Hi,
I've seem to notice that my path outage configuration doesn't reduce the
amount of notifications. It seems to actually double it.
This seems legit as, according to
https://www.opennms.org/wiki/Path_Outage_How-To path outage doesn't
suppress notifcations but rather creates an additionnal one for each
NodeDown event.
A look at the code (DefaultPollContext.java:createEvent and
BroadcastEventProcessor.java:checkCriticalPath) tends to confirm this
assertion: A nodeDown event where the node's critical path fails will
generate an additionnal uei.opennms.org/nodes/pathOutage event.
There's a "noticeSupressed" in the code. But, it seems to be used for
cosmetic purpose only (ie: additionnal parameter to the event).
Also, the "uei.opennms.org/nodes/pathOutage" doesn't seem to be used to
disable the polling of the other nodes behing the critical path. So,
OpenNMS will continue to poll those devices even when it has the knowledge
that their critical path is down.
So, in my understanding: (1) Path outage won't suppress a node's nodeDown,
interfaceDown, and nodeLostService events. And, (2) path outage won't
supress the same events from being sent for other nodes behind the same
critical path.
Is my understanding correct?
If yes, how does it help?
Best regards,
Cyrille
PS: Here's an example of what typically occurs on my side when a path
outage exist:
14020544 *Major* 10 déc. 2015 12:12:51 pdu-brueve-r01-11-b.fw.xyz.be
uei.opennms.org/nodes/pathOutage Edit notifications for event
pdu-brueve-r01-11-b.fw.belnet.be path outage. Critical path = 10.15.0.1
ICMP 14020543 *Major* 10 déc. 2015 12:12:45 pdu-brueve-r01-11-b.fw.xyz.be
uei.opennms.org/nodes/nodeDown Edit notifications for event Node
pdu-brueve-r01-11-b.fw.belnet.be is down. pathOutage
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