Cisco 交换机发生电源事件后，会生成错误的交换机电源故障警报
适用场景
- Cisco Nexus 集群交换机
问题描述
- 发生了一个影响交换机的电源事件、在此之后、我们偶尔会在EMS日志中看到以下警报：
Wed Aug 18 09:15:13 -0400 [node1: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerFail_Alert , Alerting Resource = sw1(FOCXXXXXXXX)/PowerSupply-1 raised by monitor cluster-switch
Wed Aug 18 09:15:13 -0400 [node1: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerFail_Alert , Alerting Resource = sw1(FOCXXXXXXXX)/PowerSupply-2 raised by monitor cluster-switch
Wed Aug 18 09:15:13 -0400 [node1: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerFail_Alert , Alerting Resource = sw2(FOCXXXXXXXX)/PowerSupply-2 raised by monitor cluster-switch- 尽管已对 PSU 进行物理检查并确认其正常运行，但有关此问题的运行状况警报一旦清除，就会重新出现
- 尽管如上所述、受影响的PSU已确认正常运行、但交换机仍会显示以下信息：
`show environment`
switch1: Power Supply: Voltage: 12 Volts Power Actual Actual Total Supply Model Output Input Capacity Status (Watts ) (Watts ) (Watts ) ------- ---------- --------------- ------ ---------- -------------------- 1 NXA-PAC-650W-PE 0 W 0 W 0 W Shutdown 2 NXA-PAC-650W-PE 0 W 0 W 0 W Shutdown switch2: Power Supply: Voltage: 12 Volts Power Actual Actual Total Supply Model Output Input Capacity Status (Watts ) (Watts ) (Watts ) ------- ---------- --------------- ------ ---------- -------------------- 1 NXA-PAC-650W-PE 84 W 95 W 650 W Ok 2 NXA-PAC-650W-PE 0 W 0 W 0 W Shutdown