SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;
FILE_TYPE PERCENT_SPACE_USED
------------------------------------------------------------ ------------------
PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------------------- ---------------
CONTROL FILE 0
0 0
REDO LOG 0
0 0
ARCHIVED LOG 95.08
0 16
FILE_TYPE PERCENT_SPACE_USED
------------------------------------------------------------ ------------------
PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------------------- ---------------
BACKUP PIECE 0
0 0
IMAGE COPY 0
0 0
FLASHBACK LOG 0
0 0
FILE_TYPE PERCENT_SPACE_USED
------------------------------------------------------------ ------------------
PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------------------- ---------------
FOREIGN ARCHIVED LOG 0
0 0
7 rows selected.
SQL> show parameter db_recovery_file_dest;
NAME TYPE
------------------------------------ ---------------------------------
VALUE
------------------------------
db_recovery_file_dest string
/picclife/app/oracle/fast_reco
very_area
db_recovery_file_dest_size big integer
4182M
SQL> select sum(percent_space_used)*3/100 from v$flash_recovery_area_usage;
SUM(PERCENT_SPACE_USED)*3/100
-----------------------------
2.8524
9. 检查一些无用的archivelog
RMAN> crosscheck archivelog all;
10. 删除过期的归档
RMAN> delete expired archivelog all;
RMAN> DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE-7';
再次查看
SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;
FILE_TYPE PERCENT_SPACE_USED
------------------------------------------------------------ ------------------
PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------------------- ---------------
CONTROL FILE 0
0 0
REDO LOG 0
0 0
ARCHIVED LOG 25.82
0 5
FILE_TYPE PERCENT_SPACE_USED
------------------------------------------------------------ ------------------
PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------------------- ---------------
BACKUP PIECE 0
0 0
IMAGE COPY 0
0 0
FLASHBACK LOG 0
0 0
FILE_TYPE PERCENT_SPACE_USED
------------------------------------------------------------ ------------------
PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES
------------------------- ---------------
FOREIGN ARCHIVED LOG 0
0 0
7 rows selected.
