Hotly added CPU configuration method and system

A technology of a central processing unit and a configuration method, applied in the computer field, can solve the problems of unfavorable server system topology expansion, low efficiency, and complex implementation.

Active Publication Date: 2017-05-24
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current hot-add CPU topology discovery solution is implemented by the main CPU. The farther the hot-add CPU is from the main CPU, the more complicated the implementation of the solution is, which is not conducive to the topology expansion of the se...

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  • Hotly added CPU configuration method and system
  • Hotly added CPU configuration method and system
  • Hotly added CPU configuration method and system

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] The embodiment of the invention discloses a hot-add central processing unit CPU configuration method and system, which can improve the topology discovery efficiency of the hot-add CPU and facilitate topology expansion. Each will be described in detail below.

[0042] see figure 2 , figure 2 It is a schematic flow chart of a method for configuring a hot-add central processing unit CPU disclosed in an embodiment of the present invention. in, figure...

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Abstract

Embodiments of the invention disclose a hotly added CPU (Central Processing Unit) configuration method and system. The method comprises the steps that a main CPU determines an in-place CPU adjacent to a first hotly added CPU; the in-place CPU establishes a first QPI (Quick Path Interconnect) link with the first hotly added CPU, and establishes a second QPI link between the first hotly added CPU and an NC (Node Controller), wherein the NC is an NC connected with the in-place CPU; and the in-place CPU configures route register information of the first hotly added CPU. By implementing the method and the system, the configuration of the hotly added CPU can be realized through the in-place CPU adjacent to the hotly added CPU and does not depend on a distance between the hotly added CPU and the main CPU, so that topological extension is facilitated; and the transfer by the NC and/or other CPUs is no longer needed, so that the topological discovery efficiency is improved, businesses can be quickly recovered, and the usage experience of a user is improved.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a configuration method and system for hot-adding a central processing unit CPU. Background technique [0002] At present, in order to improve the fault-tolerant ability of the server, the central processing unit (CPU, Central Processing Unit) hot swap has become an indispensable feature of many servers, that is: in the server system, since the server is composed of multiple CPUs, when one When one or more CPUs fail and need to be removed, the CPU hot-swappable feature can ensure uninterrupted business, thus not affecting the business operation of the entire server system. In the process of CPU hot-swapping, the failed CPU is removed, and a new CPU (also known as "hot-add CPU") needs to be reconfigured and added to the server system, which causes the topology of the server system to change. Therefore, The topology discovery of the server system is the basis and key to the reali...

Claims

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Application Information

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IPC IPC(8): G06F9/445G06F15/173
CPCG06F9/44505G06F15/17375
Inventor 姜广吉陈奔周超
Owner XFUSION DIGITAL TECH CO LTD
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