WO2016066045A1

WO2016066045A1 - Server housing and controlling method for fan hot-plugging

Info

Publication number: WO2016066045A1
Application number: PCT/CN2015/092512
Authority: WO
Inventors: 黄征; 牛功彪
Original assignee: 阿里巴巴集团控股有限公司; 黄征; 牛功彪
Priority date: 2014-10-30
Filing date: 2015-10-22
Publication date: 2016-05-06
Also published as: CN105630094A

Abstract

A server housing has a server (21) arranged in a cabinet of the server housing. The server comprises a system board (211), a hard disk (212), a fan (213), a drawer type structure (214) and a controlling device (400) for fan hot-plugging. The drawer type structure is arranged in the cabinet (20). The hard disk and the fan are arranged in the drawer type structure, and connected with the main board by cables. The controlling device for fan hot-plugging is connected with the fan and a fan controller, and is suitable for controlling connection or disconnection between the fan and the fan controller according to the different running states of the fan. The solution makes it possible to assemble and disassemble the fan conveniently, to protect the relevant components for the fan controlling, and to eliminate the damage to the relevant components of the server caused by hot-plugging.

Description

Server chassis and fan hot swap control method

Technical field

The present application relates to the field of computer technology, and in particular, to a server chassis and a fan hot plug control method.

Background technique

A server is an advanced personal computer that can perform specific functions in a computer network. Depending on the architecture of the chassis used by the server, servers can be divided into desktop servers, rack servers, and blade servers.

Rack servers are also available in a variety of sizes, such as 1U, 2U, 4U, 6U, 8U, and more. In the cabinet of the rack server, there are generally installation holes for installing various network devices. The server can be installed in the cabinet through the mounting holes on the cabinet.

The server in the prior art generally includes a fixed hard disk area 101, a fan area 102, a computing area 103, a network card, and a PCIE device area 104. In order to ensure hot swapping of the hard disk and a sufficient number of hard disks, the position of the fan is generally placed in the hard disk area. The position between 101 and the calculation area 103. When the fan is damaged, because the space between the upper and lower racks of the data center is narrow, and the network cable and power cable are tightly wired, it is impossible to open the chassis cover and replace the fan online without stopping the machine.

Summary of the invention

The solution of the present application solves the problem of how to conveniently install and disassemble the fan online.

To solve the above problem, the embodiment of the present application provides a server chassis, where the server chassis includes:

A server is installed in the cabinet of the server chassis, and the server includes a main board, a hard disk, a fan, a drawer structure, and a fan hot plug control device. The drawer structure is installed in the cabinet, and the hard disk and the fan are installed. In the drawer structure, and connected to the main board by a cable, the fan hot plug control device is respectively connected to the fan and a fan controller mounted on the main board, and is adapted to be different according to the fan. The operating state controls the connection or disconnection between the fan and the fan controller.

Optionally, the drawer structure comprises a bracket, the fan and the hard disk are mounted on the bracket, and the left and right ends of the bracket are slidably latched on the left sliding seat disposed on the inner wall of the cabinet In the rail and the right rail, and a handle bar is further provided at the front end of the bracket.

Optionally, the drawer structure further includes a left limit pillar and a right limit pillar, and the left limit pillar and the right limit pillar are respectively disposed at rear ends of the left and right sides of the bracket.

Optionally, the fan hot plug control device includes:

a power supply control unit, configured to supply power to the fan according to a power supply signal sent by the fan controller;

a first transceiver unit, configured to forward a speed control signal sent by the fan controller to the fan;

The second transceiver unit is adapted to forward the speed feedback signal sent by the fan to the fan controller.

Optionally, the fan hot plug control device further includes:

a first control unit, configured to control the power supply control unit to supply power to the fan when detecting a hot plug operation of the fan, and control the first transceiver unit to send a speed control signal sent by the fan controller to the fan And controlling the second transceiver unit to send the speed feedback signal sent by the fan to the fan controller.

a second control unit, configured to control the power supply control unit to stop supplying power to the fan when detecting a hot pull operation of the fan, and control the first transceiver unit to stop the speed control signal sent by the fan controller Sending to the fan, and controlling the second transceiver unit to stop transmitting a speed feedback signal sent by the fan to the fan controller.

