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Using the Integration Capabilities of the VPO Motif-based GUI
Event Integration Through Messages
Chapter 3100
Defining Templates for Threshold Monitors
This section describes the different types of monitors that are available,
and how to define your own monitors using the VPO administrator’s
GUI.
Overview of VPO Monitoring Capabilities
VPO enables the monitoring of numeric values that are determined
either by:
❏ Program
Calling a program at regular intervals that submits a numeric value
to VPO.
❏ External Program
Accepting numeric values that are determined by some external
mechanism and passed to VPO. These values can be accepted at any
time.
❏ MIB variables
Polling MIB variables at regular time intervals.
The primary mechanism for monitoring numeric values in VPO is
threshold monitoring. Threshold monitors can be set up to use any of
the above methods to determine new values. Threshold monitors can,
therefore, be used to poll MIB variables and to monitor any other values.
Threshold monitors are designed to watch numeric values which might
indicate problems, and to generate messages as soon as a potential
problem is detected. It is, however, important to avoid overwhelming
operators by generating many redundant messages. To prevent such a
flood of redundant messages, VPO threshold monitors enable redundant
messages to be filtered out, for example, by defining time intervals after
which a new message may be generated. As with other VPO message
sources, the full set of action options (automatic and operator-initiated
actions, automatic acknowledgment, etc.) can be configured for the
messages generated by a threshold monitor, together with instructions,
external notification, and trouble ticket services. Threshold monitors do
not, by default, store the data that has been collected.