①清理 /u01/app/oracle/diag/rdbms/orcl/orcl/incident
#su - oracle
$cd /u01/app/oracle/product/11.2.0/db_1/bin
$adrci

show home

• //发现有多条记录*
  set homepath /diag/rdbms/orcl/orcl
• //强制设定清理目录的homepath*
  show home
• //确认home只有一条记录*
  show incident
• //查看incident文件，发现超多*
  purge -age 1440 -type incident
• //24h70m=1440min 以分钟算*
  exit

②清理adump目录

$sqlplus / as sysdba 

• //以dba身份连接库*

  SQL>show parameter audit_file_dest

• //查看aud文件存放路径*

  $find /u01/app/oracle/admin/orcl/adump -mtime +3 -name "*.aud" | xargs rm -f

③清理trace文件

$sqlplus / as sysdba 
SQL>show parameter background_dump_dest
$find /u01/app/oracle/diag/rdbms/orcl/orcl/trace -mtime +3 -name "*.trc" | xargs rm -f
$find /u01/app/oracle/diag/rdbms/orcl/orcl/trace -mtime +3 -name "*.trm" | xargs rm -f

④清理xml日志

$find /u01/app/oracle/diag/rdbms/orcl/orcl/alert -mtime +3 -name "log_*.xml" | xargs rm -f