Method of retaining system crash log on POWER system through BMC (boardmanagement control)

A system log and system technology, applied in the field of server applications, can solve problems such as system failure to start, and achieve the effect of avoiding risks

Inactive Publication Date: 2017-01-18
SUZHOU ZOOM SERVER INC
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Problems solved by technology

[0003] Aiming at the defects of the prior art, the purpose of the present invention is to provide a method for retaining the system crash log on the POWER system through the BMC, aimin

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  • Method of retaining system crash log on POWER system through BMC (boardmanagement control)

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[0013] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0014] Figure 1 shows the system principle block diagram based on the method for retaining system crash logs on the POWER system through BMC provided by the embodiment of the present invention, in order to further illustrate the system provided by the embodiment of the present invention on the POWER system through BMC The method for retaining the crash log is detailed as follows in conjunction with the attached figure: The CPU sends the system log to the BMC through the IPMI (Intelligent Platform Management Interface) protocol in real time, and the BMC pre-allocates a piece of memory space for...

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Abstract

The invention discloses a method of retaining a system crash log on a POWER system through a BMC (boardmanagement control). A CPU (central processing unit) sends a system log to the BMC and stores the system log in the BMC in real time; the system log is prevented from being written into a Flash for storing BIOS (basic input and output system) FW(firmware), so that the BIOS FW damage risk can be avoided. The CPU sends the system log to the BMC through an IPMI (intelligent platform management interface) protocol. The BMC pre-allocates one memory space for storing the system log from the CPU. After the system crashing, the log before the system crashing can be checked on the BMC. According to the method, the system log is not directly stored into the Flash storing the BIOS FW; the system log is sent to the BMC through the IPMI protocol or other sending modes; the system log is stored into the pre-allocated memory space of the BMC or mounted external storage equipment; when the system crashes, the CPU sends the system log before the crushing to the BMC in real time, so that the all received system logs can be checked on the BMC; the BIOS FW damage risk is avoided.

Description

technical field [0001] The invention belongs to the technical field of server applications, and more specifically relates to a method for retaining system crash logs on a POWER (a server product name of IBM) system through BMC (Board Management Control). Background technique [0002] When the system crashes, the system log is written into the Flash storing the BIOS (Basic Input and Output System) FW (Firmware, firmware); the disadvantage of this prior art is that the Flash written by the system log is also The Flash of BIOS FW is stored, and there is a risk of damaging the BIOS FW when writing the Flash. Once the BIOS FW is damaged, the system cannot be started. Contents of the invention [0003] Aiming at the defects of the prior art, the purpose of the present invention is to provide a method for retaining the system crash log on the POWER system through the BMC, aiming to solve the problem in the prior art that the Flash written by the system log is also the storage of ...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F9/44
CPCG06F9/4401G06F11/1489
Inventor 王雪松陈长发
Owner SUZHOU ZOOM SERVER INC
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