一、更换前确认故障IO电源，包括Location；1、 通过HMC事件管理（HMC版本不同可能进入方式不一样），检查报错，并记录报错的FRU或者PN号、Location；2、 在AIX系统下，执行errpt等相关命令获取报错部件的FRU或者PN号、Location；3、 通过LED状态灯确认故障部件及位置； [img=554,343]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg[/img] 事件管理示例二、更换过程1、 进入hmc控制台，选择Service Application----àService Focal Point ----à Repair ServiceableEvent[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image004.jpg[/img]2、进入后看到如下界面[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image006.jpg[/img]3、我们看到第三项为这次IO DCA电源故障报错对应的系统，选择后开始更换。[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image008.jpg[/img]4、选择OK后可看到电源告警的详细信息[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image010.jpg[/img]5、选中需要更换的部件（44p4672），选择标题栏中的Actions菜单栏中Repair选项开始进入更换过程。[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image012.jpg[/img]1.[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image014.jpg[/img]2.[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image016.jpg[/img]3.通过LED灯变化确认报错电源位置[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image018.jpg[/img]4．这时候I/O DCA电源上的黄色指示灯开始闪烁[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image020.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image022.jpg[/img]5．在HCM上显示入下图[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image024.jpg[/img]下图显示E1与E2位置示意[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image026.jpg[/img]6.点击Next后，会有一个注意事项：如果不按照这个更换步骤进行操作，可能造成该部件或者系统的损坏[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image028.jpg[/img]7.[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image030.jpg[/img]8.根据提示拔掉连接电源的Cable，并用专用的工具拆卸固定I/ODCA的螺丝。拆卸时要注意必须平均的旋拧螺丝，以使得电源可以平行被拆下来。[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image032.jpg[/img]9.安装步骤同拆卸步骤相反，入下图也特意标注了螺丝的安装方法。装好后，点击Next仅进入下一步。[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image034.jpg[/img]10.[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image036.jpg[/img]11.升级部件的微码（自动）。[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image038.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image040.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image042.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image044.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image046.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image048.jpg[/img]14.灭灯、重置、更换成功[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image050.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image052.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image054.jpg[/img]15.完成更换（这一步要求写一些更换信息，可以随便写写就行），最后别忘记关闭系统报警灯。[img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image056.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image058.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image060.jpg[/img][img=553,419]file:///C:/Users/stella/AppData/Local/Temp/msohtmlclip1/01/clip_image062.jpg[/img]