Locate Error logs

Procedure

Optionally, set the LSF_LOGDIR parameter in lsf.conf.
Error messages from LSF servers are logged to files in this directory.
If LSF_LOGDIR is defined, but the daemons cannot write to files there, the error log files are created in /tmp.
If LSF_LOGDIR is not defined, errors are logged to the system error logs (syslog) using the LOG_DAEMON facility.
syslog messages are highly configurable, and the default configuration varies from system to system. Start by looking for the file /etc/syslog.conf, and read the man pages for syslog(3) and syslogd(1). If the error log is managed by syslog, it is probably being automatically cleared.
If LSF daemons cannot find lsf.conf when they start, they will not find the definition of LSF_LOGDIR. In this case, error messages go to syslog. If you cannot find any error messages in the log files, they are likely in the syslog.