If you need to reset the list of failover list, you can use: cphaprob -reset -h show_failover
Here is an example:
# cphaprob show_failover
Last cluster failover event:
Transition to new ACTIVE: Member 2 -> Member 1
Reason: Member state has been changed due to restart of the Cluster module
Event time: Mon Mar 3 20:37:01 2025
Cluster failover count:
Failover counter: 1
Time of counter reset: Thu Feb 27 14:41:41 2025 (manual)
Cluster failover history (last 20 failovers since reboot/reset on Thu Feb 27 14:41:33 2025):
No. Time: Transition: CPU: Reason:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1 Mon Mar 3 20:37:01 2025 Member 2 -> Member 1 00 Member state has been changed due to restart of the Cluster module
# cphaprob -reset -h show_failover
Last cluster failover event:
Transition to new ACTIVE: Member 2 -> Member 1
Reason: Member state has been changed due to restart of the Cluster module
Event time: Mon Mar 3 20:37:01 2025
Cluster failover count:
Failover counter: 1
Time of counter reset: Thu Feb 27 14:41:41 2025 (manual)
Cluster failover history (last 20 failovers since reboot/reset on Tue Mar 4 12:55:26 2025):
No. Time: Transition: CPU: Reason:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
No failover was detected since last reboot/reset
# cphaprob show_failover
Last cluster failover event:
Transition to new ACTIVE: Member 2 -> Member 1
Reason: Member state has been changed due to restart of the Cluster module
Event time: Mon Mar 3 20:37:01 2025
Cluster failover count:
Failover counter: 1
Time of counter reset: Thu Feb 27 14:41:41 2025 (manual)
Cluster failover history (last 20 failovers since reboot/reset on Tue Mar 4 12:55:26 2025):
No. Time: Transition: CPU: Reason:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
No failover was detected since last reboot/reset
I will update here once the documentation is updated with relevant data.