One of the cluster network switches became unresponsive due to power cycle
Applies to
- ONTAP 9
- N9K-C9336C-FX2 cluster network switches
Issue
- One of the cluster network switches became unresponsive and was not reachable via ping
- DC team observed two amber lights on the switch.
- After a power cycle, the switch returned to normal operation, and the lights turned green.
- There was no indication of planned maintenance at the time of the incident.
- "
system health alert show"outputreports the following alert:
AlertID: SwitchInfoUpdateFailure_AlertResource: Switch01 Severity: MajorIndicationTime: Fri Jan 16 05:40:41 2026ProbableCause: Information from the Ethernet switch 'Switch01' is no longer being updated.
- Switch logs report the following messages:
Line 141464: Reset Reason (HW): PowerCycled (112) at time Fri Jan 16 07:00:31 2026Line 266465: Logging hw reset reason 112 for slotnum 0