Alcatel-Lucent 7450 - Log Files

Event and Accounting Logs
7450 ESS System Mangement Guide Page 381
Log Files
Log files can be used by both event logs and accounting logs and are stored on the compact flash
devices (specifically cf1: or cf2:) in the file system. It is recommended that event and accounting
logs not be configured on the cf3: device that is used for software images and bootup
configuration.
A log file is identified with a single log file ID, but a log file will generally be composed of a
number individual files in the file system. A log file is configured with a rollover parameter,
expressed in minutes, which represents the length of time an individual log file should be written
to before a new file is created for the relevant log file ID. The rollover time is checked only when
an update to the log is performed. Thus, complying to this rule is subject to the incoming rate of
the data being logged. For example, if the rate is very low, the actual rollover time may be longer
than the configured value.
The retention time for a log file specifies the amount of time the file should be retained on the
system based on the creation date and time of the file.
When a log file is created, only the compact flash device for the log file is specified. Log files are
created in specific subdirectories with standardized names depending on the type of information
stored in the log file.
Event log files are always created in the \log directory on the specified compact flash device. The
naming convention for event log files is:
log eeff-timestamp
where:
ee is the event log ID
ff is the log file destination ID
timestamp is the timestamp when the file is created in the form of yyyymmdd-hhmmss
where:
yyyy is the four-digit year (for example, 2007)
mm
is the two digit number representing the month (for example, 12 for December)
dd is the two digit number representing the day of the month (for example, 03 for the
3rd of the month)
hh is the two digit hour in a 24-hour clock (for example, 04 for 4 a.m.)
mm is the two digit minute (for example, 30 for 30 minutes past the hour)
ss is the two digit second (for example, 14 for 14 seconds)