清理归档日志

 SQL> shutdown immediate;
SQL> startup mount;
SQL> alter database flashback off;
SQL> alter database open; 

plsql 登录数据库的时候，只有sys用户才能够登录，其他用户登录提示如下信息：

报错信息：archiver error.connect internal only util freed;

以上报错是数据库归档日志满了。。解决方法如图命令。

登录数据库服务器;

方法二：

rman target /

crosscheck archivelog all;

delete noprompt archivelog until time 'sysdate-0.5';  --删除半天前的日志

方法三：

参考：http://jingyan.baidu.com/article/e52e3615ade09040c60c5102.html

感谢这位作者。

1、查看归档日志信息

SQL> show parameter log_archive_dest

NAME     TYPE VALUE

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

log_archive_dest     string

log_archive_dest_1     string

log_archive_dest_10     string

log_archive_dest_11     string

log_archive_dest_12     string

log_archive_dest_13     string

log_archive_dest_14     string

log_archive_dest_15     string

log_archive_dest_16     string

log_archive_dest_17     string

log_archive_dest_18     string

NAME     TYPE VALUE

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

log_archive_dest_19     string

log_archive_dest_2     string

log_archive_dest_20     string

log_archive_dest_21     string

log_archive_dest_22     string

log_archive_dest_23     string

log_archive_dest_24     string

log_archive_dest_25     string

log_archive_dest_26     string

log_archive_dest_27     string

log_archive_dest_28     string

NAME     TYPE VALUE

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

2、查看归档日志存放目录

SQL> show parameter recover

NAME     TYPE VALUE

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

db_recovery_file_dest     string /u01/oradata/fast_recovery_are

a

db_recovery_file_dest_size     big integer 10G

db_unrecoverable_scn_tracking     boolean TRUE

recovery_parallelism     integer 0

SQL> 

3、检查flash recovery area的使用情况

SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;

FILE_TYPE     PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE

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

NUMBER_OF_FILES

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

CONTROL FILE    .39 0

     1

REDO LOG      0 0

     0

ARCHIVED LOG      0 0

     0

由于我这里是清理过的，所以是0

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.

4、进入到归档日志的存放目录，找到所有归档日志文件并删除。

cd /u01/oradata/fast_recovery_are

rm -rf 

5、进入RMAN控制台，检查一些无用的archivelog，删除过期的归档日志。

[oracle@fossdb ~]$ rman target /

Recovery Manager: Release 11.2.0.3.0 - Production on Sun Apr 24 11:56:41 2016

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: FOSSDB (DBID=4284647288)

RMAN> crosscheck archivelog all;

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=2046 device type=DISK

validation failed for archived log

RMAN> delete expired archivelog all;  删除所有过期的归档日志

released channel: ORA_DISK_1

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=2046 device type=DISK

List of Archived Log Copies for database with db_unique_name FOSSDB

=====================================================================

Key     Thrd Seq     S Low Time 

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

17      1    17846   X 22-APR-16

        Name: /u01/oradata/fast_recovery_area/FOSSDB/archivelog/2016_04_22/o1_mf_1_17846_ckmn7j3m_.arc

18      1    17847   X 22-APR-16

6、再次检查flash recovery area的使用情况

SQL>select * from V$FLASH_RECOVERY_AREA_USAGE

启动或关闭归档日志：

参考文献：

http://www.eygle.com/archives/2004/10/oracle_howtoeci.html

1.管理员身份连接数据库

2.查看当前归档模式，是归档还是非归档

SQL> archive log list;

Database log mode              No Archive Mode

Automatic archival             Disabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence     228

Current log sequence           230

3.关闭数据库

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

4.启动数据库到mount状态

SQL> startup mount;

ORACLE instance started.

Total System Global Area 3423965184 bytes

Fixed Size                  2180544 bytes

Variable Size            2013268544 bytes

Database Buffers         1392508928 bytes

Redo Buffers               16007168 bytes

Database mounted.

5.启动归档模式

SQL> alter database archivelog;

Database altered.

SQL> archive log list; //查看归档状态

Database log mode              Archive Mode

Automatic archival             Enabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence     228

Next log sequence to archive   230

Current log sequence           230

6.启动数据库

SQL> alter database open;

Database altered.

7.关闭归档模式

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup mount;

ORACLE instance started.

Total System Global Area 3423965184 bytes

Fixed Size                  2180544 bytes

Variable Size            2013268544 bytes

Database Buffers         1392508928 bytes

Redo Buffers               16007168 bytes

Database mounted.

SQL> alter database noarchivelog;

Database altered.

SQL> archive log list; //查看归档状态

Database log mode              No Archive Mode

Automatic archival             Disabled

Archive destination            USE_DB_RECOVERY_FILE_DEST

Oldest online log sequence     228

Current log sequence           230

SQL>