Dell Vizioncore Manual de usuario descargar pdf (Pagina 248)

248 vFoglight

Administration and Configuration Guide

From here, you can proceed to “Defining Rules” on page 248.

Defining Rules

Rule definitions can consist of any if the following components:

• Registry Variables. A registry variable can be used in rule conditions,

expressions, and actions. Registry variables are stored in the vFoglight registry. A

registry variable can have a global value that is available to all topology types and

objects. It can also have multiple additional values associated with specific

topology types or objects. In addition, these values can be configured to change at

certain times.

• Metrics. A metric is a specified value that is measured over time. In vFoglight,

each metric is associated with a topology type or with a specific topology object.

There are two types of metrics in vFoglight:

• Raw Metrics. Raw metrics are collected by the agents directly from your

monitored environment and sent to the vFoglight Management Server.

• Derived Metrics. Derived metrics are calculated from one or more (raw or

derived) metrics. They are scoped to a topology type and can optionally be

scoped to specific objects of that type. Many derived metrics will

automatically be included with vFoglight and its cartridges, and additional

derived metrics can be created from the vFoglight Administration Module.

Note Derived metrics are listed on the Manage Derived Metrics dashboard in the

Administration module (Data > Manage Derived Metrics). However, no distinction

is made between raw metrics and derived metrics in other locations in vFoglight

or in the vFoglight Administration Module.

• Topology Object Properties. Topology object properties describe a topology

object. These properties are collected by vFoglight from your monitored

environment, generally from the configuration data for the object.

Both simple rules and multiple-severity rules include a scope, conditions, expressions,

messages, and actions. Once you create a rule, you can assign values to it, associate

values with specific topology types or objects, or configure performance calendars for

each value.

For an example of how to define a simple rule, see “Example: Creating a Simple Rule”

on page 313.

For instructions, see the following sections:

•“Getting started with rule definitions” on page 249

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Dell Vizioncore Manual de usuario Pagina 248