ORA-00257 archiver error. 错误的处理方法

文章来自：红黑联盟

该错误信息表示archive log 日志已满
ORA-00257: archiver error. Connect internal only, until freed 错误的处理方法
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]# echo $ORACLE_BASE
/u01/app/oracle
[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（比如360以后的）

---------------------------------------------------------------------------------------
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
Copyright (c) 1982, 2007, Oracle.  All rights reserved.
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

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                23.03                         0              36
BACKUPPIECE                   0                         0               0
IMAGECOPY                     0                         0               0
FLASHBACKLOG                  0                         0               0

其它有用的Command:
----------------------------------
如果archive log模式下不能正常startup,则先恢复成noarchive log,startup成功后，再shutdown;

shutdown immediate;
startup mount;
alter database noarchivelog;
alter database open;
shutdown immediate;
再次startup以archive log模式
shutdown immediate;
startup mount;
show parameter log_archive_dest;
alter database archivelog;
archive log list;               
alter database open;
如果还不行，则删除一些archlog log

SQL> select group#,sequence# from v$log;

    GROUP#  SEQUENCE#
---------- ----------
         1         62
         3         64
         2         63

原来是日志组一的一个日志不能归档

SQL> alter database clear unarchived logfile group 1;
alter database open;

最后，也可以指定位置Arch Log, 请按照如下配置

select name from v$datafile;
alter system set log_archive_dest='/opt/app/oracle/oradata/usagedb/arch' scope=spfile

或者修改大小

SQL> alter system set db_recovery_file_dest_size=3G scope=both;