Why may be RMAN backup not taken to FRA on 10.2.0.3 EE?

Question

below is my configuration and rman script, but my backups are taken to $ORACLE_HOME/dbs not FRA;
SQL> show release
release 1002000300
SQL> archive log list
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     5
Next log sequence to archive   7
Current log sequence           7
SQL> select name, value from v$system_parameter
  2  where name like 'db_recovery%' ;
NAME
VALUE
db_recovery_file_dest
/home/oracle/
db_recovery_file_dest_size
4147483648
SQL> SELECT * FROM V$FLASH_RECOVERY_AREA_USAGE;
FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
CONTROLFILE                   0                         0               0
ONLINELOG                     0                         0               0
ARCHIVELOG                 4,72                       ,08               8
BACKUPPIECE                 ,17                         0               1
IMAGECOPY                     0                         0               0
FLASHBACKLOG                 ,2                         0               1
6 rows selected.
SQL> SELECT * FROM V$RECOVERY_FILE_DEST;
NAME
SPACE_LIMIT SPACE_USED SPACE_RECLAIMABLE NUMBER_OF_FILES
/home/oracle/
4147483648  211147264           3263488              10
run
{ set command id to 'RMAN_Full_Backup';
sql "ALTER SYSTEM CHECKPOINT GLOBAL";
backup incremental level 0
tag DB_full_backup
format 'DB_d%d_t%t_u%u'
(database include current controlfile);
sql "ALTER SYSTEM SWITCH LOGFILE";
sql "ALTER SYSTEM ARCHIVE LOG CURRENT";
backup
filesperset 20
format 'ARC_d%d_t%t_u%u'
(archivelog all); }Thank you.

Answer 1

Backups from RMAN go to dbs folder when there is no FRA or Format parameter configured.If there is any parameter given than Oracle would send teh backups over there only.Use list backup and show us where the backups have gone.You have FRA set so they must be going there only.
Aman....