AE handles events in the form of objects which include several tabs. z/OS agentA program that enables the de-centralized execution of processes (such as deployments) on target systems (computers or business solutions) or a service that provides connectivity to a target system (such as for databases or middleware). An agent is also an object type in the Automation Engine. [Formerly called "Executor."] See also: host events of type "Console" facilitate the monitoring of Console outputs. The eventAction that is triggered if particular conditions apply. It can be an Automation Engine object type or an entry in a Policy Orchestrator EventBase. is immediately triggered if all conditions specified in the Console tab are met.
This requires the Event Monitor UCXEM25 to be installed and started. Type "FileSystem" checks via SMF whether the condition is met and, if so, the event is immediately triggered.
The Event Monitor can also be operated in the form of a started taskAn executable object that is running. Tasks are also referred to as activities.. In this case, an extra INI file is required and the parameter start= in the agent's INI file must be commented. Start the Event Monitor as a started task and it tries to establish a TCP/IP connection to the agent. The Event Monitor only connects to the Console of its own LPAR. It loads the SMF Exit to use the SMF-based functions. If it is not possible to establish a connection to the agent, or if the connection is lost during operation, an attempt to reestablish the connection is made in the specified interval (parameter connect= in the section TCP/IP in the INI file).
The Console command "MODIFY ..., EX=<addr>,:<port> facilitates that a reconnection can quickly be established. In this case, the attempt to reconnect to the specified agent is made immediately. A connection is also established if the Event Monitor has an existing connection to another agent. A new connection is established in this case. The old connection is ended if the new connection is successfully established.
The Event Monitor supports logging and trace functions. If the trace buttons are dynamically modified at runtimeThe duration of a task's execution. It refers to the period between a task's start and end. It does not include its activation period (see also: activation and start)., these modifications are sent to the Event Monitor. The Event Monitor's logging is not written to the AE databaseA database is an organized collection of data including relevant data structures..
Each Event Monitor requires two files:
VSAM file
This file serves as event memory; the filtered events are stored. Only after the Server has acknowledged that the event has been processed does the Event Monitor delete it from this file. This ensures that the Event Monitor does not lose events and that they are kept even if the Event Monitor had been ended and restarted.
Sequential file
This file contains filter definitions - the Event Monitor memorizes the filter which it has received from the Server. The whole file is rewritten if something is changed in the filter definitions. If the Event Monitor is restarted, it uses these filters (even without the agent). The Event Monitor can obtain additional filters or existing ones can be deactivated as soon as the connection to the agent has been established.
The Event Monitor can be ended via the Console command "STOP" or "MODIFY END". "MODIFY SHUTDOWN" is available in the agent. In this case, the agent ends all Event Monitors that are connected to the agent via TCP/IP and then the agent ends itself.
Use the following commands to end the Event Monitor and/or the SMF Exit manually:
Command |
Description |
---|---|
MODIFY Name of the Event Monitor,END |
Ends the Event Monitor, the SMF Exit remains active |
STOP Name of the Event Monitor |
Ends the Event Monitor and the SMF Exit |
MODIFY Name of the agent,SHUTDOWN |
Ends all Event Monitors including SMF Exits which are connected to the agent. The agent then ends itself. |
The SMF Exit always remains active when an Event Monitor is canceled.
An Event Monitor forwards events to the Automation EngineThis component drives an Automation Engine system and consists of different types of server processes. only when it is active. The SMF Exit stores them if the Event Monitor ends or aborts in order to ensure that no event is lost.
See file:
Reads message data of an occurred Console or File System event |
Event
INI File of the z/OS Agent (Event Monitor as Sub-Task)
INI File for the Independent Event Monitor
Agent - Combining AE and z/OS
Installing the Agent for z/OS
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