Symptom

Acknowledged and cleared alarms still exist in the current alarm list.

Possible Causes

A life cycle has been set. Acknowledged and cleared alarms are deleted from the current alarm list only after they pass the preset life cycle.
http://10.67.197.135:23002/hedex/pages/OMC/01/OMC/01/resources/help/faq/alarm/image/u_faq_000010_1.png

Procedure

http://10.67.197.135:23002/hedex/pages/OMC/01/OMC/01/resources/help/faq/alarm/image/u_faq_000010_2.png