Management system for accessing I2C equipment by multi-node partition server

Abstract

The invention provides a management system for accessing I2C equipment by a multi-node partition server. The management system comprises a management board, a middle backboard and a plurality of computing nodes, the management board is connected with a plurality of computing nodes through a middle backboard; the management board sets partitions of the computing nodes through different jumper connection positions of the plurality of jumper caps; wherein the computing nodes are in different partitions; the master-slave connection relationship of the computing node is set according to the level of a pin on the CPLD, the computing node is provided with a plurality of arbitration devices, different channels of the arbitration devices are controlled to be opened through different I2C buses on the computing node, and then PCIE equipment on the computing node is accessed through the extension device. Soft reset or physical reset is carried out on the arbitration device through the I2C bus under an abnormal condition. According to the arbitration device and the arbitration method, server products can be configured more flexibly, physical reset of the arbitration device can be completed under different partitions, and the stability of the system is improved.

Description

technical field [0001] The invention belongs to the technical field of servers, and in particular relates to a management system for multi-node partition servers to access I2C devices. Background technique [0002] With the development of information technology, the application of servers is becoming more and more extensive. In industries such as government, finance, and energy, there is an increasing demand for large-scale core databases, virtualization integration, memory computing, and high-performance computing, and the advantages of 8-socket servers are widely used. In a multi-channel server, each motherboard has 2 CPUs, 1 BMC chip (baseboard management controller), and an optional PCH subcard. The entire chassis can be installed with 4 motherboards, and can be flexibly configured as an eight-way system, two four-way systems or four two-way systems through hardware settings. The BMC on the master node accesses the key PCIe device signals of each node to obtain key inf...

AI Technical Summary

Problems solved by technology

[0003] The existing technical solutions support a maximum of two partition systems, and cannot support up to four partitions

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