Handling L2 Watchdog Resets on the FAS8020 / FAS8040 / FAS8060 / FAS8080 / AFF8020 / AFF8040 / AFF8060 / AFF8080
Applies to
- ONTAP 9
- FAS8020 / FAS8040 / FAS8060 / FAS8080 / AFF8020 / AFF8040 / AFF8060 / AFF8080
Issue
- Node reboots unexpectedly
- Node does not reboot after an unexpected shutdown
Service Processor logs on the impacted node show the following:
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
- 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.