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High usable inner core system of machine group operating system and fabricating method thereof

An operating system and kernel technology, applied in the field of computer systems, can solve the problems of system administrators' judgment errors, limit the application of cluster systems, and functional redundancy, etc., and achieve the effects of light burden, correctness, and high reliability

Inactive Publication Date: 2006-05-17
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

The existing cluster operating system lacks a highly available kernel, and stays on the accumulation and superposition of multiple subsystems, resulting in functional redundancy and low efficiency, and lacks an effective fault-tolerant (fault-tolerant) mechanism to ensure that the cluster system Runs for a long time and relies too much on the work of the system administrator
The system administrator may introduce new errors into the system due to mistakes or misjudgments.
This limits the application of cluster systems in commercial environments that require high reliability

Method used

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  • High usable inner core system of machine group operating system and fabricating method thereof
  • High usable inner core system of machine group operating system and fabricating method thereof
  • High usable inner core system of machine group operating system and fabricating method thereof

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Embodiment Construction

[0028] figure 1 Among them, the cluster operating system kernel is the core part of the cluster operating system, and the cluster operating system high-availability kernel system includes: detection service device 1, group service device 2, event management service device 3, high-availability service service device 4, and configuration service device 5 five parts. Detection service device 1 provides consistent node life, network connectivity, and process status information within the cluster, which is the basis of the cluster operating system. This device can accurately detect failures, and distinguish node failures, network failures, and process The three situations of death provide a basis for the development of high-availability kernels and high-availability applications for clusters. The group service device 2 itself forms a group, which performs its own daily high-availability management based on consistent node life and network connectivity information, and provides ser...

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Abstract

A method for constructing a high-availability kernel of a cluster operating system divides the high-availability kernel into four service devices: detection, group service, event management, and high-availability service. During the booting process of the high-availability kernel, the high-availability kernel obtains basic information through the interface provided by the configuration service device in sequence according to the order of group services, detection, event management, and high-availability services, and completes the booting; the four service devices complete the booting Finally, the configuration management service device registers with the high-availability service device. After the registration is successful, the configuration service device completes the role transition, and the high-availability core of the cluster changes from an unstable state to a stable state. The cluster operating system kernel constructed by this method has high reliability. Since the kernel is automatically guided, the autonomy and flexibility of the cluster operating system are improved, and the burden of the system administrator is lightened.

Description

technical field [0001] The invention relates to the technical field of computer systems, in particular to a cluster operating system high-availability kernel system and a construction method thereof. technical background [0002] Since its inception, the cluster has quickly become the mainstream architecture of high-performance computing due to its good scalability and competitive performance / price ratio, and its applications are also spread across commercial fields such as Internet services and database services. [0003] The cluster operating system is based on the node operating system and provides a single system image support for ordinary users, software developers and system administrators. It is the most basic system software set for the cluster. [0004] The cluster operating system software developed in the early stage is basically independent and separated, and each software only realizes one or a limited number of functions, such as job management software and sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445G06F15/16
Inventor 詹剑锋韦华颖陈熠刘建华孟丹
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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