- ONTAP 9.0 through ONTAP 9.5
- Cisco Nexus Cluster Switches
ONTAP generates an alert indicating that a cluster switch has rebooted.
Cluster::*> system health alert show -alert-id SwitchReboot_Alert
Indication Time: Wed Jan 2 00:00:00 2019
Probable Cause: The cluster switch "clussw1(FOX0000ZZZZ)" has
Possible Effect: Communication problems and cluster connectivity issues
Corrective Actions: 1) If the cluster switch was not rebooted on purpose, then
check the switch to ensure that it is operating normally.
2) If errors persist, contact technical support for
Wed Jan 2 00:00:00 UTC [Cluster-01: cshmd: hm.alert.raised:alert]: Alert Id = SwitchReboot_Alert , Alerting Resource = clussw1(FOX0000ZZZZ) raised by monitor cluster-switch
Wed Jan 2 00:05:00 UTC [Cluster-01: cshmd: hm.alert.cleared:notice]: Alert Id = SwitchReboot_Alert , Alerting Resource = clussw1(FOX0000ZZZZ) cleared by monitor cluster-switch
The cluster switch shows no evidence of a reboot and the uptime confirms that no switch reboot occurred.
clussw1# show system uptime
System start time: Thu Dec 1 00:00:00 2017
System uptime: 397 days, 11 hours, 6 minutes, 51 seconds
Kernel uptime: 397 days, 11 hours, 8 minutes, 41 seconds
Active supervisor uptime: 397 days, 11 hours, 6 minutes, 51 seconds
clussw1# show version | include uptime
Kernel uptime is 397 day(s), 11 hour(s), 8 minute(s), 43 second(s)