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Linux server crash fault analysis system and method

A technology for server downtime and fault analysis, which is applied to instruments, generation of response errors, electrical digital data processing, etc. It can solve the problem that it is difficult for engineers to locate the root cause of the fault, and achieve the effect of avoiding the reduction of available memory in the system and simple operation

Inactive Publication Date: 2018-03-23
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

To configure kdump, you need to isolate a part of the physical memory and reserve it for the capture kernel, and the available memory of the system will be reduced. Therefore, some server users will not deploy the kdump service. When a downtime occurs, it is difficult for engineers to locate the root cause of the failure.

Method used

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  • Linux server crash fault analysis system and method
  • Linux server crash fault analysis system and method

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Embodiment Construction

[0021] In order to make the technical problems, technical solutions, and beneficial effects to be solved by the present invention clearer, the following describes the present invention in detail with reference to the accompanying drawings and embodiments.

[0022] The Linux server downtime fault analysis system and method include a faulty server and an analysis server. The faulty server and the analysis server are integrated with a processor debugging interface on the motherboard, and are respectively connected to the processor debugger through the processor debugging interface.

[0023] The analysis method of the Linux server downtime fault analysis system includes the following steps:

[0024] (1) After the faulty server goes down, connect the processor debugger to the integrated processor debugging interface of the faulty server motherboard, and read the contents of the current program pointer register of each core of the processor on the faulty server through the processor debugge...

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Abstract

The invention particularly relates to a Linux server crash fault analysis system and method. The system comprises a fault server and an analysis server, wherein processor debugging interfaces are integrated on the fault server and the analysis server; and the fault server and the analysis server are connected to a processor debugger through the processor debugging interfaces. According to the Linux server crash fault analysis system and method, an execution program address of a processor core of the fault server is obtained through the processor debugger; the program address is analyzed by utilizing an addr2line tool; a fault reason is located in combination with Linux source codes; the operation is simple, quick and efficient; and the disadvantage of system available memory reduction caused by kdump deployment is avoided.

Description

Technical field [0001] The invention relates to the technical field of server failure analysis, in particular to a Linux server downtime failure analysis system and method. Background technique [0002] The Linux server operating system generally runs very critical business applications, and the reliability of the system is very important. However, as the scale of system hardware resources continues to expand and the complexity of system business applications continues to increase, the probability of system instability continues to rise. [0003] Uncertain factors (such as hardware failures or system software logic errors) during the operation of the Linux operating system will cause the system to produce abnormalities: problems with the application program may cause the application process to terminate and affect business operation; for the operating system kernel Problems, often print error messages to the kernel log, serious kernel problems (for example, when all interrupts of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07
CPCG06F11/0778G06F11/079
Inventor 范冬冬
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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