Introducing Views, Rules, and Data. Dell Vizioncore

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Introducing Views, Rules, and Data. Dell Vizioncore | Manualzz

1

Introducing Views, Rules, and Data

Review this chapter if you are unfamiliar with views, rules, and data in vFoglight.

This chapter contains the following sections:

Overview of Views .......................................................................................................................34

Overview of Rules .......................................................................................................................35

Overview of Data .........................................................................................................................36

4 vFoglight

Reference Guide

Overview of Views

vFoglight displays monitoring data in views that group, format, and display data. The main types are described below.

Dashboards are top-level views that do not receive data from other views. Dashboards usually contain a number of lower-level views. The dashboards supplied with vFoglight, as well as those created by users, are available in the navigation panel.

Lower-level views in vFoglight can be added to dashboards or can be accessed by drilling down from a dashboard. They receive and display data directly from the vFoglight Management Server or from other views. Some views filter or select data that appears in other views in the same dashboard. Some are tree views with expandable nodes for selecting servers, applications, or data.

Introducing Views, Rules, and Data

Overview of Rules

Overview of Rules

vFoglight allows you to create flexible rules that can be applied to complex, interrelated data from multiple sources within your distributed system. You can associate several different actions with a rule, configure a rule so that it does not fire repeatedly, and associate a rule with schedules to define when it should and should not be evaluated.

Different types of data can be used in rules, including registry variables, raw metrics, derived metrics, and topology object properties.

There are two types of rules in vFoglight: simple rules and multiple-severity rules. A simple rule has a single condition, and can be in one of three states: Fire , Undefined , or

Normal . A multiple-severity rule can have up to five severity levels: Undefined , Fatal ,

Critical , Warning , and Normal .

Rule conditions are regularly evaluated against monitoring data (metrics and topology object properties collected from your monitored environment and transformed into a standard format). Therefore, the state of the rule can change if the data changes. For example, if a set of monitoring data matches a simple rule’s condition, the rule enters the Fire state. If the next set does not match the condition, the rule exits the Fire state and enters the Normal state.

A rule condition is a type of expression that can be true or false. When it evaluates to true, the rule is said to fire, causing any actions that are associated with the rule or severity level to be performed. You can configure a rule to perform one or more actions upon entering or exiting each state. When a multiple-severity rule fires, an alarm also appears in vFoglight.

See “Introduction to Rules” and “Creating and Editing Rules” in the vFoglight

Administration and Configuration Guide for more information.

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4 vFoglight

Reference Guide

Overview of Data

The ’ agents collect and store data in the vFoglight database. This data can be viewed

graphically (as described in the Views chapter) and in tabular format. The data tables for

each of the supported agents are described in this chapter.

Access to the data tables is through the Data Browser, which is part of vFoglight. For further information, refer to the vFoglight User Guide .

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