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Foglight for Hyper-V 5.7.0 - User and Reference Guide

About Foglight for Hyper-V Agent administration Performance monitoring with the Hyper-V Environment dashboard Performance investigation with the Hyper-V Explorer Foglight for Hyper-V alarms Appendix: Hyper-V Agent error codes

Summary - Virtual Switch view

The Summary - Virtual Switch view illustrates the overall network utilization and the levels of overall network traffic for a selected virtual switch.
This view appears in the Quick-View on the left when you select a virtual switch in the Virtual Switches view.
This view is made up of the following embedded views:
•
Alarms
•
Packets Per Second
•
Product Information
•
Related Items
•
Top VMs
 
Table 68. Alarms
Description
Lists the alarms generated against the selected virtual switch.
Data displayed
•
Alarm Message. An explanation about why the alarm occurred.
 
•
Severity. Indicates the alarm severity: Warning, Critical, or Fatal.
 
•
Time. The time at which the alarm was generated.
Where to go next
Drill down on:
 
•
Alarm Message, Severity, or Time. Displays the Alarm dialog box, showing additional information about the alarm. For more information about alarms in Foglight, see the Foglight User Help.
 
Table 69. Packets Per Second
Description
Displays the utilization of the selected switch expressed thorough the rate of data packets it receives. This view illustrates the overall switch efficiency.
Data displayed
•
Utilization chart, Avg Utilization. The average percentage of the network resources available to the switch that are in use over the selected time period.
 
•
Utilization chart, Packets per Second. The average rate of the data packets that are sent to the virtual switch over the selected time period.
 
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Utilization table, Average Utilization. The average percentage of the network resources available to the switch that are currently in use.
 
•
Utilization table, Packets per Second. The average rate of the data packets that are sent to the virtual switch.
 
•
Utilization table, Sum Throughput. The current rate of network throughput for the selected switch.
Where to go next
Drill down on:
 
•
Utilization chart. Displays the Utilization dialog box.
Figure 139. Utilization dialog box
 
Table 70. Product Information
Description
Shows the name of the selected virtual switch along with some basic configuration information.
Data displayed
•
Ports. The number of ports that are available for use on the selected virtual switch.
 
•
Type. The type of the switch: Virtual Switch.
 
Table 71. Related Items
Description
Shows the numbers and states of the objects in your environment associated with the selected virtual switch.
Data displayed
•
Clusters. The number of clusters associated with the selected virtual switch, followed by the related alarm counts.
 
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Servers. The number of servers associated with the selected virtual switch, followed by the related alarm counts.
 
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Virtual Machines. The number of virtual machines that are associated with the selected virtual switch, followed by the related alarm counts.
 
•
Virtual Switch. Represents the selected virtual switch. Shows the counts of alarm generated against the switch.
Where to go next
Drill down on:
 
•
Clusters. Displays the Clusters dwell, showing the names and states of all clusters that are associated with the selected virtual switch.
Figure 140. Clusters dwell
 
•
Servers. Displays the Servers dwell, showing the names and state of the servers associated with the selected virtual switch.
Figure 141. Servers dwell
 
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Virtual Machines. Displays the Virtual Machines dwell, showing the names and states of all virtual machines that are associated with the selected virtual switch.
Figure 142. Virtual Machines dwell
 
•
Virtual Switch. Displays the Other Items Inventory dwell, showing the state of the selected virtual switch.
Figure 143. Other Items Inventory dwell
 
Table 72. Top VMs
Description
Identifies the virtual machines whose network traffic is managed by the selected virtual switch that have the highest network transfer rate.
Data displayed
•
Key. An indicator of how virtual machine ranks in the list of top consumers.
 
•
Receiving. The average inbound data transfer rate for the virtual machine.
 
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Sending. The average outbound data transfer rate for the virtual machine.
 
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Top VM chart, Receive Rate. The average inbound data transfer rate for the monitored switch over the selected time period.
 
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Top VM chart, Send Rate. The average outbound data transfer rate for the monitored switch over the selected time period.
 
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Virtual Machine. The name of the virtual machine identified amongst top network consumers.

Virtual Switch Topology view

A typical Hyper-V environment consists of many interrelated components. Understanding the dependencies between virtual switches and other components of your monitored environment allows you to better understand resource-related issues, potentially affecting the stability of your system. This can help you predict the impact a potential outage may have on your environment, and to prevent such events, by reallocating resources where they are most needed.
The Virtual Switch Topology View visualizes the relationships between the objects in your environment through an interactive map. The map illustrates how different components relate to each other, and the levels of the available resources available to them.
This view appears in the display area when you click View Topology In the Summary - Virtual Switch view.
Figure 144. Virtual Switch Topology view
The complexity of the information appearing in a dependency map depends on the selected object and the dependencies that object has with other objects within your integrated infrastructure.
In a large multi-component environment, dependency maps are likely complex and may not fit your screen. The NAVIGATOR in the top-right corner allows you to easily set the zoom level by dragging the slider into the appropriate position.
Figure 145. Navigator view
In a dependency map, some objects are represented with container tiles, others with single-object tiles or just icons. Every object in the map includes an indicator of its health.
Figure 146. Object health indicators
Dependencies between the objects in a map are illustrated with single-directional arrows. The color of the arrow reflects the alarm state of the target object: gray for Normal, yellow for Warning, orange for Critical, and red for the Fatal state.
Figure 147. Object dependencies
To find out more about an object appearing in the dependency map, click the object icon. A dwell appears, displaying more details about that object. The type and range of information appearing in the dialog box depends on the selected object’s type. For example, drilling down on a virtual switch shows the switch name, alarm counts top virtual machine consumers, levels of traffic utilization, percentage of packet loss, current traffic types, available bandwidth, the numbers of available and all ports, and the number of active versus standby NICs.
Figure 148. Virtual switch drilldown

About frequently asked questions

The Hyper-V Environment dashboard contains the FAQts tab that you can use to ask questions about your monitored systems and review the answers. In the Categories pane, the FAQts view shows several question categories. Clicking a category shows the questions belonging to that category in the Questions pane. From there, clicking a question shows the answer on the right.
Figure 149. FAQts tab
This tab also appears in the Hyper-V Explorer. For reference information about this tab, see Hyper-V Explorer FAQts.

About reports

Foglight for Hyper-V includes a report generation ability. This allows you to create reports using a set of predefined templates to report on the various aspects of your database environment. Foglight for Hyper-V includes a collection of predefined report templates.
You can generate, copy, and edit reports using the Reports tab on the Hyper-V Environment dashboard, or alternatively the Reports dashboard included with the Management Server.
Figure 150. Reports tab
For more information on how to use this tab to create and manage reports, see the Managing Capacity in Virtual Environments User Guide. For more information about the Reports dashboard, see the Foglight User Help.
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