Oracle归档满后如何处理

ORA-00257: archiver error. Connect internal only, until freed 错误的处理方法

检查是否开归档的语句如下:

select name,log_mode from v$database;

1. 用sys用户登录

sqlplus sys/pass@tt as sysdba

2. 看看archiv log所在位置

SQL> show parameter log_archive_dest;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

log_archive_dest string

log_archive_dest_1 string

log_archive_dest_10 string

3. 一般VALUE为空时，可以用archive log list;检查一下归档目录和log sequence

SQL> archive log list;

Database log mode Archive Mode

Automatic archival Enabled

Archive destination USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence 360

Next log sequence to archive 360

Current log sequence 362

4. 检查flash recovery area的使用情况,可以看见archivelog已经很大了，达到96.62

SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;

FILE_TYPE PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES

------------ ------------------ ------------------------- ---------------

CONTROLFILE .13 0 1

ONLINELOG 2.93 0 3

ARCHIVELOG 96.62 0 141

BACKUPPIECE 0 0 0

IMAGECOPY 0 0 0

FLASHBACKLOG 0 0 0

5. 计算flash recovery area已经占用的空间

SQL> select sum(percent_space_used)*3/100 from v$flash_recovery_area_usage;

SUM(PERCENT_SPACE_USED)*3/100

-----------------------------

2.9904

6. 找到recovery目录, show parameter recover

SQL> show parameter recover;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

db_recovery_file_dest string /u01/app/oracle/flash_recovery_area

db_recovery_file_dest_size big integer 5G

recovery_parallelism integer 0

7 上述结果告诉我们，归档位置用的是默认值，放在flash_recovery_area下(db_recovery_file_dest目录=/u01/app/oracle/flash_recovery_area)

[root@sha3 10.2.0]# cd $ORACLE_BASE/flash_recovery_area/tt/archivelog

转移或清除对应的归档日志, 删除一些不用的日期目录的文件，注意保留最后几个文件

---------------------------------------------------------------------------------------

注意:

在删除归档日志后，必须用RMAN维护控制文件，否则空间显示仍然不释放。

---------------------------------------------------------------------------------------

8. rman target sys/pass

[root@sha3 oracle]# rman target sys/pass

Recovery Manager: Release 10.2.0.4.0 - Production on Tue Jan 20 01:41:26 2009

connected to target database: tt (DBID=4147983671)

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;

delete archivelog until time 'sysdate-1' ; 删除截止到前一天的所有archivelog

11. 再次查询，发现使用率正常，已经降到23.03