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Foglight for Hyper-V 5.8.3 - User 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

Virtual machine monitoring

A virtual machine resides on a Hyper-V server. Virtual machines share many of the characteristics of physical systems (like storage and network interaction), but they do not have direct access to the hardware that is used to process. Each virtual machine runs on a guest operating system, for example, Microsoft Windows XP, and is allocated access to a specific set of the server’s resources, that includes the number of processors and the amount of memory it can leverage.

To review data collected about a specific virtual machine or all virtual machines, make your selection in the Quick-View.

Virtual Machines view

The Virtual Machines tree view lists the virtual machines existing in your environment and shows their state.

This view appears in the Quick-View on the left when you select the Virtual Machines tile in the Virtual Environment view.

Figure 104. Virtual Machines view

Selecting the All Virtual Machines node displays overall resource utilization for all virtual machines in your integrated system and the elements that consume the highest amount of system resources in the Summary - All Virtual Machines view on the right. Similarly, selecting a virtual machine node shows virtual machine-specific metrics in the Virtual Machine Summary view on the right.

Alarm severity. The state of the most recent alarm raised against the associated virtual machine.
All Virtual Machines. A parent node for the virtual machine object instances that appear in this view.
Virtual machine. The virtual machine name.

Drill down on:

Summary - All Virtual Machines view

The Summary - All Virtual Machines view displays overall resource utilization information for a group of virtual machines and shows the elements that consume the highest amount of system resources.

This view appears in the Quick-View on the left when you select All Virtual Machines in the Virtual Machines view.

This view is made up of the following embedded views:

Table 58. Alarms

Lists the alarms generated against the monitored system.

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.

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Severity. Displays the Alarm dialog box, showing additional information about the alarm. For more information about alarms in Foglight, see the Foglight User Help.
Figure 106. Alarm dialog box

Shows the top three virtual machines with the highest average CPU utilization.

Utilization. The total percentage of CPU utilization the top three CPU consumers spend on executing system code and user programs, during the selected time range.
Virtual Machine. The name of the virtual machine.

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Utilization (in the graph). Displays the Top Virtual Machines - CPU Utilization dialog box.

Shows the top three virtual machines that are consuming most network bandwidth.

Rate. The rate at which the top three network consumers transfer data to or from the network during the selected time range.
Virtual Machine. The name of the virtual machine that is one of the top three network consumers.

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Rate. Displays the Top Virtual Machines - Network Transfer Rate dialog box.

Shows the top three virtual machines with the highest average memory utilization.

Virtual Machine. The name of the virtual machine that is one of the top three memory consumers.
Total Memory. The current amount of memory available to the virtual machine.

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Table 62. Top Total Space

Shows the top three virtual machines with the highest available disk space.

Virtual Machine. The name of the virtual machine that is one of the top three disk consumers.
Total Space. The total amount of disk space available to the virtual machine.

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Virtual Machine Summary view

The Virtual Machine Summary view shows the overall resource utilization and the amounts of system resource consumption for a virtual machine.

This view appears in the Quick-View on the left when you select a virtual machine in the Virtual Machines view.

Figure 109. Virtual Machine Summary view

This view is made up of the following embedded views:

Table 63. Alarms

Lists the alarms generated against the selected virtual machine.

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.

Drill down on:

Alarm Message, Severity, or Time. Displays the Alarm Created dialog box, showing additional information about the alarm. For more information about alarms in Foglight, see the Foglight User Help.

Table 64. Related Items

Shows the numbers and states of the cluster and the server on which the selected virtual machine is running, and the virtual machine running on the selected server.

Cluster. The name of the cluster in which the selected virtual machine is running, followed by the counts of all alarms associated with the cluster, broken down by the alarm state (Normal, Warning, Critical, Fatal).
Server. The name of the server on which the selected virtual machine is running on, followed by the counts of all alarms associated with that server, broken down by the alarm state (Normal, Warning, Critical, Fatal).
Virtual machines. The name of the selected virtual machine, followed by the counts of all alarms associated with that virtual machine, broken down by the alarm state (Normal, Warning, Critical, Fatal).

Drill down on:

Alarm count. Displays a dwell that shows the objects against which alarms are generated.
Cluster. Displays the Clusters dwell, showing the name and state of the cluster in which the selected virtual machine is running.
Figure 111. Clusters dwell
Server. Displays the Servers dwell, showing the name and state of the server on which the selected virtual machine is running.
Figure 112. Servers dwell
Virtual Machines. Displays the Virtual Machines dwell, showing the name and state of the selected virtual machine.
Figure 113. Virtual Machines dwell

Shows the resource consumption for the selected virtual machine, broken down into four simple views.

CPU Load. The current percentage of the selected virtual machine’s CPU load, used to execute system code and user programs, based on the total CPU capacity allocated to that virtual machine.
CPU Utilization, % Used. The percentage of the virtual machine’s CPU utilization spent on executing system code and user programs during the selected time period.
CPU Utilization, Baseline. An envelope indicating the expected CPU utilization range based on historical data.
Disk I/O. The current disk I/O rate for the selected virtual machine.
Disk Transfer Rate. The rate at which data was read from or written to the disks associated with the selected virtual machine during the specified time period.
Disk Transfer Rate, Baseline. An envelope indicating the expected disk utilization range based on historical data.
Memory, Static Memory. The total amount of static memory available to the selected virtual machine.
Memory Load. The current percentage of the average memory usage by the selected virtual machine.
Memory Utilization, Assigned. The amount of memory that is allocated to the selected virtual machine during the specified time period.
Memory Utilization, Demand. The amount of memory that the selected virtual machine needs during the specified time period.
Network I/O. The current rate at which the selected virtual machine transfers data from and to the network.
Network Utilization, Baseline. An envelope indicating the expected network utilization range based on historical data.
Network Utilization, Transfer Rate. The rate at which the selected virtual machine transfer data to and from the network during the selected time period.
Total Memory. The total amount of memory that is available to the selected virtual machine.

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CPU Load spinner. Displays the CPU Load dialog box.
Figure 114. CPU Load dialog box
CPU Utilization graph. Displays the CPU Utilization dialog box.
Figure 115. CPU Utilization dialog box
Network I/O spinner. Displays the Network I/O dialog box.
Figure 116. Network I/O dialog box
Network Utilization graph. Displays the Network Utilization dialog box.
Figure 117. Network Utilization dialog box

Shows the name of the selected virtual machine, its status, and the basic configuration, including the name of the physical server associated with this virtual machine, virtualization application (Microsoft Hyper-V), and the OS.

NOTE: This view only appears in the Virtual Machine Summary composite view.
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