1. LOG_ARCHIVE_CONFIG - highly recommended by oracle, The DG_CONFIG is set on each database to set Data Guard Configuration.
2. LOG_ARCHIVE_MAX_PROCESS - optional by Oracle, specify the number ( from 1- 30 ) of archiver (ARCn) process you want oracle software to invoke initially.
The default value is 4.
3.DB_CREATE_FILE_DEST - It specifies the default location of the Oracle Managed datafile.4
DB_CREATE_FILE_DEST= dictory / disk group.
4.FAL_CLIENT - this parameter is no longer required.
5. FAL_SERVER - it specifies more oracle Net Services name, it can retrieve the missing archive file.
ORACLE_NET _SERVICE_NAME
looking forward to your suggestions.. please feel free to write to me. Your help would definitely help to improve our blog. Chetan Yadav