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Hard-disk cold data verification method, device and equipment and readable storage medium of computer

A verification method and cold data technology, applied in the storage field, can solve problems such as permanent data loss, reduce the workload of verification, improve safety and reliability, and avoid huge losses.

Active Publication Date: 2018-03-20
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a hard disk cold data verification method, which solves the problem of permanent data loss caused by untimely data verification, and improves the reliability of data storage

Method used

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  • Hard-disk cold data verification method, device and equipment and readable storage medium of computer

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Embodiment Construction

[0037] At present, the verification of cold data is generally to verify the data of the entire hard disk periodically, and this verification method can improve the reliability of the hard disk data to a certain extent. However, this method of all verification requires a huge workload and high cost, which means that the cycle time for verifying data cannot be too short. And if the cycle time is too long, although the workload and cost of verification can be reduced to a certain extent, if the data in a certain area is wrong, because it has not been verified for a long time, with the increase of time, the number of errors in this area will increase. There may be more and more data, and eventually all the associated data that can restore the data in this area are all wrong, resulting in the problem that the data cannot be recovered and is permanently lost. And for each area on the hard disk, there is no definite time period from data error to data being completely unrecoverable, ...

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Abstract

The invention discloses a hard-disk cold data verification method. The method includes the following steps that the temperature parameter of each area on a hard-disk base plate is obtained in real time; in the first preset time period, whether an area with the temperature parameter greater than the preset temperature threshold exists in each region or not is judged; if yes, data of the area with the temperature parameter greater than the preset temperature threshold is checked; in the second preset time period, data which is not checked and recovered in each region is checked; the first presettime period is longer than the second preset time period. The problem that the temperature is too high, data errors are caused, the wrong data is not checked timely and thus data can not be completely recovered is solved, and the data safety and reliability are improved. The invention further discloses a hard-disk cold data verification device and equipment and a readable storage medium of computer which have the above advantages.

Description

technical field [0001] The present invention relates to the field of storage technology, in particular to a hard disk cold data verification method, device, equipment and computer-readable storage medium. Background technique [0002] Cold storage (cold data) stores infrequently used data, such as various infrequently used historical order data stored on various e-commerce websites. Generally, a large number of bottom-end commercial hard disks are used to form a redundant hard disk array to ensure The speed and capacity requirements for historical data access are met. However, a large number of low-end commercial hard disks have the inevitable bit decay problem, which refers to the slow deterioration of the performance and integrity of the data stored in the storage medium. Complete idleness or excessive wear, contaminants such as dust, background radiation, and high heat can increase the incidence of bit rot. [0003] At present, in order to avoid deterioration of the per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07G06F11/30
CPCG06F11/07G06F11/3058
Inventor 王志浩
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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