Remove the "Acknowledged" mark from an active alarm
To remove the "Acknowledged" mark from an active alarm, perform the following actions:
-
Press the
button in the views panel. -
In the dropdown menu at the top of the screen, select "Active alarms".
-
Press the right mouse button on the the acknowledged alarm, that needs to be unacknowledged.
-
In the context menu select the " Unacknowledge" item:

Unacknowledge alarm
REST API
To remove the "Acknowledged" mark from an active alarm via the REST API, use the Undo Incident Acknowledgement request.
This request requires an alarm ID.
Пример запроса через curl
login=<...>
password=<...>
saymon_hostname=<...>
incident_id=<...>
url=https://$saymon_hostname/node/api/incidents/$incident_id/unacknowledge
curl -X POST $url -u $login:$password