CFBMC-6884：拔掉电源线时，AFF A70 "system controller environment show" 将 PSU 报告为 "GOOD"
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问题描述
从 PSU 中拆除电源线在环境中显示"良好"状态。示例： ::> event log show
Time Node Severity Event
---- --------- -------- ---------------------------
... node_name NOTICE monitor.chassisPowerSupply.degraded: Chassis power supply 1 is degraded: PSU1 In Curr is Unreadable
... node_name NOTICE monitor.chassisPowerSupply.degraded: Chassis power supply 1 is degraded: PSU1 In Volt is Unreadable
::> system controller environment show
Node FRU Name State
--------- -------- -----
node_name PSU2 FRU GOOD
node_name PSU1 FRU GOOD
...