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Handling L2 Watchdog Resets on the FAS90 / FAS70 / ASA A1K / ASA A90 / ASA A70 / AFF A1K / AFF A90 / AFF A70 / AFF C80

  1. Last updated
    Apr 23, 2025
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aff-series
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HW
Last Updated:
4/23/2025, 12:47:38 PM

Applies to

  • ONTAP 9
  • FAS90, FAS70
  • ASA A1K, ASA A90, ASA A70
  • AFF A1K, AFF A90,  AFF A70, AFF C80

Issue

  • Node reboots unexpectedly.
  • Node does not reboot after an unexpected shutdown.
  • BMC events all output on the impacted node shows the following:

Record 499: Wed Apr 02 23:02:34.264247 2025 [IPMI.notice]: 01aa | 02 | EVT: 6fc824ff | System_Watchdog | Assertion Event, "Timer interrupt"
Record 500: Wed Apr 02 23:02:34.646754 2025 [IPMI Event.critical]: NMI
Record 501: Wed Apr 02 23:02:34.651210 2025 [IPMI.notice]: 01ab | 02 | EVT: 6f00ffff | CriticalInt | Assertion Event, "NMI/Diag Interrupt"
Record 502: Wed Apr 02 23:02:35.492102 2025 [IPMI.notice]: 01ac | 02 | EVT: 6fc124ff | System_Watchdog | Assertion Event, "Hard reset"
Record 503: Wed Apr 02 23:02:35.624499 2025 [IPMI Event.critical]: L2 watchdog timeout hard reset
Record 504: Wed Apr 02 23:02:35.655394 2025 [IPMI Event.critical]: System reset

  • If node reboots, the following error can be seen in the EMS log files:

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

 

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