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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

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 219. 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 220. 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 221. 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.

Hyper-V Explorer Storage tab (virtual machines)

The Hyper-V Explorer Storage tab displays combination of embedded views displaying disk volumes associated with a selected virtual machine. 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 virtual machine. 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 virtual machine on the Hyper-V Explorer Topology tab.

Figure 222. Storage tab (virtual machines)

This tab is made up of the following embedded views:

•
Cluster Shared Volume Connected To Virtual Machine
•
Volume Capacity Banner Layout
•
Virtual Machine Disk Capacity: Virtual Machine
 
Table 120. Cluster Shared Volume Connected To Virtual Machine
Description

Lists the disk volumes associated with the selected virtual machine and shows performance metrics associated with each disk volumes.

Data displayed
•
Available Space. The amount of space available on the disk volume.
 
•
I/O. The data transfer rate of the disk volume.
 
•
Latency. The disk volume latency.
 
•
Name. The disk volume.
 
•
Disk Volume, Avg/Peak Latency. The average and peak latency rates for the selected disk.
 
•
Hyper-V Server, Avg/Peak Latency. The average and peak latency rates for the Hyper-V server associated with the selected virtual machine.
 
Table 121. Volume Capacity Banner Layout
Description

Contains information about the current utilization of disk resources for the selected virtual machine.

Data displayed
•
Virtual Machine, Current Utilization, Allocated. The amount and percentage of disk space allocated to the virtual machine.
 
•
Virtual Machine, Current Utilization, In Use. The amount and percentage of disk space the virtual machine uses.
 
•
Virtual Machine, In Use. The percentage of disk space in use by the virtual machine.
 
•
Volume, Current Utilization, Allocated. The amount and percentage of disk space that is allocated for use.
 
•
Volume, Current Utilization, Available Space. The disk space available for allocation.
 
•
Volume, Current Utilization, Capacity. The total amount of disk space.
 
•
Volume, Current Utilization, In Use. The amount and percentage of disk space that is currently in use.
 
•
Volume, In Use. The percentage of disk space that is currently in use.
 
Table 122. Virtual Machine Disk Capacity: Virtual Machine
Description

Lists the disks associated with the selected virtual machine and shows their performance metrics.

Data displayed
•
Available Space. The space currently available on the disk.
 
•
Capacity. The disk capacity.
 
•
In Use. The amount of space used on the disk.
 
•
Disk. The name of the disk.
 
•
Time To Full. The estimated time after which the disk will be full.
 
•
Total Space. The total space allocated to the disk.
 
•
Weekly Growth Rate. The estimated growth pattern of the used disk space.
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