机械硬盘加速寿命试验及状态监测技术研究  

Research on Accelerated Life Test and Condition Monitoring Technology of Hard Disk Drives

作　　者：孟苓辉 董明 张诚权 侯波[1,2] 肖庆中 周振威[1,2] MENG Linghui;DONG Ming;ZHANG Chengquan;HOU Bo;XIAO Qingzhong;ZHOU Zhenwei(CEPREI,Guangzhou 511370,China;National Key Laboratory of Science and Technology on Reliability Physics and Application of Electronic Component,Guangzhou 511370,China;Liaoning Hongyanhe Nuclear Power Co.,Ltd.,Dalian 116319,China)

机构地区：[1]工业和信息化部电子第五研究所,广东广州511370 [2]电子元器件可靠性物理及其应用技术重点实验室,广东广州511370 [3]辽宁红沿河核电有限公司,辽宁大连116319

出　　处：《电子产品可靠性与环境试验》2024年第3期34-40,共7页Electronic Product Reliability and Environmental Testing

摘　　要：机械硬盘的健康状态监测和诊断对于企业的安全可靠运行和节约运维成本起着至关重要的作用。首先,分析了硬盘的基本组成和不同环境应力下的故障模式和机理;其次,根据实际运行环境制定了加速寿命试验,并在试验过程中对硬盘的SMART数据进行采集和存储;最后,经过对比和分析发现了该型号硬盘的敏感SMART参数,并发现寻道出错率具有明显的退化趋势,可用于故障预警和预测。The health status monitoring and diagnostic of hard disk drives(HDDs)are critically important for the secure and efficient operation of businesses,as well as for saving the operation and maintenance costs.Firstly,the basic components and the failure modes and mechanisms of HDDs under different environmental stresses are analyzed.Secondly,the accelerated life test is formulated according to the actual operating environment,and the SMART data of the HDDs is collected and stored.Finally,through comparison and analysis,sensitive SMART parameters for this model of hard drive are identified,and it is found that the error rate of seek has obvious degradation trend,which can be used for fault warning and prediction.

关 键 词：机械硬盘 加速寿命试验 SMART参数 状态监测 

分 类 号：TB114.37[理学—概率论与数理统计] TP301.6[理学—数学]