Custom Thresholding for specific nodes in OpenNMS
OpenNMS ships with the thresholds for some events already defined. For example, there is a memory threshold defined as: <group name="netsnmp-memory-nonlinux" rrdRepository="/opt/opennms/share/rrd/snmp/"> <expression type="low" expression="memAvailReal / memTotalReal * 100.0" ds-type="node" ds-label="" value="5.0" rearm="10.0" trigger="2"/> </group> ie. if free memory drops below 5% then an event will be created. The alert will be cancelled automatically if [...]