Optionally, the first transceiver unit is a register.

Optionally, the second transceiver unit is a register.

The embodiment of the present application further provides a fan hot swap control method, where the method includes:

Controlling the power supply control unit to supply power to the fan when a hot plug operation of the fan is detected, controlling the first transceiver unit to send a speed control signal sent by the fan controller to the fan, and controlling the The second transceiver unit sends a speed feedback signal sent by the fan to the fan controller.

When the hot extraction operation of the fan is detected, controlling the power supply control unit to stop supplying power to the fan, and controlling the first transceiver unit to stop transmitting a rotation speed control signal sent by the fan controller to the fan, and Controlling the second transceiver unit to stop transmitting a speed feedback signal sent by the fan to the fan controller.

Optionally, the first transceiver unit is a register.

Optionally, the second transceiver unit is a register.

Compared with the prior art, the technical solution of the present application has the following advantages:

By disposing the drawer structure and the fan hot-swap control device, it is possible to facilitate the removal and installation of the fan by pulling out the drawer structure. At the same time, the fan control related components are protected by the fan hot plug device for connecting and disconnecting between the fan and the fan controller, thereby eliminating damage caused by the fan hot plug operation to the server related components.

DRAWINGS

1 is a schematic structural diagram of a server in the prior art;

2 is a schematic structural diagram of a server chassis in the embodiment of the present application;

3 is a schematic structural diagram of a fan hot swap control state in the embodiment of the present application;

4 is a flowchart of a method for controlling hot swapping of a fan in an embodiment of the present application;

5 is a flowchart of a method for controlling hot swapping of a fan when a hot extraction operation of a fan is detected in the embodiment of the present application;

FIG. 6 is a flowchart of a method for controlling hot swapping of a fan when a hot insertion operation of a fan is detected in the embodiment of the present application.

detailed description

In order to solve the above problems in the prior art, the technical solution adopted by the embodiment of the present application can facilitate the disassembly and installation of the fan by setting the drawer structure and the fan hot plug control device, and can perform the hot plug operation of the fan. Reduces damage to server-related components.

The above described objects, features and advantages of the present application will become more apparent and understood.

2-3 shows a schematic structural diagram of a server chassis in the embodiment of the present application. The server chassis shown in FIG. 2-3 may include: a cabinet 20 and a server 21 installed in the cabinet, wherein:

The server 21 includes a main board 211, a hard disk 212, a fan 213, and a drawer structure 214. The drawer structure 214 is installed in the cabinet 20, and the hard disk 212 and the fan 213 are installed in the drawer structure 214. And connected to the main board 211 by a stretchable cable.

In a specific implementation, the drawer structure 214 may include a bracket 2141, and the left and right ends of the bracket 2141 are slidably engaged in the left rail 2142 and the right rail 2143 disposed on the inner wall of the cabinet. And a left handle bar 2144 and a right hand strap 2145 are respectively disposed at the front end of the bracket 2141.

When the fan 213 needs to be replaced, the bracket 213 is removed from the cabinet 20 by the left pull bar 2144 and the right pull bar 2145, respectively, and the fan 213 can be removed and installed. At the same time, since the fan 213 and the hard disk 212 are connected to the main board through the stretchable cable, the connection between the hard disk 212 and the fan 213 and the main board 211 is not affected, so that the server can operate normally, and the replacement of the fan 213 can be facilitated. .

In a specific implementation, in order to prevent the bracket 2141 from being pulled out from the cabinet, the drawer structure in the embodiment of the present application may further include a left limit column 2146 and a right limit column 2147, wherein the left limit column 2146 And right limit posts 2147 are respectively disposed at the rear ends of the left and right sides of the bracket 2141.

The server chassis in the embodiment of the present application may further include a fan hot plug control device for performing the hot plug operation of the fan. The fan hot-swapping device is respectively connected to the fan 213 and a fan controller mounted on the main board, and is adapted to control connection or disconnection between the fan and the fan controller according to different operating states of the fan. .

