【摘要】：隨著信息化的進(jìn)程，計(jì)算機(jī)系統(tǒng)越來(lái)越深入地融入了國(guó)民經(jīng)濟(jì)的各個(gè)領(lǐng)域，人們對(duì)計(jì)算機(jī)系統(tǒng)的依賴(lài)程度與日俱增。尤其是軍事、金融、電信、航空航天等國(guó)民經(jīng)濟(jì)關(guān)鍵領(lǐng)域，不僅需要計(jì)算機(jī)系統(tǒng)擁有強(qiáng)大的計(jì)算能力，更需要其具有極高的可靠性。 PCI Express是由英特爾提出的最新的總線和接口標(biāo)準(zhǔn)，它代表了第三代I/O接口標(biāo)準(zhǔn)。它的主要優(yōu)勢(shì)是數(shù)據(jù)傳輸速率高，而且還有相當(dāng)大的發(fā)展空間，另外帶寬選擇靈活性高，適應(yīng)性強(qiáng)。PCI Express總線在現(xiàn)代計(jì)算機(jī)，特別是高端容錯(cuò)計(jì)算機(jī)的I/O系統(tǒng)中被廣泛采用。高端容錯(cuò)計(jì)算機(jī)系統(tǒng)提供的網(wǎng)絡(luò)服務(wù)、存儲(chǔ)服務(wù)等都依賴(lài)于PCI Express總線，PCI Express總線的可靠性是高端容錯(cuò)計(jì)算機(jī)系統(tǒng)提供可靠服務(wù)的非常重要的一個(gè)環(huán)節(jié)。 為了評(píng)測(cè)計(jì)算機(jī)的PCI Express容錯(cuò)機(jī)制的可靠性，本文研究了基于硬件的PCI Express總線故障注入工具的工作原理，設(shè)計(jì)并實(shí)現(xiàn)了PCI Express總線測(cè)試套件。使用該測(cè)試套件對(duì)某國(guó)產(chǎn)高端容錯(cuò)計(jì)算機(jī)進(jìn)行了測(cè)試，為該計(jì)算機(jī)系統(tǒng)提供了多項(xiàng)改進(jìn)建議。 另外，本文通過(guò)研究PCI Express總線的故障檢測(cè)和故障處理機(jī)制，設(shè)計(jì)并實(shí)現(xiàn)了基于Linux內(nèi)核AER驅(qū)動(dòng)的PCI Express總線故障注入工具，并在惠普Proliant ML150G6服務(wù)器上進(jìn)行了測(cè)試，驗(yàn)證了故障注入工具的有效性，并根據(jù)測(cè)試結(jié)果對(duì)該服務(wù)器的PCI Express總線軟件層的容錯(cuò)機(jī)制進(jìn)行了分析。該工具的實(shí)現(xiàn)，彌補(bǔ)了基于硬件的PCI Express總線故障注入工具僅適于評(píng)測(cè)PCI Express硬件層容錯(cuò)機(jī)制的不足，兩者相互配合，能夠全面的評(píng)測(cè)計(jì)算機(jī)系統(tǒng)軟硬件對(duì)PCI Express總線故障的容錯(cuò)能力。
[Abstract]:With the development of information technology, computer system is more and more integrated into all fields of national economy, and people rely on computer system day by day. Especially in the key areas of the national economy, such as military, finance, telecommunications, aviation and aerospace, not only must computer systems have strong computing power, The most reliable. PCI Express is the latest bus and interface standard proposed by Intel, which represents the third generation I / O interface standard. Its main advantage is that the data transmission rate is high, and there is still considerable room for development. In addition, the bandwidth selection flexibility is high, and the adaptability of .PCI Express bus is widely used in modern computers, especially in the I / O systems of high-end fault-tolerant computers. The network service and storage service provided by high-end fault-tolerant computer system depend on the reliability of PCI Express bus. It is a very important link for high-end fault-tolerant computer system to provide reliable service. In order to evaluate the reliability of PCI Express fault-tolerant mechanism of computer, this paper studies the working principle of PCI Express bus fault injection tool based on hardware, and designs and implements PCI Express bus test suite. The test suite is used to test a high-end fault-tolerant computer made in China, which provides several suggestions for improvement of the computer system. In addition, this paper designs and implements the PCI Express bus fault injection tool based on Linux kernel AER driver by studying the fault detection and fault handling mechanism of PCI Express bus, and tests it on HP Proliant ML150G6 server. The validity of the fault injection tool is verified and the fault-tolerant mechanism of the PCI Express bus software layer of the server is analyzed according to the test results. The implementation of this tool makes up for the deficiency that the hardware-based PCI Express bus fault injection tool is only suitable for evaluating the fault-tolerant mechanism of the PCI Express hardware layer, and the two tools cooperate with each other. It can comprehensively evaluate the fault tolerance of computer system software and hardware to PCI Express bus fault.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類(lèi)號(hào)】：TP302.8

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