.. _nbi-appendix-c: ---------------------------- Appendix C: Alarm Definition ---------------------------- SNMP allows a northbound monitoring system (NOC) to receive notifications in the form of traps or informs in response to events, threshold violations, whatever the trap definitions in the loaded MIBs are. Notifications are categorised at three levels (INFORM, WARNING, ERROR) and the NBI may be set to report at a certain level or above. The following event notifications are reported by NBI. ================= ================================== ===================================================== =============== **Event** **Entity to monitor** **Message** **Severity** System Startup snmpTrapOID .iso.org.dod.internet.snmpV2.snmpModules.snmpMIB. Info snmpMIBObjects.snmpTraps.coldStart System Shutdown snmpTrapOID .iso.org.dod.internet.private.enterprises.netSnmp. Critical netSnmpNotificationPrefix.netSnmpNotifications. nsNotifyShutdown Service Changes snmpTrapOID Process Restart Info Service Changes snmpTrapOID Process Warning, Process Stop, Process Error Critical Disk Status mteTriggerFired mteHotTrigger.0 DISK ALMOST FULL: Disk is more than 80 Critical percent full DISK FULL: Disk full Disk Status mteTriggerFired mteHotTrigger.0 DISK STATUS: Disk is now running below Info 80 percent Disk Latency mteTriggerFired mteHotTrigger.0 ERROR: Disk slow Critical Disk Latency mteTriggerFired mteHotTrigger.0 INFO: The disk latency returned to normal Info ================= ================================== ===================================================== =============== ================= ================================== ===================================================== =============== **Event** **Entity to monitor** **Message** **Severity** Health Emails mteTriggerFired mteHotTrigger.0 ERROR: Trouble sending health email Minor Health Emails mteTriggerFired mteHotTrigger.0 INFO: Health emails is now being sent Info Mailbox Status mteTriggerFired mteHotTrigger.0 INFO: Messages for auto archived as it Info reached more than 500 Mailbox Status mteTriggerFired mteHotTrigger.0 INFO: The total local messages for has Warning reached in excess of 200 Mailbox Status mteTriggerFired mteHotTrigger.0 INFO: The total local messages for is Info now under 200 Health Emails mteTriggerFired mteHotTrigger.0 WARNING: Not all notify levels is configured with Minor an external email address Health Emails mteTriggerFired mteHotTrigger.0 INFO: All notify levels is now configured with an Info external email address Large Log Files mteTriggerFired mteHotTrigger.0 ERROR: Log files larger than 1Gig found in Urgent /var/log Large Log Files mteTriggerFired mteHotTrigger.0 INFO: /var/log rotated Info Service Status mteTriggerFired mteHotTrigger.0 ERROR: Service Failures Critical Service Status mteTriggerFired mteHotTrigger.0 INFO: Services started successfully Info ================= ================================== ===================================================== =============== ================= ================================== ===================================================== =============== **Event** **Entity to monitor** **Message** **Severity** Network Status mteTriggerFired mteHotTrigger.0 ERROR: Network Failures Critical Network Status mteTriggerFired mteHotTrigger.0 INFO: Network failures resolved Info Memory Usage mteTriggerFired mteHotTrigger.0 ERROR: Memory swap error Critical Memory Usage mteTriggerFired mteHotTrigger.0 INFO: Memory usage returned to normal Info CPU Usage mteTriggerFired mteHotTrigger.0 ERROR: Excessive Load Critical CPU Usage mteTriggerFired mteHotTrigger.0 WARNING: High CPU usage Urgent CPU Usage mteTriggerFired mteHotTrigger.0 ERROR: Extremely high CPU usage Critical NTP Status mteTriggerFired mteHotTrigger.0 WARNING: The ntp daemon has stopped on Critical NTP Status mteTriggerFired mteHotTrigger.0 WARNING: The ntp offset exceeds 1 second on Urgent NTP Status mteTriggerFired mteHotTrigger.0 ERROR: No ntp configured for Urgent DNS status mteTriggerFired mteHotTrigger.0 WARNING: No dns configured for Urgent Domain Status mteTriggerFired mteHotTrigger.0 WARNING: No domain configured for Urgent ================= ================================== ===================================================== ===============