EM 13c: Enterprise Manager 13c Cloud Control Issues Intermittent Exadata Alerts for server_os Access point is down

(Doc ID 2260815.1)

Last updated on APRIL 24, 2018

Applies to:

Enterprise Manager Base Platform - Version 13.2.0.0.0 to 13.2.0.0.0 [Release 13.2]
Information in this document applies to any platform.

Symptoms

Enterprise Manager 13.2 Cloud Control issues false alerts for the oracle_si_server_os targets.
At the time of alerts, no errors are evident in the gcagent_sdk.trc EM 13.2 Agent log file.

The alert in EM 13.2 Incident Manager looks like this:




This is an example of a notification sent from EM 13.2 Incident Manager:

 
From this, it appears EM 13,2 Cloud Control has determined that the target OS is down when the ssh connection between the agent  host(Domu) and target host(Dom0) times out.
However, in practice, ssh connectivity between 
DomU and Dom0 is working.

 

 

 

 

Cause

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