As shown in FIG. 4, the fan hot plug control apparatus 400 in the embodiment of the present application may include a power supply control unit 401, a first transceiver unit 402, and a second transceiver unit 403, where:

The power supply control unit 401 is adapted to supply power to the fan according to a power supply signal sent by the fan controller.

The first transceiver unit 402 is adapted to forward the speed control signal sent by the fan controller to the fan. The first transceiver unit 402 can be a register.

The second transceiver unit 403 is adapted to forward the speed feedback signal sent by the fan to the fan controller. The second transceiver unit 403 can be a register. The second transceiver unit 403 can be a register.

In a specific implementation, the fan hot plug control apparatus 400 in the embodiment of the present application may further include a first control unit 404 and a second control unit 405, where:

The first control unit 404 is adapted to control the power supply control unit to stop supplying power to the fan when detecting a hot pull operation of the fan, and control the first transceiver unit to stop the speed control sent by the fan controller. A signal is sent to the fan, and the second transceiver unit is controlled to stop transmitting a speed feedback signal sent by the fan to the fan controller.

a second control unit 405, configured to control the power supply control unit to supply power to the fan when detecting a hot plug operation of the fan, and control the first transceiver unit to send a speed control signal sent by the fan controller to The fan, and controlling the second transceiver unit to send a speed feedback signal sent by the fan to the fan controller.

The working principle of the fan hot plug control device in the embodiment of the present application is as follows:

When the fan is in normal operation, the power delivered by the fan controller passes through the output of the power supply control unit 401 to the fan to provide power for normal operation of the fan.

First, the speed control signal sent by the fan controller according to the operating state of the fan is first written into the register of the first transceiver unit 402 through the fan hot plug control device 400, and then passed through the fan hot plug control device 400 by the first transceiver unit 402. The output of the speed control signal is output to the fan to control the operation of the fan.

Then, the fan is operated under the rotation speed control signal sent by the fan controller, and the fan hot-swap control device 400 receives the rotation speed feedback signal sent by the fan, and writes it into the register of the second transceiver unit 403, and then the second transceiver unit 403 The output of the speed feedback signal is output to the fan controller.

The working principle of the fan hot swap control device shown in FIG. 4 will be further described in detail below with reference to the fan hot plug control method in the embodiment of the present application shown in FIG. 5 and FIG. 6.

Referring to FIG. 5, the hot-swap control method of the fan in the embodiment of the present application may include:

Step S501: detecting whether there is a hot extraction operation of the fan.

In a specific implementation, it is possible to detect whether there is a hot extraction operation of the fan by a corresponding detecting device.

Step S502: When the hot extraction operation of the fan is detected, it is detected whether the power of the fan is turned off.

In a specific implementation, when a hot pull operation of the fan is detected, in order to protect the power sent from the fan controller, it may be first detected whether the power is off.

Step S503: Turn off the power of the fan, stop forwarding the speed control signal sent by the fan controller to the fan, and stop sending the speed feedback signal sent by the fan to the fan controller.

In an embodiment of the present application, the first control unit 404 may turn off the power supply control unit 401 when detecting the pull-out operation of the fan, and pass the register of the first transceiver unit 401 and the register of the second transceiver unit 403. Forced write protection to stop sending the speed control signal sent by the fan controller to the fan, and at the same time stop sending the fan speed feedback signal to the fan controller to avoid the logic of the fan controller.

As shown in FIG. 6 , the method for controlling the hot swap of the fan in the embodiment of the present application may further include:

Step S601: detecting whether there is a hot extraction operation of the fan.

In a specific implementation, whether a fan hot extraction operation occurs can be detected by a corresponding detecting device.

Step S602: When the hot extraction operation of the fan is detected, it is detected whether the power of the fan is turned on.

Step S603: Turn on the power of the fan, forward the speed control signal sent by the fan controller to the fan, and send the speed feedback signal sent by the fan to the fan controller.

