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コイン型電池のリアルタイムクロック(RTC)バッテリの電圧が低い、または高いと誤って報告される

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hw
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環境

  • AFF A900
  • AFF A700
  • AFF A220
  • AFF C190用
  • FAS9000
  • FAS2750
  • FAS2720
  • FAS8200

問題

識別情報

この問題を識別するには、次の方法を使用します。

EMSイベントログ

[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).

センサーの状態
  • 3 Vバッテリーセンサーは警告状態で表示されます。

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

または

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

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 CLI system sensors コマンドと events all コマンド、または対応する sp-latest-ipmi セクションとsp-latest-syslog AutoSupportセクションにも問題が表示されます。

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

Record 904: Wed Mar 18 02:14:02.350000 2020 [IPMI.notice]: 0001 | 02 | EVT: 0157bdbd | P3V3_BATT | Assertion Event, "Upper Non-critical going high" | Reading: 3.307 | Threshold: 3.307
 

または

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"

 

コントローラ警告LED
  • コントローラの黄色の警告LEDが点灯します。

 

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