/* */ autobackup]$ rm -rf 2014_10_13
[[email protected] autobackup]$ rm -rf 2014_10_15

RMAN:

RMAN> crosscheck backup;
RMAN> delete expired backup;

RMAN> crosscheck archivelog all;
RMAN> delete expired archivelog all;

sqlplus：

[email protected]>show parameter db_re

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_recovery_file_dest string /u01/app/oracle/fast_recovery_
area
db_recovery_file_dest_size big integer 4G
db_recycle_cache_size big integer 0
[email protected]

>desc v$recovery_area_usage;
Name Null? Type
----------------------------------------- -------- ----------------------------
FILE_TYPE VARCHAR2(20)
PERCENT_SPACE_USED NUMBER
PERCENT_SPACE_RECLAIMABLE NUMBER
NUMBER_OF_FILES NUMBER

[email protected]>select sum(PERCENT_SPACE_USED) from v$recovery_area_usage;

SUM(PERCENT_SPACE_USED)
-----------------------
33.45

Oracle 閃回區滿解決的方法