Data reading method and device for storage equipment, terminal equipment and storage medium

A technology for data reading and storage devices, which is applied in electrical digital data processing, input/output process of data processing, instruments, etc. It can solve the problem of insignificant improvement of data reading efficiency of storage devices, waste of time and resources, and inability to timely Issues such as starting data preparation

Active Publication Date: 2018-09-21
ZHONGSHAN JIANGBOLONG ELECTRONICS CO LTD
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Problems solved by technology

[0003] However, since the memory unit addresses corresponding to a series of data read commands sent by the host computer are randomly out of order, that is, it is likely that multiple consecutive data read commands will act on the same chip select storage area of ​​the flash, which leads to Other chip selection storage areas of the flash cannot start data preparation in time, resulting in a waste of time and resources
Therefore, the effect of adopting traditional interleaved access technology on improving the data reading efficiency of storage devices is not significant

Method used

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  • Data reading method and device for storage equipment, terminal equipment and storage medium
  • Data reading method and device for storage equipment, terminal equipment and storage medium
  • Data reading method and device for storage equipment, terminal equipment and storage medium

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Embodiment Construction

[0022] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0023] Embodiments of the present invention provide a data reading method and device for a storage device, a terminal device, and a computer storage medium, which can significantly improve the data reading efficiency of the storage device.

[0024] see figure 1 , a first embodiment of a method for reading data from a storage device in an embodiment of the present invention includes:

[0025] 101...

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Abstract

The invention relates to the technical field of storage equipment, and puts forward a data reading method and device for storage equipment, terminal equipment and a storage medium. The data reading method comprises the following steps that: obtaining a plurality of data reading commands issued from a principal computer; analyzing the plurality of data reading commands to independently obtain a physical address corresponding to each data reading command, wherein the physical address comprises the chip selection address and the memory unit address of flash; and according to a sequence of firstlytraversing the chip selection address and then traversing the memory unit address, submitting the data reading command to the controller of the flash to enable the controller to execute the receiveddata reading commands in sequence. By use of the method, the data reading commands are sorted according to the sequence of firstly traversing the chip selection address and then traversing the memoryunit address, so that each chip selection memory area of the flash can begin data preparation work in time, and the data reading efficiency of the storage equipment is obviously improved.

Description

technical field [0001] The present invention relates to the technical field of storage devices, and in particular to a data reading method, device, terminal device and computer storage medium of a storage device. Background technique [0002] In the current storage devices such as SSD, the storage chip generally uses flash. When reading data, because the flash reads data is an asynchronous operation process, that is, the host computer sends the data read command to the flash first, and then it needs to wait for the flash to read the data. The host computer can start receiving data only when the data is ready. For this feature, currently interleaving technology is usually used to improve the data reading efficiency, that is, interleaving technology is used between multiple channels of flash and multiple chip selection storage areas to offset the data preparation time of flash . [0003] However, because the memory unit addresses corresponding to a series of data read comman...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0658G06F3/0679G06F3/0659
Inventor 唐江梁小庆李志雄邓恩华
Owner ZHONGSHAN JIANGBOLONG ELECTRONICS CO LTD
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