CN-224232173-U - Device for automatically collecting BMC log in shutdown state

Abstract

The utility model provides a device for automatically collecting BMC logs in a shutdown state, which comprises a CPU module, a BMC module, a signal switching chip, a USB connector and a triggering module, wherein the CPU module is arranged on a server mainboard and is used for providing USB communication signals in an operation state, the BMC module comprises a GPIO interface and is used for integrating fault detection and log packaging functions, the signal switching chip is respectively connected with a signal end of the CPU module and a signal end of the BMC module and is used for switching signals, the USB connector is connected with an output end of the signal switching chip through a switching circuit, and the triggering module comprises a UID button and a signal identification circuit and is used for sending log transmission instructions to the BMC module. The utility model solves the technical problem that BMC logs can not be conveniently and rapidly collected under the conditions of shutdown of a server, non-communication of IP and the like in the prior art.

Inventors

• DU SHIQI
• LIU FAN

Assignees

• 东莞记忆存储科技有限公司

Dates

Publication Date

20260512

Application Date

20250506

Claims (10)

1. 1. An apparatus for automatically collecting BMC log in a shutdown state, the apparatus comprising: The CPU module is arranged on the server main board and used for providing USB communication signals from the CPU module in an operation state; The BMC module is used for providing a USB communication signal from the BMC module in an operation state, and is provided with a GPIO interface which is used for sending a switching signal; The signal switching chip is connected with the signal end of the CPU module, the signal end of the BMC module and the GPIO interface and is used for receiving the switching signal and performing signal switching; The USB connector is connected to the output end of the signal switching chip through a switching circuit; And the triggering module comprises a UID button and a signal identification circuit and is used for sending a log transmission instruction to the BMC module.
2. 2. The device for automatically collecting a BMC log in a shutdown state according to claim 1, wherein the signal switching chip comprises a first input channel and a second input channel, the first input channel is connected to a signal terminal of the CPU module, and the second input channel is connected to a signal terminal of the BMC module.
3. 3. The device for automatically collecting BMC log in a shutdown state according to claim 2, wherein a channel selection pin is further provided in the signal switching chip, and the channel selection pin is connected to the GPIO interface.
4. 4. The apparatus of claim 3, wherein the channel select pin is connected to the GPIO interface via a control line.
5. 5. The device for automatically collecting BMC log under power off state according to claim 4, wherein a bias resistor is arranged on the control line, the channel selection pin is connected to one end of the bias resistor, and the other end of the bias resistor is grounded.
6. 6. The device for automatically collecting BMC logs in a shutdown state according to claim 1, further comprising a pull-down resistor, wherein an enable pin is further arranged in the signal switching chip, the enable pin is connected to one end of the pull-down resistor, and the other end of the pull-down resistor is grounded.
7. 7. The apparatus according to claim 1, wherein the output end of the signal switching chip is connected to the USB connector through a matching resistor, and the matching resistor is used for eliminating impedance mismatch of signal transmission of the USB connector.
8. 8. The apparatus for automatically collecting BMC log under power off state according to claim 1, wherein the input end of the signal recognition circuit is connected to the UID button, and the output end of the signal recognition circuit is connected to the BMC module through a signal line.
9. 9. The device for automatically collecting BMC log under power off state according to claim 1, wherein a power supply pin is arranged in the signal switching chip, and the power supply pin is connected with a power module arranged on a server main board.
10. 10. The device for automatically collecting BMC logs in a shutdown state according to claim 1, wherein the CPU module, the BMC module, the signal switching chip, the USB connector, and the trigger module are all electrically connected through a printed circuit on the server motherboard.

Description

Device for automatically collecting BMC log in shutdown state Technical Field The utility model relates to the technical field of servers, in particular to a device for automatically collecting BMC logs in a shutdown state. Background During the daily operation and maintenance of the server, BMC journals are critical to troubleshooting and system optimization. However, when the server fails to cause shutdown, downtime, or the IP cannot log on the BMC webpage, the conventional method of logging on the BMC webpage through the IP cannot be used. The method and the system have the advantages that great difficulty is brought to technicians in quick positioning and solving the problems, the fault processing time is prolonged, and the normal operation of the server and the continuity of the service are affected. Some existing log collection technologies are complex to operate, require complicated operations by professional technicians, or require additional equipment or software support, and increase cost and system complexity. Therefore, the development of a simple, efficient and reliable device for automatically collecting BMC logs in a shutdown state has important practical significance. Disclosure of utility model The utility model aims to overcome the defects of the prior art, provides a device for automatically collecting BMC logs in a shutdown state, and aims to solve the technical problem that BMC logs cannot be conveniently and rapidly collected under the conditions of shutdown, IP failure and the like of a server in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: An apparatus for automatically collecting BMC logs in a shutdown state, the apparatus comprising: The CPU module is arranged on the server main board and used for providing USB communication signals from the CPU module in an operation state; The BMC module is used for providing a USB communication signal from the BMC module in an operation state, and is provided with a GPIO interface which is used for sending a switching signal; The signal switching chip is connected with the signal end of the CPU module, the signal end of the BMC module and the GPIO interface and is used for receiving the switching signal and performing signal switching; The USB connector is connected to the output end of the signal switching chip through a switching circuit; the trigger module comprises a UID button and a signal identification circuit and is used for sending a log transmission instruction to the BMC module In an embodiment, the signal switching chip includes a first input channel and a second input channel, the first input channel is connected to a signal end of the CPU module, and the second input channel is connected to a signal end of the BMC module. In an embodiment, a channel selection pin is further disposed in the signal switching chip, and the channel selection pin is connected to the GPIO interface. In one embodiment, the channel select pin is connected to the GPIO interface through a control line. In an embodiment, a bias resistor is disposed on the control line, the channel selection pin is connected to one end of the bias resistor, and the other end of the bias resistor is grounded. In an embodiment, the device further includes a pull-down resistor, and an enable pin is further disposed in the signal switching chip, and is connected to one end of the pull-down resistor, and the other end of the pull-down resistor is grounded. In an embodiment, the output end of the signal switching chip is connected to the USB connector through a matching resistor, and the matching resistor is used for eliminating impedance mismatch of signal transmission of the USB connector. In an embodiment, an input end of the signal identification circuit is connected to the UID button, and an output end of the signal identification circuit is connected to the BMC module through a signal line. In an embodiment, a power supply pin is disposed in the signal switching chip, and the power supply pin is connected to a power module disposed on the server motherboard. In an embodiment, the CPU module, the BMC module, the signal switching chip, the USB connector, and the trigger module are all electrically connected through a printed circuit on the server motherboard. Compared with the prior art, the utility model has the beneficial effects that the CPU module is arranged on the main board of the server to provide the USB communication signal during operation, the BMC module integrates the fault detection and log packaging functions and uses the GPIO interface to monitor in real time, the signal switching chip is connected with the signal ends of the CPU module and the CPU module to realize signal switching, the USB connector is connected with the output end of the signal switching chip through the switching circuit to multiplex hardware resources, and the USB connector is matched with the UID button of the trigger