Monitors: determines health information and make sure items are working within specifications. Raise an alert if not.
Monitor can have up-to 3 status:
1. Success
2. Warning
3. Error
Types of monitors:
Roll up monitors
Aggregate rollup monitors, dependency rollup monitors.
Unit monitors:
SNMP, WMI PERFORMANCE, Log files, windows events, windows services, windows performance counters, scripting, WMI events.
Managing monitors:
Monitor types:
Ø Unit: monitors a specific item, such as single event or performance counter. These can be used as a basis for roll up monitors.
Ø Aggregate roll-up: monitors a group of monitors with the roll-up state being either best or worst of reflection.
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