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A bandwidth control method, device and storage medium

A technology of bandwidth control and bandwidth, which is applied in the direction of instruments, input/output to record carriers, calculations, etc., can solve the problems of bandwidth reduction speed and accuracy reduction

Active Publication Date: 2021-07-06
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no compromise between reduced speed and reduced accuracy for bandwidth

Method used

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  • A bandwidth control method, device and storage medium
  • A bandwidth control method, device and storage medium
  • A bandwidth control method, device and storage medium

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Embodiment Construction

[0046] In order to make the objects, technical solutions, and advantages of the present invention, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0047] It should be noted that all expressions that use "first" and "second" in the embodiments of the present invention are in order to distinguish between two identical names of different entities or non-identical parameters, visible "first" "second" For the convenience of expression, it is not understood to be limited to the embodiment of the present invention, and the subsequent embodiment will not be described herein.

[0048] It should be noted that in the embodiment of the invention, IO: in and out, reading and writing;

[0049] FIRMware: Software that is cured into a solid state drive;

[0050] Master: Controller, CPU in Solid State Hard Disk;

[0051] LUN: The basic unit of receiving and executing commands in a solid state hard disk flash chip;

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Abstract

The invention discloses a bandwidth control method, comprising the steps of: acquiring the temperature of a hard disk; judging whether the temperature is between a first threshold and a second threshold; The value of the value is reduced from the default maximum value to the preset value; the bandwidth reduction ratio is determined based on the current value of the hard disk register; the difference between the bandwidth reduction ratio and the target reduction ratio corresponding to the temperature is calculated; according to the size of the difference, the current register Decrease the value by the value corresponding to the difference, and return to the step of determining the bandwidth reduction until the bandwidth reduction reaches the target reduction ratio. The invention also discloses a computer device and a readable storage medium. The method disclosed by the invention can effectively control the reading and writing bandwidth of the solid-state hard disk, thereby controlling the rising speed of the temperature. And by setting the value of the subtrahend reasonably, the method of gradually reducing the value of the register by grade is used to reduce the read and write bandwidth of the solid-state hard disk, which can take into account the reduction speed and accuracy of the bandwidth.

Description

Technical field [0001] The present invention relates to the field of temperature control, and more particularly to a bandwidth control method, a device, and a storage medium. Background technique [0002] After the solid-state drive is powered on, the temperature of the solid state hard disk will continue to rise due to the need to handle various IO requests and ambient temperature. During the normal use of solid state drives, the cooling fan should be maintained. However, if some reason, the heat-dissipating fan causes a failure, then when the temperature of the solid state hard disk reaches a certain threshold, the temperature control policy in the SSD Firmware is usually triggered to delay the temperature rise speed of the solid-state hard drive, to troubleshoot the cooling fan Reason for time. Among them, the temperature control strategy is usually achieved by controlling the bandwidth to achieve the purpose of the control temperature rise. [0003] Currently, most vendors us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0634G06F3/0653G06F3/0679
Inventor 张彬苏军
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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