The name of ODBC trace file generated is not the same as specified in odbc.ini file.
The name of the TraceFile with Connect for ODBC 6.1.2 on UNIX / Linux does not match with what has been specified in the odbc.ini. e.g. when Tracefile=odbctrace.out then two files are created (odbctrace01.out and odbctraceINFO.out) instead of generating a single file (odbctrace.out)