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An Introduction to Integrating Partner Applications with VPO
VPO Conceptual Overview
Chapter 1 39
Threshold Monitors
The threshold monitoring capability of VPO is also a source of messages.
It enables you to manage nodes more proactively by tracking the
development of potential problems. When the predefined threshold for a
monitored object is exceeded, a message is generated.
VPO can collect monitoring information for basic system variables by
accessing the SNMP Management Information Base (MIB). This service
can be extended to any SNMP variable and to user-defined objects
provided by your own monitoring applications.
Monitor values from external applications or scripts can be sent directly
to the VPO agent on any managed node by the Agent Monitor API, to be
locally checked against predefined thresholds, see Chapter 4, “Using the
VPO Application Programming Interfaces,” on page 163.
Performance metrics are collected by the embedded performance
component that is part of the VPO agents. The performance component
collects performance counter and instance data from the operating
system.
Legacy Link Interface API
To integrate hardware platforms that are not, or not yet, supported by
VPO, the Legacy Link Interface API is provided to receive and pass
on management information, see “Overview of the Legacy Link
Interface” on page 178.