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Disk reconfiguration method and disk reconfiguration device

A disk and target disk technology, applied in the storage field, can solve problems such as data loss and incomplete disk data, and achieve the effect of reducing loss and quickly restoring business

Active Publication Date: 2013-04-17
浙江杭海新城控股集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with this existing processing method, some data on the failed disk will be lost, for example, the data in the area corresponding to the unreadable area on the failed disk will be lost, resulting in incomplete disk data after reconstruction

Method used

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  • Disk reconfiguration method and disk reconfiguration device
  • Disk reconfiguration method and disk reconfiguration device
  • Disk reconfiguration method and disk reconfiguration device

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] The terms "disk" and "hard disk" involved in this embodiment of the present invention have basically the same meaning. The disk is a device disk that can read and write through magnetism. It can be a non-volatile storage medium, and the saved files will not be lost after power failure. The hard disk is to put the storage pieces of the disk into a hard metal box to get better protection.

[0047] The disk reconstruction involved in the embodiment of the...

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Abstract

An embodiment of the invention provides a disk reconfiguration method and a disk reconfiguration device and relates to the field of storage. By disk reconfiguration method, data loss can be reduced or avoided, and user services can be quickly restored. The disk reconfiguration method includes steps of restoring data of a first member disk according to data of a second member disk except the first member disk in an RAID (redundant array of independent disks) group when the first member disk in the RAID group is in fault, and storing the restored data to a target disk; before restoring fault of the first member disk, subjecting the target disk containing the restored data to substituting for the first member disk as a member disk in the RAID group; and reconfiguring correspondingly according to the restored first member disk after restoring the fault of the first member disk. The disk reconfiguration method and the disk reconfiguration device in the embodiment are used for reconfiguration of faulted disks in the array of independent disks.

Description

technical field [0001] The invention relates to the field of storage, in particular to a disk reconfiguration method and device thereof. Background technique [0002] Redundant Array of Independent Disks (RAID), formerly known as Redundant Array of Inexpensive Disks (RAID), is a disk group or hard disk formed by combining multiple independent disks or hard disks. Groups can also be called logical hard disks. Multiple disks in a disk group are mutual member disks. [0003] RAID technology is one of the most commonly used technologies in the storage field. It virtualizes multiple disks or hard disks into a large-capacity disk or hard disk. It can speed up the overall storage speed through parallel reading and writing, and can use redundant error correction technology to achieve certain fault tolerance, thus providing higher storage performance and data backup capability than a single disk or hard disk of the same capacity. [0004] In the prior art, after a certain disk fai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/16G06F11/07
CPCG06F11/2056G06F11/1092
Inventor 何孝金覃中熊伟
Owner 浙江杭海新城控股集团有限公司
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