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Foglight for Hyper-V 5.7.2 - 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

Hyper-V Explorer Event Analytics tab

The Hyper-V Explorer Event Analytics tab contains details about the state of resource-related metrics for a server or virtual machine over a selected time period, and also shows any events that occur during that time frame.
This tab appears in the Hyper-V Explorer when you select a server or virtual machine on the Hyper-V Explorer Topology tab.
Figure 217. Event Analytics tab
This tab is made up of the following embedded views:
•
Hyper-V Server Metrics Vs. Related Events
•
Infrastructure Changes and Alarms
•
Source Object/Metric
•
VM Metrics Vs. Related Events
 
Table 110. Hyper-V Server Metrics Vs. Related Events
Description
Shows a chart indicating the values for one or more metric values selected in the Source Object/Metric view.
NOTE: This view only appears when you are exploring server details.
Data displayed
•
Alarms. If any alarms are generated against the selected server during the selected time period, and are added as an overlay to the chart using the Infrastructure Changes and Alarms view, they also appear in the chart.
 
•
CPU Metrics, % Used. The percentage of the server’s CPU utilization spent on executing system code and user programs during the selected time period.
 
•
Disk Metrics, Read Rate. The rate at which the server reads data from the disk during the selected time period.
 
•
Disk Metrics, Write Rate. The rate at which the server writes data to the disk during the selected time period.
 
•
Infrastructure changes. If any infrastructure changes occur for the selected server during the selected time period, and are added as an overlay to the chart using the Infrastructure Changes and Alarms view, they also appear in the chart. An infrastructure change is any configuration change that affects the properties of the selected server. This includes the server startup, shutdown, pause, changed shares, changes to memory settings, and similar types of changes.
 
•
Memory Metrics, % Used. The percentage of the available memory that the server uses during the selected time period.
 
•
Network Metrics, Receive Rate. The rate at which the server receives data from the network during the selected time period.
 
•
Network Metrics, Send Rate. The rate at which the server sends data to the network during the selected time period.
Where to go next
Drill down on:
 
•
Alarm or infrastructure change. Displays the Event Details dialog box.
Figure 218. Event Details dialog box
 
Table 111. Infrastructure Changes and Alarms
Description
Allows you to add events as overlays to the chart and correlate the resource consumption with the stability of your environment.
Data displayed
•
Alarms. Allows you to add and review any alarms, that are generated against the selected server, during the selected time period, to the chart.
 
•
Infrastructure changes. Allows you to add and review any infrastructure changes, that occur for the selected server, during the selected time period, to the chart. An infrastructure change is any configuration change that affects the properties of the selected server or virtual machine object. This includes the object’s startup, shutdown, pause, changed shares, changes to memory settings, and similar types of changes.
Where to go next
Drill down on:
 
•
Alarm or infrastructure change. Displays the Event Details dialog box.
Figure 219. Event Details dialog box
 
Table 112. Source Object/Metric
Description
Identifies the monitored object (server or virtual machine) and the metrics that appear in the chart view on the right.
Data displayed
•
Selected Event Overlay. Indicates if the chart on the right shows any color-coded overlays that represent infrastructure and/or alarm events, in addition to the selected source metric.
 
•
Server/virtual machine name. The name of the selected object (server or virtual machine instance).
 
•
Source metric. Identifies the combination of the metrics whose values appear in the chart on the right. Possible metric types include: CPU Metrics, Disk Metrics, Memory Metrics, and Network Metrics. For each metric type, you can display the values of a selected metric, or all metric values associated with that type. For example, selecting Disk Metrics gives you an option of displaying Read Rate, Write Rate, or both metrics (All) in the chart.
 
Table 113. VM Metrics Vs. Related Events
Description
Shows a chart indicating the utilization percentage for one or more metric values selected in the Source Object/Metric view.
NOTE: This view only appears when you explore virtual machine details.
Data displayed
•
Alarms. If any alarms are generated against the selected virtual machine during the selected time period, and are added as an overlay to the chart using the Infrastructure Changes and Alarms view, they also appear in the chart.
 
•
CPU Metrics, % Used. The percentage of the virtual machine’s CPU utilization spent on executing system code and user programs during the selected time period.
 
•
Disk Metrics, Read Rate. The rate at which the virtual machine reads data from disk during the selected time period.
 
•
Disk Metrics, Write Rate. The rate at which the virtual machine writes data to disk during the selected time period.
 
•
Infrastructure changes. If any infrastructure changes occur for the selected virtual machine during the selected time period, and are added as an overlay to the chart using the Infrastructure Changes and Alarms view, they also appear in the chart. An infrastructure change is any configuration change that affects the properties of the selected virtual machine. This includes the virtual machine startup, shutdown, pause, changed shares, changes to memory settings, and similar types of changes.
 
•
Memory Metrics, % Used. The percentage of the available memory that the virtual machine uses during the selected time period.
 
•
Network Metrics, Receive Rate. The rate at which the virtual machine receives data from the network during the selected time period.
 
