list of monitors for a sub-device
Test - Name of what is being monitored; click to view/edit events for this monitor
Data - Information about the last gather of this monitor
Value - value gathered in the last run
Rate of Change - Difference between the current value and the last value, divided by the time between samples
Time Stamp - Date/Time of last gather for this monitor
Graph - A small representation of the current data gathered for this monitor; click on the graph for more options
Add - add a new monitor to this sub device
Edit - edits options of a monitor
Delete - deletes the monitor and everything underneath it
edit info about a monitor
Monitoring Type - specifies the type of test used for this monitor (Script, SNMP, SQL, or Internal)
Test Options - this section varies depending on the setting of Monitoring Type
Script Options
Script Test - specifies which script to run
Parameters - specifies a string which will be appended to the script's parameters. Parameter expansions are honored in this field.
SNMP Options
SNMP Test - specifies which SNMP test to run
Parameters - specifies a string which will replace the expansion %parameters% in SNMP OIDs.
SQL Options
SQL Test - specifies which SQL test to run
Parameters - specifies a string which will replace the expansion %parameters% in SQL queries.
Internal Options
Internal Test - specifies which internal test to run
Parameters - specifies a string used by the internal test
Graphing Options
Data Type - the RRDTOOL data type for this monitor
Absolute - a counter reset when read
Counter - an incrementing value interpreted as a rate (such as calculating your average speed with odometer readings)
Derive - a counter without overflow protection, permits graphing of negative rates
Gauge - the value read is the value used, such as temperatures
For a more complete discussion on when to use which data type, see the RRD Create manual page.
Minimum Value - the minimum value accepted by RRDTOOL as valid.
Maximum Value - the maximum value accepted by RRDTOOL as valid.