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MPCMM0001 Chassis Management Module Software Technical Product Specification 199
Command and Error Logging
Command and Error Logging 21
21.1 Command Logging
All CMMSET commands from all of the CMM interfaces (CLI, RPC, and SNMP) are logged by
the CMM in the file /var/log/user.log. The size of the user.log file is 500 KBytes. When the
command log becomes full, the log file is compressed and archived using gzip, then stored in /
home/log. The filename format for the log files is user.log.N.gz, where N is the number of the log
file from 1 to 4. The CMM will keep up to four archives of log files. If the log file becomes full and
there are already four existing command log archives, the oldest archive will be deleted to make
room for the newest archive.
Note: Archived files should NEVER be decompressed on the CMM because the resulting prolonged
flash file writing could disrupt normal CMM operation and behavior. The files should be
transferred and decompressed on a different machine. Files can be decompressed by any
application that supports the decompression of gzip (.gz) file types.
Note: The /home/log directory should not be deleted or change. the CMM requires that directory exist to
log errors.
21.2 Error Logging
The error.log and debug.log files are archived to maintain error logging in the event either log gets
full and to prevent any loss of log data. This information is useful for technical support personnel.
21.2.1 Error.log File
Error logging information for the CMM is logged in the file /home/log/error.log. The size of the
error.log file is 500 KBytes. When error.log becomes full, the log file is compressed and archived
using gzip, then stored in /home/log. The filename format for the log files is error.log.N.gz, where
N is the number of the log file from 1 to 4. The CMM will keep up to four archives of log files. If
the log file becomes full and there are already four existing error.log archives, the oldest archive
will be deleted to make room for the newest archive.
21.2.2 Debug.log File
Debug information for the CMM is logged in the file /var/debug.log. The size of the debug.log is
200 KBytes. When the debug.log becomes full, the log file is compressed and archived using gzip,
then stored in /var/log. The filename format for the log files is debug.log.N.gz, where N is the
number of the log file from 1 to 4. The CMM will keep up to four archives of log files. If the log
file becomes full and there are already four existing debug.log archives, the oldest archive will be
deleted to make room for the newest archive.