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Saving method of data and device thereof

A storage device and data technology, applied in the field of communication, can solve problems such as inability to save energy, high hard disk failure rate, data loss, etc., and achieve the effects of reducing consumption, increasing service life, and increasing security

Inactive Publication Date: 2010-09-08
NEW H3C TECH CO LTD
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Problems solved by technology

[0005] However, the writing of monitoring data is real-time (for example, 24×7 hours per week), resulting in that in each disk cabinet, almost all disks are running, (that is, 15 disks in each disk cabinet Disks need to be rotated), which does not have the effect of saving energy, and will increase the wear and tear of the hard disk, resulting in hard disk failure
It can be concluded from practical applications that when the RAID5 array works in this mode of operation, the failure rate of the hard disk is very high.
As the running time increases, when two disks fail, the risk of data loss will increase significantly

Method used

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  • Saving method of data and device thereof
  • Saving method of data and device thereof
  • Saving method of data and device thereof

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Embodiment Construction

[0041] In the present invention, by selecting a main array and a backup array from multiple arrays, and writing data to the main array and the backup array, only when the data written in the main array exceeds a preset threshold (for example, the main array is full) data), the primary and backup arrays will be reselected.

[0042] In the process of selecting the primary array and the backup array, the selection can be made according to the data writing times of each array and the number of times that each array is used as a backup array, so that the number of times each array is used as a primary array and the number of times that each array is used as a backup array are not much different, thus Make full use of each disk in the storage device, reduce the wear and tear of the disk in the disk cabinet, and increase the service life of the storage device. Moreover, it can ensure that only a small number of hard disks are running on each disk cabinet, and the combination of disk ...

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Abstract

The invention discloses a saving method of data, comprising the following steps: selecting a main array and a backup array from a plurality of arrays; when the saving of data in the memory device is required, writing data into the main array and the backup array; and when the data written into the main array exceeds the preset threshold value, saving the data in the main array. The consumption of a disc is reduced, and the service lives of the disc and the device are prolonged.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a data storage method and device. Background technique [0002] RAID (Redundant Array of Inexpensive Disks, Redundant Array of Disks) is a high-performance, high-reliability storage technology that provides logical storage for application terminals or terminal clusters by combining a series of individual disks in different ways disk. Among them, the advantages of using RAID include: expanding disk capacity, improving disk read and write performance, and data security. [0003] Specifically, RAID technology has been widely used in various occasions of data storage, long-used RAID technology includes RAID0, RAID1, RAID5, RAID6, RAID10, etc.; wherein, RAID0 does not have redundancy capability, and RAID1 is not a complete disk array; However, RAID5, RAID6, and RAID10 are composed of multiple disks (for example, no less than 3 disks for RAID5 and RAID6, and no less than 4 dis...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F11/14G06F1/32
Inventor 蔡斌
Owner NEW H3C TECH CO LTD
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