Data block processing method and apparatus, and computer readable storage medium

A processing method and technology of a processing device, which are applied in electrical digital data processing, input/output process of data processing, calculation, etc., can solve the problems of low data storage reliability and high error bit rate, etc., to improve product competitiveness, Improve reliability, ensure the error rate of the whole disk and the effect of QOS

Inactive Publication Date: 2019-03-29
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In read-intensive application scenarios, when reading open blocks, a high bit error rate (BER) is often generated, resulting in low reliability of data storage

Method used

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  • Data block processing method and apparatus, and computer readable storage medium
  • Data block processing method and apparatus, and computer readable storage medium
  • Data block processing method and apparatus, and computer readable storage medium

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Embodiment Construction

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0038] In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] Next, a data block processing method provided by an embodiment of the present invention is introduced in detail.

[0040] figure 1 A flowchart of a data block processing method provided by an embodiment of the ...

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PUM

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Abstract

The embodiment of the invention discloses a data block processing method and apparatus and a computer-readable storage medium. The data block processing method includes: judging whether each data block has data writing in a preset time or not; When there is a target data block in which no data is written within a preset time, invalid data can be filled in the target data block, and a flag for stopping the writing of data is set for the target data block, and no new data is written in the target data block at this time, thereby reducing the influence of the new data writing on the target data block. And the invalid data is filled in the target data block, which improves the reliability of the actual data in the target data block. Especially in the read-intensive application scenario, it effectively reduces the BER when reading data blocks, so as to ensure that the read BER of data blocks is maintained at a low level, ensure the whole disk error rate and QOS, and effectively improve thecompetitiveness of SSD products.

Description

technical field [0001] The present invention relates to the technical field of data storage, and in particular, to a data block processing method, apparatus and computer-readable storage medium. Background technique [0002] Flash memory (NAND flash memory) is a long-life non-volatile memory that can still retain stored data information in the event of a power failure. At present, 64-layer 3D TLC NAND has become the mainstream NAND in the solid state drive (Solid State Drives, SSD) market. [0003] 3D NAND includes multiple data blocks (blocks), and each block includes multiple data pages (pages). At present, the read-intensive business scenarios in the data center account for a relatively large proportion. In this scenario, the amount of data written by users is small, so the time interval between the completion of the first page writing of a block and the completion of the last page writing will be relatively short. Long, we call the state of the block during this period...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0607G06F3/064G06F3/0679
Inventor 秦文政
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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