Automatic reconstruction method for disk redundancy array device

A device and automatic technology that uses redundancy in computing for data error detection, response error generation, input/output to record carriers, etc., and can solve problems such as occupying hard disks

Inactive Publication Date: 2008-01-16
INVENTEC CORP
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  • Automatic reconstruction method for disk redundancy array device
  • Automatic reconstruction method for disk redundancy array device
  • Automatic reconstruction method for disk redundancy array device

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Embodiment Construction

[0032] Please refer to shown in Fig. 3, the automatic reconstruction method of RAID (redundant array of disks) equipment provided by the present invention is applied to storage equipment using RAID technology, such as storage servers such as NAS and SAN, or on other products, its steps Including: (A) storage device configuration information query program (step 100): first, read the configuration information of the storage device; (B) storage device status information query program (step 200): then, query the status information of the storage device, wherein Mainly comprise the position information of the status of RAID device and all hard disks; (C) storage device configuration information refresh program (step 300): according to state information, refresh the configuration information (Configuration) of storage device; And (D) automatic reconstruction program (step 400): according to the configuration information, add a new hard disk on the hard disk of the storage device as a...

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Abstract

Disclosed is a method for re-establishing RAID device automatically. The RAID device comprises plural member hard disks for one storage device which includes plural hard disks positions for setting plural hard disks. The method comprises following steps of: reading the configuration information of the storage device, in the configuration information having a hard disk position for re-establishing automatically; requiring the status information of the storage device; refreshing the storage device configuration information according to its status information; according to the configuration information of the storage device, when having one degrading member hard disk in the RAID device, adding one new hard disk to the hard disk position for re-establishing automatically, and re-establishing the RAID device.

Description

technical field [0001] The invention relates to an automatic rebuilding method, in particular to an automatic rebuilding method of a disk redundant array based on the position of a hard disk. Background technique [0002] Redundant Arrays of Inexpensive Disks (Redundant Arrays of Inexpensive Disks; RAID, hereinafter only replaced by RAID) equipment uses several hard disks to form a single storage device to provide larger capacity, faster access speed or data redundancy. These hard disks are called the member (Member) hard disks of this RAID device. According to the different data organization methods, it is divided into Linear, RAID-0, RAID-1, RAID-5, etc. Among them, RAID-1 and RAID-5 provide data redundancy function. [0003] As shown in Figure 1, it is the state and reconstruction operation of the RAID device. The data redundancy function means that when one or more members of the RAID device is damaged, the data on the RAID device remains intact. At this time, the RA...

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Application Information

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IPC IPC(8): G06F11/14G06F3/06
Inventor 刘文涵宋建福李东海
Owner INVENTEC CORP
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