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Foglight for Hyper-V 5.7.7 - 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

Performance monitoring with the Hyper-V Environment dashboard

Performance monitoring with the Hyper-V Environment dashboard

A typical virtual environment contains a set of physical servers and virtual machines. A physical server can be a part of a cluster, and can have one or more virtual machines associated with it. You can view the overall state of these components on the Hyper-V Environment dashboard.

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Accessing the Hyper-V Environment dashboard
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Monitoring tab
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About frequently asked questions
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About reports
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Foglight Chargeback
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Foglight for Capacity Management
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Foglight Resource Optimizer for Hyper-V Environments

Accessing the Hyper-V Environment dashboard

Accessing the Hyper-V Environment dashboard

When you navigate to the Hyper-V Environment dashboard for the first time, the Monitoring tab appears. This tab provides an overall summary of your virtual environment.

Figure 10. Hyper-V Environment dashboard

To access the Hyper-V Environment dashboard:
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Log in to the Foglight browser interface.
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Ensure that the navigation panel is open.
To open the navigation panel, click the right-facing arrow on the left.
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On the navigation panel, under Homes, click Hyper-V Environment.
The Hyper-V Environment dashboard appears in the display area.
The Hyper-V Environment dashboard shows summary information about the clusters, servers, and virtual machines in your environment, and additional information about each specific component.
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Select the Clusters, Servers, Virtual Machines, SOFS Servers, SCVMM Servers, Storage, or Virtual Switches tile from the top left.

Monitoring tab

The Monitoring tab allows you to select a monitoring object or a group of objects, such as clusters, servers, virtual machines, virtual switches, or volumes, and review the data associated with your selection. For example, selecting all servers identifies the top three consumers of CPU, memory, network, and disk resources and shows the related alarm states. Selecting a specific server shows the CPU, memory, network, and disk usage for the selected server, along with high-level hardware and software configuration.

Gauge charts

The data of CPU, memory, network, and disk usage are represented using a spinner (also known as rotating wheel) which is divided into four severity levels, including Normal (in green), Warning (in yellow), Critical (in orange), and Fatal (in red).

Figure 11. Rotating wheels shown in monitored server/VM views

CPU load spinner

The severity of CPU Load is calculated based on the following formula: (utilization current average - utilization period average)/utilization period standardDeviation. If this value is:

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Larger than 4: the CPU load spinner will be show in red, which indicates its severity level is Fatal.
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Larger than 3 but less than/equal to 4: the CPU load spinner will be shown in orange, which indicates its severity level is Critical.
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Larger than 2 but less than/equal to 3: the CPU load spinner will be shown in yellow, which indicates its severity level is Warning.
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Less than or equal to 2: the CPU load spinner will be shown in green, which indicates its severity level is Normal.
Network I/O spinner

The severity of Network I/O is calculated based on the following formula: (transferRate current average - transferRate period average)/transferRate period standardDeviation. If this value is:

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Larger than 4: the Network I/O spinner will be show in red, which indicates its severity level is Fatal.
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Larger than 3 but less than/equal to 4: the Network I/O spinner will be shown in orange, which indicates its severity level is Critical.
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Larger than 2 but less than/equal to 3: the Network I/O spinner will be shown in yellow, which indicates its severity level is Warning.
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Less than or equal to 2: the Network I/O spinner will be shown in green, which indicates its severity level is Normal.
Memory Load spinner

The severity of Memory Load is calculated based on the following formula: (currentPressure current average - currentPressure period average)/currentPressure period standardDeviation. If this value is:

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Larger than 4: the Memory load spinner will be show in red, which indicates its severity level is Fatal.
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Larger than 3 but less than/equal to 4: the Memory load spinner will be shown in orange, which indicates its severity level is Critical.
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Larger than 2 but less than/equal to 3: the Memory load spinner will be shown in yellow, which indicates its severity level is Warning.
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Less than or equal to 2: the Memory load spinner will be shown in green, which indicates its severity level is Normal.
Disk I/O spinner

The severity of Disk usage is calculated based on the following formula: (diskTransferRate current average - diskTransferRate period average)/diskTransferRate period standardDeviation. If this value is:

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Larger than 4: the Disk usage spinner will be show in red, which indicates its severity level is Fatal.
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Larger than 3 but less than/equal to 4: the Disk usage spinner will be shown in orange, which indicates its severity level is Critical.
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Larger than 2 but less than/equal to 3: the Disk usage spinner will be shown in yellow, which indicates its severity level is Warning.
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Less than or equal to 2: the Disk usage spinner will be shown in green, which indicates its severity level is Normal.
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