Controllers Test

Controllers are server machines running instances of the broker service. The broker service is responsible for the brokering of user sessions to desktops or applications, and for power management of the underlying machines. An operational site must contain at least one Controller.

This test auto-discovers the Delivery Controllers configured within a site (i.e., a farm), and reports the current status of each controller and the count of desktops registered with every controller.

Target of the test : A Citrix Delivery Controller 5.x

Agent deploying the test : An internal agent

Outputs of the test : One set of results for every controller configured within a farm or for the monitored controller only (depending upon the isfarmserver flag setting).

Configurable parameters for the test
Parameter	Description
Test Period	How often should the test be executed.
Host	The IP address of the host for which this test is to be configured.
Port	Refers to the port at which the specified host listens to.
IsFarmServer	By default, this flag is set to Yes, indicating that the monitored server is the farm server of a controller farm. For a farm server, this test will report metrics at the farm-level - accordingly, a set of metrics will be reported for each controller in the farm. On the other hand, if the monitored controller is only a member of a farm and not the farm server, then set this flag to No. In this case, the test will report metrics for the monitored controller only and not for every controller in the farm.
Detailed Diagnosis	To make diagnosis more efficient and accurate, the eG Enterprise embeds an optional detailed diagnostic capability. With this capability, the eG agents can be configured to run detailed, more elaborate tests as and when specific problems are detected. To enable the detailed diagnosis capability of this test for a particular server, choose the On option. To disable the capability, click on the Off option. The option to selectively enable/disable the detailed diagnosis capability will be available only if the following conditions are fulfilled: The eG manager license should allow the detailed diagnosis capability Both the normal and abnormal frequencies configured for the detailed diagnosis measures should not be 0.

Measurements made by the test

Measurement

Description

Measurement Unit

Interpretation

Controller state

Indicates the current state of this controller.

This test reports one of the following values to indicate the current state of a controller:

Active – Indicates that the controller is powered-on and fully operational
On – Indicates that the controller is powered-on, but not fully operational.
Failed – Indicates that the controller has failed due to some reason
Off – Indicates that the controller is powered-off

The numeric values that correspond to the above-mentioned states are as follows:

State	Numeric Value
Active	1
On	2
Failed	3
Off	4

Note:

By default, this measure reports the above-mentioned States while indicating the current state of a controller. However, the graph of this measure will represent states using the corresponding numeric equivalents – i.e., 1 to 4.

The detailed diagnosis of this measure reveals when the controller was last accessed, when it was last started, and also displays the site services that were active on the controller during its last access.

Total registered desktops

Indicates the number of desktops that are currently registered with this controller.

Number

The detailed diagnosis of the Controller state measure reveals when the controller was last accessed, when it was last started, and also displays the site services that were active on the controller during its last access.

Figure 1 : The detailed diagnosis of the Controller state measure