butc_logs - Message logs from the Tape Coordinator process
The Backup System Tape Coordinator (butc) process generates two log files per device, one for error messages and one for actions.
The TE_device_name file logs error messages generated by the Backup System Tape Coordinator that controls the tape device or backup data file indicated by device_name.
As the Tape Coordinator initializes, it creates the file in ASCII format in the /Library/Auristor/Tools/var/yfs/backup directory. If there is an existing file, the Tape Coordinator renames it to TE_device_name.old>, overwriting the existing TE_device_name.old> file if it exists.
For a tape device,
the Tape Coordinator derives the variable device_name portion of the filename from the device pathname listed in the local /Library/Auristor/Tools/var/yfs/backup/tapeconfig file,
by stripping off the initial /dev/
string and replacing any other slashes in the name with underscores.
For example,
the filename for a device called /dev/rmt/4m is TE_rmt_4m.
Similarly,
for a backup data file the Tape Coordinator strips off the initial slash (/
) and replaces any other slashes in the name with underscores.
For example,
the filename for a backup data file called /var/tmp/FILE is TE_var_tmp_FILE.
When an XBSA server is in use,
the filename will be TE_0 or TE_port.
The messages in the file describe the error and warning conditions the Tape Coordinator encounters as it operates. For instance, a message can list the volumes that are inaccessible during a dump operation, or warn that the Tape Coordinator is overwriting a tape or backup data file. The messages also appear in the /Library/Auristor/Tools/var/yfs/backup/TL_device_name file, which traces most of the Tape Coordinator's actions.
The TL_device_name file logs the actions performed by the Backup System Tape Coordinator that controls the tape device or backup data file indicated by device_name. It also records the same error and warning messages written to the TE_device_name file.
As the Tape Coordinator initializes, it creates the file in ASCII format in the /Library/Auristor/Tools/var/yfs/backup directory. If there is an existing file, the Tape Coordinator renames it to TL_device_name.old, overwriting the existing TL_device_name.old file if it exists.
For a tape device,
the Tape Coordinator derives the variable device_name portion of the filename from the device pathname listed in the local /Library/Auristor/Tools/var/yfs/backup/tapeconfig file,
by stripping off the initial /dev/
string and replacing any other slashes in the name with underscores.
For example,
the filename for a device called /dev/rmt/4m is TL_rmt_4m.
Similarly,
for a backup data file the Tape Coordinator strips off the initial slash (/
) and replaces any other slashes in the name with underscores.
For example,
the filename for a backup data file called /var/tmp/FILE is TL_var_tmp_FILE.
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