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Foglight for Hyper-V 5.8.2 - 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

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:

•
Larger than 4: the CPU load spinner will be show in red, which indicates its severity level is Fatal.
•
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.
•
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.
•
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:

•
Larger than 4: the Network I/O spinner will be show in red, which indicates its severity level is Fatal.
•
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.
•
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.
•
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:

•
Larger than 4: the Memory load spinner will be show in red, which indicates its severity level is Fatal.
•
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.
•
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.
•
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:

•
Larger than 4: the Disk usage spinner will be show in red, which indicates its severity level is Fatal.
•
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.
•
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.
•
Less than or equal to 2: the Disk usage spinner will be shown in green, which indicates its severity level is Normal.

Virtual Environment view

This view appears in the upper part of the Monitoring tab, just above the Quick-View. It displays a high-level overview of the selected virtual environment. The view has a tile for each type of object in your virtual infrastructure: Clusters, Servers, SCVMM Servers, SOFS Servers, Virtual Machines, Storage, and Virtual Switches.

Figure 12. Virtual Environment view

Each tile shows how many of the corresponding object instances there are in your virtual infrastructure, as well as the count of objects of that type in each of the alarm states (Normal, Warning, Critical, Fatal). For example, the following image shows four physical servers: none in the Fatal, Critical or Warning states, and four in the Normal state.

Figure 13. Configuring tiles in the Virtual Environment view

You can move the tiles by dragging and dropping until you achieve the desired layout.

To hide one or more tiles:
1
On the tool bar on the right, click Edit .
2
In the dwell that appears, click a tile that you want to hide and click Apply.
The selected tile is hidden in the Virtual Environment view.

Clicking the object type icon, the object type name, or the object count, shows summary information for that object type in the Quick-View. Clicking an alarm state (for example, Warning) on a tile displays summary information in the Quick-View for the objects of that type that are in the selected alarm state. If an alarm state has a count of zero, then you cannot drill down on the alarm state.

This view contains the following tiles:

•
Clusters
•
Servers
•
SOFS Servers
•
SCVMM Servers
•
Virtual Machines
•
Storage
•
Virtual Switches
 
Table 3. Clusters
Description

Shows the number of clusters in your environment and total alarm counts associated with those clusters.

Data displayed
•
Alarm counts. The total counts of alarms associated with the clusters, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
Cluster count. The number of clusters in your environment.
Where to go next

Drill down on:

 
•
Alarm counts. Lists the clusters associated with the alarms in the Clusters view, appearing in the Quick-View.
 
•
Clusters. Displays cluster-related combination of views in the Quick-View.
 
Table 4. Servers
Description

Shows the number of servers in your environment and total alarm counts associated with those servers.

Data displayed
 
•
Alarm counts. The total counts of alarms associated with the physical servers, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
Server count. The number of physical servers in your virtual environment.
Where to go next

Drill down on:

 
•
Alarm counts. Lists the servers associated with the alarms in the Servers view, appearing in the Quick-View.
 
•
Servers. Displays servers-related combination of views in the Quick-View.
 
Table 5. SCVMM Servers
Description

Shows the number of SCVMM servers in your environment and total alarm counts associated with those servers.

Data displayed
•
Alarm counts. The total counts of alarms associated with the SCVMM servers, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
Server count. The number of SCVMM servers in your virtual environment.
Where to go next

Drill down on:

 
•
Alarm counts. Lists the SCVMM servers associated with the alarms in the SCVMM Servers view, appearing in the Quick-View.
 
•
Servers. Displays SCVMM server-related combination of views in the Quick-View.
 
Table 6. Virtual Machines
Description

Shows the number of virtual machines in your environment and a list of virtual machines with worst performance score.

Data displayed
•
VM Count by Alarm Severity. The total counts of alarms associated with the virtual machines, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
VM Count by Status. The number of VMs associated with the virtual machines, broken down by VM status (Power On, Power Off, Paused, Saved, Unknown).
 
•
VM Count by Top 5 Alarms. The number of VMs that have top 5 alarms.
 
•
VM Performance Score - Worst 16 VMs. The list of VMs which have the worst performance score.
Where to go next

Drill down on:

 
•
VM Count by Alarm Severity. Lists the virtual machines associated with the alarms in the Virtual Machines view, appearing in the Quick-View.
 
•
VM Count by Status. Displays virtual machines views in the Quick-View.
 
•
VM Count by Top 5 Alarms. Displays the alarms in the Alarms view, appearing in the Quick-View.
 
•
VM Performance Score - Worst 16 VMs. Displays the Hyper-V Explorer Summary.
 
Table 7. Storage
Description

Shows the number of virtual volumes in your environment and total alarm counts associated with them.

Data displayed
•
Alarm counts. The total counts of alarms associated with the virtual volumes, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
Server count. The number of virtual volumes in your environment.
Where to go next

Drill down on:

 
•
Alarm counts. Lists the virtual volumes associated with the alarms in the Storage view, appearing in the Quick-View.
 
•
Virtual Machines. Displays virtual volume views in the Quick-View.
 
Table 8. Virtual Switches
Description

Shows the number of virtual switches in your environment and total alarm counts associated with them.

Data displayed
•
Alarm counts. The total counts of alarms associated with the virtual switch, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
Server count. The number of virtual switches in your environment.
Where to go next

Drill down on:

 
•
Alarm counts. Lists the virtual switches associated with the alarms in the Virtual Switches view, appearing in the Quick-View.
 
•
Virtual Machines. Displays virtual switch views in the Quick-View.

 

Table 9. SOFS Servers
Description

Shows the number of Scale-Out File Server (SOFS) in your environment and total alarm counts associated with them.

Data displayed
•
Alarm counts. The total counts of alarms associated with the SOFS servers, broken down by alarm types (Normal, Warning, Critical, Fatal).
 
•
Server count. The number of SOFS servers in your environment.
Where to go next

Drill down on:

 
•
Alarm counts. Lists the SOFS servers associated with the alarms in the SOFS Servers view, appearing in the Quick-View.
 
•
Servers. Displays servers-related combination of views in the Quick-View.

Quick-View

The Quick-View is a container view. It contains a combination of server or virtual machine views, depending on your selection in the pane on the left. It appears in the lower part of the Hyper-V Environment dashboard, just below the Virtual Environment view.

Figure 14. Quick-View

Alarms view

This view displays a list of alarms generated against the objects or group of objects selected in the Quick-View. Use this view to quickly identify any potential problems related to a specific object.

Figure 15. Alarms view

 

Table 10. Description of the View
Data displayed
•
Alarm Message. An explanation about why the alarm occurred.
 
•
Severity. The alarm severity icon: Warning, Critical, or Fatal.
 
•
Time. The time when 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.
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