To automatically monitor essential Control-M/Server processes and resources, Control-M/Server contains a facility called Watchdog (WD).
The Watchdog facility uses a Heartbeat monitor to check that all the primary Control-M/Server processes are functioning. If any of these processes do not respond to the check, the Watchdog facility sends a message to an error handler. (The facility automatically logs messages to the Control-M IOALOG and PROCLOG files.)
An error handler is an object that contains and performs instructions for handling errors about which it was notified. Generally, error handlers are scripts.
To monitor Control-M/Server processes, the Watchdog facility can use the following built-in utilities:
ctmdiskspace: Checks the amount of free disk space on a specified device and sends an error message to the error handler if it is below the threshold.
ctmdbspace: Checks data and log usage in the Control-M/Server database and sends an error message to the error handler if it is above the threshold.
The following parameters are used for the Watchdog Process. The CTM_PRM_ENABLE_UE parameter must be set to Y to enable the WD process.
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