Print

MSR5680电源配置较低引起HMIM卡abnormal故障

告警信息

%Nov 12 15:27:28:199 2024 H3C DEV/2/SUBCARD_FAULT: Subcard state changed to Fault on slot 6 subslot 5, type is unknown.
%Nov 12 15:30:29:799 2024 H3C DEV/2/SUBCARD_FAULT: Subcard state changed to Fault on slot 6 subslot 5, type is unknown.

问题描述

安装HMIM-8GSW板卡,只能识别一块,后插的板卡为abnormol,支持的槽位都测试过,都是这个现象,如下图所示

已经插有3块子卡,后插的第四块不管在哪个槽位插入都是abnormal

过程分析

 

查看官网手册,在当前X1主控下,上述子卡并无数量限制

仔细查看诊断信息,发现有一个电源fail

  ===============display power-supply verbose=============== 

  Index           Status            Type              Descriptio

  -----------------------------------------------------------

  PWR1          normal          AC          PSR300-12A2

  PWR2          fail                        

  PWR3          absent                         

  PWR4          absent                         

 

System power capacity: 300W

Remaining power for HMIM: 50W

 

从上述回显可知在300W电源下仅剩50W给HMIM子卡,查询官网手册这4块子卡功率,8+8+22+6为44W,逼近50W,在单电源下会发生可能会发生不稳定现象,后插的子卡无法正常使用

 

解决方法

判断是电源配置过低,售前给出满配4个300W电源方案,满配后问题解决