The console log is always stored on the A disk of the user ID on which ATMCOMM is running. Commonly, this is the OPERATOR 191 disk. The file name of the console log is CONSOLE. The filetype is the current date, shown in the format DDMMMYY (18JUN01, for example). The ATMCOMM log feature creates this file if it does not already exist, and appends to it if it does exist.
Note: Restarting the z/VM system or performing an IPL does not affect the ability of ATMCOMM to append messages to the end of an existing daily log file.
ATMCOMM automatically begins writing a new file each day at midnight, assuming that the log feature is enabled. However, if the disk is more than 85 percent full, ATMCOMM suspends the log file operation and displays message ATM9129I, notifying you that no additional information can be written to the log file. You can check disk storage capacity for the disk containing the log file by issuing the CMS QUERY DISK command.
The log file written by ATMCOMM is closed frequently. Therefore, a user with read access to the disk on which the file is stored can observe messages in real time as they are added to the log. To enhance performance, the file is closed (written to disk) whenever no messages are queued to ATMCOMM for processing. This method helps keep all messages resulting from a single event or command execution to be written to the disk at the same time, and minimizes DASD I/O operations.
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