币形电池实时时钟(RTC)电池错误地报告低电压或高电压状态

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适用场景

AFF A900
AFF A700
AFF A220
AFF C190
FAS9000
FAS2750
FAS2720

问题描述

标识

请使用以下方法帮助确定此问题描述。

EMS事件日志

EMS事件日志事件将显示如下内容：

[node1: env_mgr: monitor.rtcLowPower:error]: Real-time clock battery is dangerously low. Replace it at the next available maintenance window.

[NODE1:monitor.chassisPower.degraded:warning]: Chassis power is degraded: RTC Battery is in WARN LOW state current voltage is 2774 mV, normal low is 2800 mV

[env_mgr: monitor.rtcHighPower:error]: Real-time clock battery voltage is above normal (P3.3V Batt is warning high (3307 mV).)

[node1: env_mgr: monitor.rtcWarnLowPower:error]: Real-time clock battery voltage is below normal (2880 mV).

传感器状态

3伏电池传感器将显示为警报状态：

cluster1::> system node environment sensors show -state !normal

Sensor Name State Current Critical Warning Warning Critical Reading Low Low High High ------------------------------------------------------------------------------------------------- Bat 3.0V critlow 2545 mV 2545 mV 2702 mV 3503 mV 3575 mV

或者：

P3V Batt warnlow 2880 mV 2720 mV 2880 mV 3300 mV 3460 mV

system controller service-event show命令也会显示此故障。

cluster1::> system controller service-event show

Node ID Event Location Event Description ---------------- --- ---------------------------------- ---------------------- cluster1-01 1 Controller B on Chassis 1 P3V3_BATT: Voltage Sensor 26 UNC

BMC命令行界面system sensors和 events all命令或相应的SP-latest-IPMI和SP-latest-syslog AutoSupport 部分也会指示问题描述：

BMC> system sensors filter BAT

Sensor Name | Current | Unit | Status | LCR | LNC | UNC | UCR -----------------+------------+------------+------------+-----------+-----------+-----------+----------- P3V_BATT | 2.840 | Volts | nc | 2.720 | 2.880 | 3.300 | 3.460

BMC> events all

或

Record 1946: Sun May 29 23:44:14 2022 [IPMI.notice]: 6501 | 02 | EVT: 0150bdbd | Bat_3.0V | Assertion Event, "Lower Non-critical going low"

控制器警示LED

控制器上的琥珀色警告警示LED将亮起