ORACLE清理归档日志

1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流ORACLE清理归档日志.精品文档.清理归档日志：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/passtt as sysdba2. 看看archiv log所在位置SQL> show parameter log_archive_dest;NAME         &

2、#160;                           TYPE        VALUE- - -log_archive_dest           

3、;        stringlog_archive_dest_1               stringlog_archive_dest_10             string3. 一般VALUE为空时，可以用archive log list;检查一下归档目录和

4、log sequenceSQL> archive log list;Database log mode                 Archive ModeAutomatic archival                   EnabledArc

5、hive destination                  USE_DB_RECOVERY_FILE_DESTOldest online log sequence     360Next log sequence to archive  360Current log sequence       &#

6、160;      3624. 检查flash recovery area的使用情况,可以看见archivelog已经很大了，达到96.62SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;FILE_TYPE    PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES- - - -CONTROLFILE        &

7、#160;        .13                        0               1ONLINELOG  &#

8、160;               2.93                        0           &

9、#160;   3ARCHIVELOG                96.62                       0       

10、;       141BACKUPPIECE                   0                       

11、  0               0IMAGECOPY                      0           

12、60;             0               0FLASHBACKLOG                0     

13、60;                   0               05. 计算flash recovery area已经占用的空间SQL> select sum(percent_space_used)*3/100 from v$flash_recovery_are

14、a_usage;SUM(PERCENT_SPACE_USED)*3/100-                       2.9904                    

15、60;  6. 找到recovery目录, show parameter recoverSQL> show parameter recover;NAME                                 TYPE   &

16、#160;    VALUE- - -db_recovery_file_dest                string           /u01/app/oracle/flash_recovery_areadb_recovery_file_dest_size    &#

17、160;   big integer   5Grecovery_parallelism                   integer         0            

18、;           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)rootsha3 10.2.0# echo $ORACLE_BASE/u01/app/oraclerootsha3 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

19、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/passrootsha3 oracle# rman target sys/passRecovery Manager: Release 10.2.0.4.0 - Production on Tue Jan 20 01:41:26 2009Copyright (c) 1982, 2007, Oracle.  All rights reserved.connected to target database: t

20、t (DBID=4147983671)9. 检查一些无用的archivelogRMAN> 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archivelog11. 再次查询，发现使用率正常，已经降到23.03SQL> select * from V$FLASH_RECOVERY_AREA_USAGE;FILE_TYPE   

21、 PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES- - - -CONTROLFILE                 .13                    &

22、#160;    0               1ONLINELOG                  2.93            &

23、#160;            0               3ARCHIVELOG                23.03      

24、;                   0              36BACKUPPIECE                &

25、#160;  0                         0               0IMAGECOPY       

26、0;             0                         0             

27、  0FLASHBACKLOG                  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;