在AFF A700和FAS9000平台上处理L2 watchdog重置

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适用场景

AFF A700系统
FAS9000系统

问题描述

节点意外重新启动
节点在意外关闭后未重新启动

受影响节点上的服务处理器日志显示以下内容：

Record 454: Mon Feb 08 11:49:20.924775 2021 [IPMI Event.critical]: L2 watchdog timeout hard reset Record 455: Mon Feb 08 11:49:20.984259 2021 [Trap Event.critical]: hwassist l2_watchdog_reset (29) Record 456: Mon Feb 08 11:49:23.000822 2021 [SP.critical]: Filer Reboot

如果节点重新启动、则EMS日志文件可能会显示以下错误

[cluster-01:mgr.boot.reason_abnormal:EMERGENCY]: System rebooted due to a watchdog reset.

如果节点无法重新启动，则 system senors 从SP可能会显示senors unavailblena()或faulted ()Fault

Sensor Name | Current | Unit | Status | LCR | LNC | UNC | UCR -----------------+------------+------------+------------+-----------+-----------+-----------+----------- SYSTEM: System_FW_Status | na | discrete | na | na | na | na | na System_Watchdog | 0x0 | discrete | | na | na | na | na Wrench_Port_Up | na | discrete | na | na | na | na | na CONTROLLER_A: PCM_Status | 0x0 | discrete | Fault | na | na | na | na Attn_Sensor1 | 0x0 | discrete | Asserted | na | na | na | na CPU-1_DTS_Temp | na | degrees C | na | na | na | -10.000 | 0.000 CPU-2_DTS_Temp | na | degrees C | na | na | na | -10.000 | 0.000 CPU0_PVCCP | na | Volts | na | 1.580 | 1.670 | 1.920 | 2.010 CPU1_PVCCP | na | Volts | na | 1.580 | 1.670 | 1.920 | 2.010