Oracle - Exportação DataPump com tamanho de arquivo especificado

expdp *****/*****@geocegas FILESIZE=3221225472 DUMPFILE=geocegas_20071018_17h00_%U.dmp LOGFILE=log_bkp_geocegas_20071018_17h00.txt PARALLEL=4 JOB_NAME='dumpgeocegas' FULL=y DIRECTORY=datapump_geocegas