Parameters


A parameter is a command that periodically obtains data on a monitored system resource. Parameter data values are collected, summarized, and stored on the computer where the PATROL Agent resides. The collected parameter information is available for review by a PATROL console.

The BMC PATROL for Citrix XenServer KM product has the following types of parameters:

Standard parameters

Standard parameters issue commands to collect data and display the data collected. They contain alarm definitions and can run alarm and warning actions.

PATROL for Citrix XenServer contains the following standard parameters:

xenEventCollector

Collector parameters

A PATROL collector parameter executes commands and gathers data for a consumer parameter to display, often collecting many values. It does not display any values itself. As such, it does not have alarms or run any recovery actions.

Collector parameters are defined in the collector's application class rather than in the applications for which they collect data. This avoids the situation in which a separate collector would execute for each application instance and negate the efficiency of the collector or consumer parameter.

PATROL for Citrix XenServer contains the following collector parameters:

Consumer parameters

A consumer parameter only displays a value that is collected by a collector parameter. A consumer parameter never issues commands; it is not scheduled for execution, but it has alarms and can run recovery actions. A consumer parameter cannot be updated directly by selecting an option on its display. To update a consumer parameter, you must execute the collector that gathers its data.

PATROL for Citrix XenServer contains the following consumer parameters:

 

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BMC PATROL for Citrix XenServer 3.1