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Hard disk backboard system architecture supporting redundant RAID and RAID redundancy method

A hard disk backplane and system architecture technology, applied in the server field, can solve problems such as difficulty in ensuring system stability and storage array failure

Inactive Publication Date: 2019-10-22
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the defects in the prior art, the present invention provides a hard disk backplane system architecture supporting redundant RAID, aiming at solving the problem that when the main RAID card is abnormal in the prior art, the hard disk array connected to it also fails together. In severe cases, the entire storage array will be paralyzed, and it is difficult to ensure the stability of the system operation

Method used

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  • Hard disk backboard system architecture supporting redundant RAID and RAID redundancy method
  • Hard disk backboard system architecture supporting redundant RAID and RAID redundancy method
  • Hard disk backboard system architecture supporting redundant RAID and RAID redundancy method

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Embodiment Construction

[0031]Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, and therefore are only examples, and cannot be used to limit the protection scope of the present invention.

[0032] figure 1 A schematic structural diagram of the hard disk backplane system architecture supporting redundant RAID provided by the present invention is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown in the figure.

[0033] The hard disk backplane system framework supporting redundant RAID comprises the first RAID card 1, the second RAID card 2 and the SGPIO control chip 3 arranged on the hard disk backplane, and the SAS interface of the first RAID card 1 is connected to the hard disk respectively. The main PORT port of each hard disk...

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Abstract

The invention relates to the technical field of servers, and provides a hard disk backboard system architecture supporting redundant RAID and an RAID redundancy method. The hard disk backboard systemarchitecture supporting the redundant RAID comprises a first RAID card, a second RAID card and an SGPIO control chip; the SAS interface of the first RAID card is connected with the master PORT port, the SAS interface of the second RAID card is connected with the slave PORT port, and the SGPIO control chip is provided with a first SGPIO interface and a second SGPIO interface; the SGPIO control chipis used for controlling the main card to be switched on when the main card breaks down and controlling the state of the hard disk indicating lamp by using the SGPIO signal of the normal RAID card, so that the redundant design of the RAID card is realized, once the main card fails, the slave cards are automatically switched to continue working, the stable operation of the whole hard disk backboard system architecture is ensured, and the safety performance of the disk storage array is improved.

Description

technical field [0001] The invention belongs to the technical field of servers, and in particular relates to a hard disk backboard system architecture supporting redundant RAID and a RAID redundant method. Background technique [0002] Disk array (Redundant Arrays of Independent Drives, RAID) technology is widely used in the server field. Through the RAID card, multiple hard disks on the hard disk backplane can be composed of different RAID levels, which can increase the storage space, improve data storage speed and improve data storage. stability. For servers with many hard disk slots, the RAID card is usually connected to the hard disk through the SAS hard disk backplane. [0003] At present, the common SAS hard disk backplane only connects the master port on each SAS connector to the RAID card, and the slave port is not used. If the RAID card is abnormal, the hard disk array connected to it will also fail. In severe cases, the entire storage array will be paralyzed. Eve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/30G06F11/32G06F11/20G06F13/42
CPCG06F11/3037G06F11/325G06F11/2053G06F13/4282
Inventor 徐进
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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