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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

Hyper-V Explorer FAQts

This tab only appears when you are exploring individual clusters, servers, and virtual machines. It gives you answers to common questions related to the selected component. For example, when you select a Hyper-V server and open this tab you can quickly find out which servers in the cluster are consuming the least network bandwidth or have the most available memory.
Figure 218. FAQts tab

Hyper-V Explorer FAQts tab

The Hyper-V Explorer’s FAQts tab shows answers to common questions related to a selected cluster, server, or a virtual machine.
This tab appears in the Hyper-V Explorer when you select a cluster, server, or a virtual machine on the Hyper-V Explorer Topology tab.
Figure 219. FAQts tab
This tab is made up of the following embedded views:
•
Answer
•
Categories
•
Questions
Answer
This view provides an answer to the question selected in the Questions view. The answer appears in the following form:
Top x <objects of category>…
where x is the number of objects of the category you provided in the Categories view.
Specify x by entering a number. The answer is relative to the subset of the infrastructure you are viewing in the dashboard. For example, the top 5 servers are different for each individual cluster in the infrastructure.
Categories
This view lists the categories for which questions can be answered for you by Foglight for Hyper-V.
Click a category in the list to select it.
Questions
This view lists the questions, for the category selected in the Categories, that can be answered for you by Foglight for Hyper-V.
Click a question in the list to select it.
If the list of questions is long and you want to narrow it down, search for a particular text string using the Search Questions box.

Hyper-V Explorer Event Analytics

This tab only appears when you are exploring individual servers and virtual machines. It provides more details about the state of resource-related metrics over a selected time period and also shows any events that occur during that time-frame. This can give you a good idea of how the current resource consumption affects your environment as a whole. For example, a steady increase in memory consumption can often trigger memory utilization alarms, which typically indicates that you need to allocate more memory to the affected component.
Figure 220. Event Analytics tab

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 221. 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 92. 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.
 
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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 222. Event Details dialog box
 
Table 93. 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 223. Event Details dialog box
 
Table 94. 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 95. 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 224. Event Details dialog box
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