Method and system for adjusting speed of fan of memory by means of double control
A speed regulation and fan technology, applied in the field of dual-control fan speed regulation in storage, can solve problems such as high noise and slow fan speed, and achieve the effect of improving smooth operation and improving use reliability.
Inactive Publication Date: 2020-01-10
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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However, dual controllers face the problem of resource allocation. How to decide who will control the rotation of the fan and how the controller that controls the rotation of the fan interacts with the hardware is particularly important. Fast and slow, loud noise
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[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0037] Please refer to Figure 1 ~ Figure 2 , figure 1 It is a schematic flow chart of the steps of a specific implementation of the method for storing dual-control fan speed regulation provided by the embodiment of the present invention; figure 2 It is a schematic diagram of the connection structure of a specific implementation of the system for storing dual-control fan speed regulation provided by the embodiment of the present invention.
[0038] In a spe...
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The invention discloses a method and system for adjusting the speed of a fan of a memory by means of double control. The method includes the following steps: step 1, a fan control device is divided into a main controller BMC and a standby controller BMC; step 2, whether the main controller BMC operates abnormally is determined; (if yes) step 3, the standby controller BMC is used as a main BMC, andthe main controller BMC is used as a slave BMC; (if not) step 4, the main controller BMC is used as a main BMC, and the standby controller BMC is used as a slave BMC; step 5, the main BMC collects temperature points which need to be involved in the speed adjustment, and calculates a main PWM; step 6, the main BMC outputs the main PWM to a CPLD, and the slave BMC outputs a preset slave PWM to theCPLD; and step 7, AND operation is conducted for the main PWM and the slave PWM to calculate an actual speed ratio, which is written into a fan control unit, and the fan control unit controls the rotational speed of the fan according to the actual speed ratio. With the double controllers and without adding a decision-making unit to a backboard, the purpose that only one controller outputs PWM is achieved, and alternating between high and low rotational speeds, caused by outputting from the double controllers, is prevented, so that the operation stability of the fan is improved to improve the service reliability.
Description
technical field [0001] The invention relates to the technical field of storage fan control, in particular to a method and system for speed regulation of storage dual-control fans. Background technique [0002] With the development of information technology, especially the continuous development of cloud computing and big data, the application requirements of storage systems are increasing, and the increasing business volume requires more and more stability, reliability, and security of storage systems. higher. [0003] As an important part of a storage device, the fan plays a vital role in the normal operation of the device. However, dual controllers face the problem of resource allocation. How to decide who will control the rotation of the fan and how the controller that controls the rotation of the fan interacts with the hardware is particularly important. Fast and slow, loud noise. Contents of the invention [0004] The object of the present invention is to provide a...
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IPC IPC(8): F04D27/00
CPCF04D27/004
Inventor 朱绍霞
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD