AFF A800 因 L2 看门狗重置而重新启动

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适用于

AFF A800
ONTAP 9
BMC 10.2P1 或更高版本

问题

L2 watchdog 重置导致节点意外重启。
配对节点可能会在接管期间报告以下事件：

[Node-01: cf_hwassist: cf.hwassist.takeoverTrapRecv:notice]: hw_assist: Received takeover hw_assist alert from partner(Node-02), system_down because l2_watchdog_reset.

BMC 日志中包含以下信息。

示例：

Wed May 04 20:25:15.500000 2022 [IPMI.notice]: 03f6 | 02 | EVT: 6fc824ff | System_Watchdog | Assertion Event, "Timer interrupt" Wed May 04 20:25:15.940000 2022 [IPMI Event.critical]: NMI Wed May 04 20:25:15.940000 2022 [IPMI.notice]: 03f7 | 02 | EVT: 6f00ffff | CriticalInt | Assertion Event, "NMI/Diag Interrupt" Wed May 04 20:25:16.720000 2022 [IPMI.notice]: 03f8 | 02 | EVT: 6fc124ff | System_Watchdog | Assertion Event, "Hard reset" Wed May 04 20:25:16.920000 2022 [IPMI Event.critical]: L2 watchdog timeout hard reset Wed May 04 20:25:16.950000 2022 [IPMI Event.critical]: System reset Wed May 04 20:25:16.950000 2022 [IPMI Event.critical]: L2 watchdog action completed Wed May 04 20:25:16.950000 2022 [IPMI.notice]: 03f9 | 02 | EVT: 0301ffff | SysReset | Assertion Event, "State Asserted" Wed May 04 20:25:16.950000 2022 [IPMI.notice]: L2 to L1 is 1(s) 10000(us)