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Foglight for Citrix XenDesktop and XenApp 6.0.0 - User Guide

Getting started Setting up data collection agents Monitoring the performance of your XenDesktop environment

Exploring XenDesktop sites

A XenDesktop Site represents your monitored XenDesktop® environment, consisting of Delivery Controllers, virtual desktops, and other associated components. The Summary - XenDesktop Site view allows you to review general information about the monitored XenDesktop site along with performance trends in session counts, logon duration, machine and connection failures. Use this view to review the general trends in the overall performance of your monitored XenDesktop site and to look for any indicators that suggest potential bottlenecks. For example, an unusually high number of connection errors can affect the end-user experience and should be investigated.

Configuration details for the monitored XenDesktop Site: the name of the selected XenDesktop Site, the name of the XenDesktop application running on the monitored Site, the XenDesktop application edition, the XenDesktop version number, the type of the license model implemented at the monitored XenDesktop site, and the number of unregistered desktops. Citrix XenDesktop communicates with the controller in the monitored XenDesktop site using the Virtual Delivery Agent (VDA), and this state is referred to as being registered with the controller. A communication failure prevents XenDesktop to establish connection with the affected virtual desktops, causing them to turn into wasted resources. This information can help you troubleshoot problems related to an unsuccessful VDA registration.

Click Unregistered Desktops to find out the names and types (desktop, application, or desktop and application) of the unregistered desktops, and the delivery groups they belong to.

The session and user counts over the selected time period.

The logon duration times over the selected time period.

The counts of system-related failure types over the selected time period.

The counts of connection-related failure types over the selected time period.

The counts of delivery groups, desktops, and applications over the selected time period.

The counts of currently used licenses and available licenses over the selected time period. For each license type (for example, Evaluation), this view displays the total number of licenses, the number of used licenses, the dates when the licenses are first used, and their expiration date. Alarms are generated when the number of used licenses exceeds predefined thresholds.

The alarms generated against the monitored XenDesktop Site. Each entry indicates the alarm severity (Warning, Critical, or Fatal), the time when the alarm was generated, and an explanation indicating what triggered the alarm.

Investigating the use of License Server, Delivery Controller, and Storefront resources

In your monitored environment, a Citrix License Server allows Citrix® licenses, including XenDesktop® licenses, to be shared among application components. Delivery Controllers distribute virtual desktops to end-users, manage user access, and optimize connections. Storefronts represent services that provide users with access to applications and desktops. You can review the performance of these components in the Summary - License Server and Summary - Delivery Controller views.

These views have two different layouts, depending on the tile selected on the left:

Application view

Selecting the Application tile, the view shows the list of services running on the selected License Server, Controller, or Storefront, and displays any alarms associated with it. Use this view to see which services are running on the selected component, and to review any generated alarms, if they exist. For example, a high number of application-level alarms often suggest performance bottlenecks and should be investigated.

Figure 20. Application view

The current alarm state of the selected component and its type (License Server or Delivery Controller). Selecting this tile displays the services associated with the selected component on the right.

At the bottom of the tile, a color-coded health history bar indicates the alarm state of the selected component over the selected time range period. The color of the bar changes over that period depending on the alarm state. Red indicates that the selected component is in Fatal state, orange indicates Critical, yellow means Warning, and green is for the Normal state.

A list of Citrix services running on the selected License Server or Delivery Controller, their description, and state.

Displays the alarms generated against the selected component (License Server or Delivery Controller). Each entry indicates the alarm severity (Warning, Critical, or Fatal), the time when the alarm was generated, and an explanation indicating what triggered the alarm.

Clicking All Alarms just above the service table lists all alarms associated with the selected component. Optionally, you can drill down on a specific severity level (Warning, Critical, or Fatal) by clicking the appropriate box in the table on the right of All Alarms, to see only alarms with a specific severity level (for example, Warning alarms).

Guest view

When you select the Guest tile, the view shows the usage of system resources on the machine on which the selected License Server or Controller is running. Use this view to see the trends in usage of the selected component’s system resources, and to review any generated alarms, if they exist. For example, high peaks in the memory utilization chart, that drastically exceed historical values could result in performance degradation and should be investigated.

Figure 21. Guest view

Table 5. Guest view

The current alarm state of the selected component and its type (License Server or Delivery Controller). Selecting this tile displays the usage of system-level resources on the right.

At the bottom of the tile, a color-coded health history bar indicates the alarm state of the selected component over the selected time range period. The color of the bar changes over that period depending on the alarm state. Red indicates that the selected component is in Fatal state, orange indicates Critical, yellow means Warning, and green is for the Normal state.

The percentage of CPU resources the selected Delivery Controller or License Server consumed during the selected time range. The grey area in the chart represents the expected CPU utilization range based on historical data.

The Latest percentage represents the current CPU utilization.

If any CPU-related alarms are generated against the selected Delivery Controller or License Server, the counts of alarms in each severity state are displayed.

The percentage of memory resources the selected Delivery Controller or License Server consumed during the selected time range. The grey area in the chart represents the expected memory utilization range based on historical data.

The Latest percentage represents the current memory utilization.

If any memory-related alarms are generated against the selected Delivery Controller or License Server, the alarm counts for individual severity states are displayed.

The rate at which the selected Delivery Controller or License Server writes to or reads from disk during the selected time range. The grey area in the chart represents the expected disk read and write rates based on historical data.

The Latest rate represents the current disk rate.

If any disk-related alarms are generated against the selected Delivery Controller or License Server, the alarm counts for individual severity states are displayed.

The rate at which the selected Delivery Controller or License Server transfers data from and to the network during the selected time range. The grey area in the chart represents the expected network transfer rates based on historical data.

The Latest rate represents the current network transfer rate.

If any network-related alarms are generated against the selected Delivery Controller or License Server, the alarm counts for individual severity states are displayed.

Displays the alarms generated against the selected component (License Server or Delivery Controller). Each entry indicates the alarm severity (Warning, Critical, or Fatal), the time when the alarm was generated, and an explanation indicating what triggered the alarm.

NOTE: Clicking All Alarms just above the service table lists all alarms associated with the selected component. Optionally, you can drill down on a specific severity level (Warning, Critical, or Fatal) by clicking the appropriate box in the table on the right of All Alarms, to see only alarms with a specific severity level (for example, Warning alarms).
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