NAME | 
VARCHAR2(513) | 
Location name. This is the value specified in the DB_RECOVERY_FILE_DEST initialization parameter. | 
SPACE_LIMIT | 
NUMBER | 
Maximum amount of disk space (in bytes) that the database can use for the fast recovery area. This is the value specified in the DB_RECOVERY_FILE_DEST_SIZE initialization parameter. | 
SPACE_USED | 
NUMBER | 
Amount of disk space (in bytes) used by fast recovery area files created in current and all previous fast recovery areas. Changing fast recovery areas does not reset SPACE_USED to 0. | 
SPACE_RECLAIMABLE | 
NUMBER | 
Total amount of disk space (in bytes) that can be created by deleting obsolete, redundant, and other low priority files from the fast recovery area | 
NUMBER_OF_FILES | 
NUMBER | 
Number of files in the fast recovery area |