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ORA-00257报错解决办法

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archive log 日志已满ORA-00257: archiver error. Connect internal only, until freed 错误的处理方法

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;

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