, 32MB is the RAID bad block remapping area, the last 64MB of the data area is the configuration information storage area, and the last 512Byte is Configuration information metadata area, the middle is the RAID data area;

[0045] According to step 2, before configuring the storage, as a preference, the configuration data can be packaged, according to figure 2As shown, the configuration metadata size, md5, sequence, serial_num and magic_num are calculated according to the packaged configuration d...

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Abstract

The invention relates to a storage array configuration preservation and arbitration method and belongs to the technical field of computer storage. The preservation method comprises the following steps: firstly dividing a configuration area and a configuration metadata area from a single disc; then obtaining system configuration data, compressing and packing the system configuration data and calculating configuration metadata from the compressed and packed system configuration data; successively, writing the configuration metadata into configuration metadata areas of all discs in a storage array; finally, writing the configuration data into configuration areas of all of the discs in the storage array. The arbitration method comprises the following steps: firstly reading the configuration metadata of all of the discs; then selecting candidate export discs according to system serial numbers and certain rules; successively, ruling out the export disc from the candidate export discs according to MD5 and a sequence; then exporting the configuration data from the export disc, decompressing, and preserving for later use of a system. Compared with a traditional configuration management method, the storage array configuration preservation and arbitration method has the benefits that storage configuration can be furthest restored; a storage system without configuration management is subjected to forward compatibility, so that system upgrade is facilitated.

Description

technical field [0001] The invention relates to a method for managing configuration information of a storage array, in particular to a storage and arbitration method for configuration information of a storage array, and belongs to the technical field of computer storage. Background technique [0002] With the emergence of broadband, mobile Internet, Internet of Things, social networks, and cloud computing, the era of big data is coming quietly. The US Internet Data Center pointed out that the data on the Internet will increase by 50% every year, and it will double every two years. At present, more than 90% of the data in the world have only been generated in recent years. [0003] With the development of big data, large-scale storage arrays are increasingly used to store and manage enterprises and data due to their high-capacity, high-performance, and high-reliability characteristics of organizing multiple single disks. Huge data in centers and computing centers. Usually, ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0629
Inventor 钱文刘磊王道邦王清翰罗华周泽湘方仑
Owner TOYOU FEIJI ELECTRONICS
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