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Foglight for OpenStack 5.7.2 - User Guide

Using Foglight for OpenStack Interacting with Foglight for OpenStack dashboards Reference

Alarms Overview

Purpose and content
The Alarms Overview shows the OpenStack alarms, grouped by object type and severity level. Use it as a starting point when monitoring alarms to quickly identify the sources of problems within the OpenStack infrastructure.
This view appears at the top of the OpenStack Alarms dashboard, above the Alarms List view.
Figure 47. Alarms Overview
The alarm counts are the total number of alarms for each alarm type: Normal, Warning, Critical, and Fatal. You can drill down on any alarm count by clicking it. The Alarms dialog box appears with a list of all related alarms.

Alarms List view

Purpose and content
The Alarms List view shows all alarms fired in your OpenStack environment. For each alarm entry, the list shows the severity, the time the alarm was fired, the rule name that triggered the alarm, and the alarm message.
The Alarms List view appears on the OpenStack Alarms dashboard, just below the Alarms Overview.
Figure 48. Alarms List view
Description of the data displayed
 
Table 1. Alarms List fields
Data displayed
Description
Object indicator
Indicates which object type the alarm is related to.
Severity
Indicates the alarm severity: Warning, Critical, or Fatal.
Time
The time at which the alarm was generated.
Rule Name
The name of the rule that triggered the alarm.
Alarm Message
An explanation about why the alarm occurred.
Where to go next
Clicking an alarm’s Severity, Rule Name, or Alarm Message displays the Alarm Created dialog box, showing additional information about the alarm.
Figure 49. Alarms Created dialog box
Clicking an alarm’s object indicator takes you to summary information for that particular resource object.

OpenStack Explorer Dashboard View

The OpenStack Explorer dashboard view takes up the entire display panel of the browser interface. For more information about the OpenStack Explorer dashboard, see Using the OpenStack Explorer dashboard .
Purpose
The OpenStack Explorer dashboard view is the most content-intensive view in Foglight for OpenStack. It provides access to summary (of alarms and resource utilizations) information for the object being viewed in the OpenStack Explorer dashboard.
Figure 50. OpenStack Explorer dashboard view
Content and embedded views
The metrics and the amount of detail displayed in each view varies depending on the resource object or group of objects you select on the Topology tab.
The OpenStack Explorer heading, at the top of the OpenStack Explorer dashboard view, consists of three main components:
•
An icon and text that specify the type of selected object or group of objects.
•
An alarm summary for the selected object.
•
Navigation tabs.
The alarm summary at the right of the view heading shows you the number of alarms at each severity level that are outstanding for the selected object. When you click an alarm count, you get a pop-up that lists the active alarms for the object.
Navigation tabs are located immediately below the selected resource object’s name. Click these tabs to see valuable information about the object being viewed.
Foglight tiles display information about the cloud infrastructure and the alarms currently active for the entities in the OpenStack infrastructure. For more information on Foglight tiles, see Foglight tiles .
For information the various tabs available in OpenStack Explorer, see the following:
•
Alarm Analytics tab
•
CPU tab
•
FAQts tab
•
Memory tab
•
Performance tab
•
Resource Utilizations view
•
Storage
•
Summary tab
•
Summary and Resource Information view
•
Topology tab

Performance tab

This tab is available in the OpenStack Explorer. To find it, open the OpenStack Explorer and on the Topology tab, that appears on the navigation panel, select any configured object of type Region, Availability Zone, Host Aggregate, Host, Instance, or Volume. In the OpenStack Explorer, open the Performance tab.
NOTE: The Performance tab for Volume contains one embedded view, Volume Usage.
Purpose and content
This tab displays the resource utilization for the selected object or group of objects over a selected time.
Figure 51. Availability Zone: Performance tab
Description of embedded views
This tab is made up of the following embedded views:
•
CPU
•
Memory
•
Network
•
Disk
•
Volume Usage
CPU
This view shows the CPU Utilization summary for the selected component based on the total capacity of CPU % used during a selected time period.
Memory
This view shows the physical memory utilization summary for the selected component, including the amounts of memory that is swapped to disk, actively used, and consumed, all during a selected time period.
Network
This view shows the network utilization summary for the selected component, including the average rate of network throughput, the amounts of data sent to and received from the network, and the amount of data dropped, all during a selected time period.
Disk
This view shows the disk utilization summary for the specified host, including the rates of data that is read from or written to the disk, the number of reads or writes per second, and the read or write latency in milliseconds, during a selected time period.
Volume Usage
This view shows the usage statistics for the selected volume.
NOTE: This view only appears when you are exploring Volume details.
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