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Solid state disk access method and storage equipment

A solid-state hard disk and storage device technology, applied in the computer field, can solve the problems of long data access delay and high CPU usage rate, and achieve the effect of reducing the usage rate and delay

Pending Publication Date: 2021-03-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a method and a storage device for accessing a solid-state hard disk to solve the problems of high data access delay and high CPU usage in the prior art

Method used

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  • Solid state disk access method and storage equipment
  • Solid state disk access method and storage equipment
  • Solid state disk access method and storage equipment

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Embodiment Construction

[0055]figure 1 An exemplary application scenario diagram applied to the method for accessing a solid-state disk in the embodiment of the present application, as shown in figure 1 As shown, the method can be applied to a distributed storage scenario. In a distributed storage scenario, a storage system may include multiple clients and multiple storage devices. Wherein, any client can access any storage device. The client may refer to a host on the user side, or a control device on the storage side. When the client refers to a host, a virtual block service (virtual block service, VBS) and some application programs may be installed on the client. When the client refers to the control device, the client may install a distributed software system (enterprise distribution system, EDS) and management software for storage services. The storage device can be a storage server in physical form, figure 1 An object storage device (object storage device, OSD) is used as an example, but it ...

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Abstract

The embodiment of the invention provides a method for accessing a solid state disk and storage equipment, the storage equipment comprises a network card, a memory and the solid state disk, in the method, the network card receives to-be-written data and a write command, the write command is used for instructing to write the to-be-written data into the solid state disk, and after the to-be-written data and the write command are received, the network card writes the to-be-written data into a memory and writes the writing command into a submission queue of the solid state disk, and then the network card informs the solid state disk of the to-be-executed command in the submission queue of the solid state disk and writes the command when the to-be-executed command is executed. And the solid state disk acquires the to-be-written data from the memory according to the writing command, and writes the to-be-written data into a medium of the solid state disk. According to the method, the time delay of data access can be greatly reduced, and meanwhile, the CPU occupancy rate of the storage equipment can be greatly reduced.

Description

technical field [0001] The embodiment of the present application relates to the computer field, and in particular to a method for accessing a solid-state hard disk and a storage device. Background technique [0002] A current storage system may adopt forms such as distributed storage, network-attached storage (network-attached storage, NAS), storage area network (storage area network, SAN), and the like. In these storage systems, clients and storage devices are connected through networks. Among them, a solid state disk (solid state disk, SSD) is applied to the above-mentioned various storage systems due to its advantages of high bandwidth, low latency, and high throughput. For the storage system, how the client efficiently accesses the data in the solid-state disk through the network is an important issue. [0003] In the prior art, when the client needs to access the solid-state disk of the storage device, the central processing unit (central processing unit, CPU) of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/54
CPCG06F9/547G06F9/544G06F9/546G06F3/067G06F3/0659G06F3/0656G06F3/0611G06F3/0604G06F3/0634G06F3/0679
Inventor 李立何益程韬
Owner HUAWEI TECH CO LTD
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