Oracle Managed FILES,OMF

OMF Related parameters:

Db_create_file_dest
Defines the location of the default file system directory or Oracle ASM disk group where the database creates datafiles or Tempfiles when no file specification are given in the create operation. Also used as the default location for redo log and control files if Db_create_online_log_dest_n is not specified.

Db_create_online_log_dest_n
Defines the location of the default file system directory or Oracle ASM disk Group for redo log files and control file cre ation when no file specification are given in the create operation. By changing n, you can use this initialization parameter multiple times, where n specifies a multiplexed copy of the Redo Log or control file. You can specify up to five multiplexed copies.

Db_recovery_file_dest
Defines the location of the "Fast Recovery area", which is the default file system directory or Oracle ASM disk group where The database creates RMAN backups when no format option was used, archived logs when no other local destination was Configur Ed, and flashback logs. Also used as the default location for redo log and control files or multiplexed copies of redo log and control files if DB _create_online_log_dest_n is not specified.

Related articles:

ORACLE OMF Introduction

O? R? A? C? L? E?? O? M? The interpretation of F.

Oracle OMF (Oracle Managed Files) description

"OMF" uses the OMF features of Oracle