[NMS-8620] Restarting OMNS results in numerous SNMP outage alarms and notifications - The OpenNMS Issue Tracker

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Type: Bug
Status: Resolved (View Workflow)
Priority: Blocker
Resolution: Fixed
Affects Version/s: Meridian-2016.1.0, Meridian-2016.1.1, Meridian-2016.1.2, 18.0.1, 18.0.2
Fix Version/s: 18.0.4, 19.0.0, Meridian-2015.1.5, Meridian-2016.1.5
Component/s: Data Collection - SNMP, Event Reception - SNMP Traps, Polling / Monitors / Outages, Provisioning / Discovery / Importer
Security Level: Default (Default Security Scheme)
Labels:
None
Environment:
RHEL6

Doing a ONMS restart results in numerous (in our case, about 10% of our nodes, or 40 nodes) of our nodes reporting SNMP outages:

SNMP data collection on interface 192.168.x.x failed with 'Unexpected error during node SNMP collection for: 192.168.x.x'.

Most, but not all (in our case, about 85%) receive the following:

The SNMP outage on interface 192.168.x.x has been cleared. Service is restored

In addition to the email noise regarding these false positives, about 15% of the nodes remain in the "Nodes with Pending Problems" list.