•
Network Metrics, Send Rate. The rate at which the virtual machine sends data to the network during the selected time period.
Where to go next
Drill down on:
 
•
Alarm or infrastructure change. Displays the Event Details dialog box.
Figure 220. Event Details dialog box

Hyper-V Explorer Storage

This tab only appears when you are exploring individual servers. It displays an organized view of physical drive and logical disk activity. It identifies the physical drives with the highest disk activity, and the logical drives with the lowest capacity. Use this information to fine-tune your configuration, achieve optimal results, and avoid bottlenecks. In addition, this tab lists all physical drives for the selected server, their read and write rates, along with the logical drives, the space used on each drive, data growth patterns, and related estimates.
The appearance of this tab depends on the object or group of object selected. For example, exploring a cluster shows data transfer rates for each disk volume connected to the selected cluster, among other metrics, while exploring a virtual machine reveals the current utilization of disk resources for that virtual machine.
Figure 221. Storage tab

Hyper-V Explorer Storage tab (clusters)

The Hyper-V Explorer Storage tab displays combination of embedded views displaying disk volumes associated with the selected cluster. It identifies the virtual machines that spend the highest amounts of disk resources. Use this tab to find out more about the overall consumption of disk resources for a given cluster. The information provided on this tab can help you prevent potential bottlenecks by reallocating disk resources where they are most needed.
This tab appears in the Hyper-V Explorer when you select a cluster on the Hyper-V Explorer Topology tab.
Figure 222. Storage tab (clusters)
This tab is made up of the following embedded views:
•
Volumes I/O Balance
•
Volumes Connected To Cluster
•
Volumes Performance: Volume
 
Table 114. Volumes I/O Balance
Description
Shows the data transfer rates for each disk volume connected to the selected cluster.
 
Table 115. Volumes Connected To Cluster
Description
Lists the disk volumes connected to the selected cluster and shows performance metrics associated with each volume.
Data displayed
•
Allocated. The amount of space allocated to the selected cluster.
 
•
Available Space. The amount of space available on the disk volume.
 
•
Capacity. The percentage of the disk space that is currently in use.
 
•
I/O. The disk volume's current data transfer rate.
 
•
Latency. The current latency of the disk volume.
 
•
Name. The name of the disk volume. The indicator on the left shows the disk volume’s alarm state: Normal, Warning, Critical, or Fatal.
 
•
Time to Full. The estimated amount of time until which the disk volume will become full.
 
•
Total Space. The total amount of disk space.
 
•
Weekly Growth Rate. The average amount of space by which the amount of data stored on the disk volume grows every week.
 
Table 116. Volumes Performance: Volume
Description
Shows the amount I/O resources used by the virtual machines associated with the disk volume selected in the Volumes Connected To Cluster view.
Data displayed
•
I/O Distribution. A pie chart indicating how much the individual virtual machines using the selected disk volume contribute to the use of I/O resources.
 
•
VM Offenders, Allocated. The amount of disk space allocated to the virtual machine.
 
•
VM Offenders, Hyper-V Server. The name of the Hyper-V server on which the virtual machine is running.
 
•
VM Offenders, I/O. The data transfer rate utilized by the virtual machine.
 
•
VM Offenders, In Use. The amount of disk space the virtual machine currently uses.
 
•
VM Offenders, Name. The name of the virtual machine.

Hyper-V Explorer Storage tab (Hyper-V servers)

The Hyper-V Explorer Storage tab displays combination of embedded views displaying disk volumes associated with the selected Hyper-V server. It identifies the virtual machines that spend the highest amounts of disk resources. Use this tab to find out more about the overall consumption of disk resources for a given Hyper-V server. The information provided on this tab can help you prevent potential bottlenecks by reallocating disk resources where they are most needed.
This tab appears in the Hyper-V Explorer when you select a Hyper-V server on the Hyper-V Explorer Topology tab.
Figure 223. Storage tab (Hyper-V servers)
This tab is made up of the following embedded views:
•
Volumes Connected To Hyper-V Server
•
Volumes Performance: Volume
•
Volumes Capacity: Volume
 
Table 117. Volumes Connected To Hyper-V Server
Description
Lists the disk volumes connected to the selected Hyper-V server and shows performance metrics associated with each volume.
Data displayed
•
Available Space. The amount of space available on the disk volume.
 
•
Disk Type. Indicates the disk type, for example, Local.
 
•
My I/O. The data transfer rate utilized on the disk volume by the selected Hyper-V server.
 
•
My Latency. The current latency of requests initiated by the Hyper-V server on the disk volume.
 
•
Name. The name of the disk volume. The indicator on the left shows the disk volume’s alarm state: Normal, Warning, Critical, or Fatal.
 
•
Time to Full. The estimated amount of time until which the disk volume will become full.
 
•
Total I/O. The data transfer rate utilized on the disk volume.
 
•
Total Space. The total amount of disk space.
 
•
Weekly Growth Rate. The average amount of space by which the amount of data stored on the disk volume grows every week.
 
Table 118. Volumes Performance: Volume
Description
Shows the amount I/O resources used by the virtual machines associated with the disk volume selected in the Volumes Connected To Hyper-V Server view.
Data displayed
•
VM Offenders, Hyper-V Server. The name of the Hyper-V server on which the virtual machine is running.
 
•
VM Offenders, I/O. The data transfer rate utilized by the virtual machine.
 
•
VM Offenders, Name. The name of the virtual machine.
 
Table 119. Volumes Capacity: Volume
Description
Shows the amount I/O resources used by the virtual machines associated with the selected disk volume.
Data displayed
•
Disk volume, In Use. The percentage of disk space in use.
 
•
Most Available, Available Space. The amount of space available on the disk volume.
 
•
Most Available, Name. The disk volume.
 
•
VMs On disk volume, Allocated. The amount of memory allocated to the virtual machine.
 
•
VMs On disk volume, In Use. The amount of memory used by the virtual machine.
 
•
VMs On disk volume, Name. The name of the virtual machine associated with the disk volume.
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