In an embodiment of the present application, the second control unit 405 may turn on the power supply control unit 402 when the hot plug operation of the fan is detected, and output the power sent by the fan controller to the fan.

At the same time, the second control unit 405 can cancel the register write protection for the register of the first transceiver unit 401 and the second transceiver unit 403, so that the first transceiver unit 402 can output the speed control signal sent by the fan controller to the fan, The speed control signal sent by the fan controller is sent to the fan, and the fan speed feedback signal is sent to the fan controller at the same time.

Therefore, when the fan is hot-swapped, the fan hot-swap control device can reduce the impact on the fan speed signal control port, the speed feedback signal port, and the power input port during the hot plug process. This can reduce the occurrence of failures. At the same time, since a fan hot plug control device is used to perform the above functions, the probability of error can be reduced from the viewpoint of the number of devices.

A person of ordinary skill in the art may understand that all or part of the steps of the foregoing embodiments may be completed by a program instructing related hardware, and the program may be stored in a computer readable storage medium, and the storage medium may include: , RAM, disk or CD.

The method and system of the embodiments of the present application have been described in detail above, and the application is not limited thereto. Any changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, and the scope of the application should be determined by the scope defined by the claims.

Claims

A server chassis, wherein a server is installed in a cabinet of the server chassis, the server includes a main board, a hard disk, a fan, a drawer structure, and a fan hot plug control device, and the drawer structure is installed in the server In the cabinet, the hard disk and the fan are installed in the drawer structure, and are connected to the main board through a cable, and the fan hot plug control device is respectively connected to the fan and the fan controller mounted on the main board. The connection is adapted to control the connection or disconnection between the fan and the fan controller according to different operating states of the fan.
The server chassis according to claim 1, wherein the drawer structure comprises a bracket, and the fan and the hard disk are mounted on the bracket, and the left and right ends of the bracket are slidably respectively And a left rail and a right rail disposed on an inner wall of the cabinet, and a handle bar is further disposed at a front end of the bracket.
The server chassis according to claim 2, wherein the drawer structure further comprises a left limit post and a right limit post, wherein the left limit post and the right limit post are respectively disposed on the bracket The rear ends on the left and right sides.
The server chassis according to claim 1, wherein the fan hot plug control device comprises:

a power supply control unit, configured to supply power to the fan according to a power supply signal sent by the fan controller;

a first transceiver unit, configured to forward a speed control signal sent by the fan controller to the fan;

The second transceiver unit is adapted to forward the speed feedback signal sent by the fan to the fan controller.
The server chassis according to claim 4, wherein the fan hot plug control device further comprises:

a first control unit, configured to control the power supply control unit to supply power to the fan when detecting a hot plug operation of the fan, and control the first transceiver unit to send a speed control signal sent by the fan controller to the a fan, and controlling the second transceiver unit to send a speed feedback signal sent by the fan to the fan controller.

a second control unit, configured to control the power supply control unit to stop supplying power to the fan when detecting a hot pull operation of the fan, and control the first transceiver unit to stop the speed control signal sent by the fan controller Sending to the fan, and controlling the second transceiver unit to stop transmitting a speed feedback signal sent by the fan to the fan controller.
The server chassis according to claim 4 or 5, wherein the first transceiver unit is a register.
The server chassis according to claim 4 or 5, wherein the second transceiver unit is a register.
A fan hot plug control method, wherein the method comprises:

Controlling the power supply control unit to supply power to the fan when the hot plug operation of the fan is detected, controlling the first transceiver unit to send a speed control signal sent by the fan controller to the fan, and controlling the second transceiver unit to The speed feedback signal sent by the fan is sent to the fan controller.

When the hot extraction operation of the fan is detected, controlling the power supply control unit to stop supplying power to the fan, and controlling the first transceiver unit to stop transmitting a rotation speed control signal sent by the fan controller to the fan, and Controlling the second transceiver unit to stop transmitting a speed feedback signal sent by the fan to the fan controller.
The fan hot swap control method according to claim 8, wherein said first transceiver unit is a register.
A fan hot swap control method according to claim 8 or 9, wherein said second transceiver unit is a register.