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Title
DBO - Oracle Listener Status rule didn't fire alarm -
Description
Customer had a planned outage to bring the Oracle listener down for a few minutes.
Notification was set to notify via email regarding listener and database status but customer did not receive any notification.
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Cause
The collection cycles was set for the agent at five minutes (300 seconds) and the duration that the listen was down was 300 seconds.
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Resolution
Reduced the collection setting for the database agents from 300 seconds to 60 (sixty) seconds.