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ORA-03113:通信通道的文件结尾

Jun 07, 2016 pm 04:47 PM

ORA-03113:通信通道的文件结尾 进程ID4781 查看alter.log 发现提示联机日志文件有问题 网上的方法看不是很懂,看到有很多错误 or

ORA-03113:通信通道的文件结尾 进程ID4781
 查看alter.log
 发现提示联机日志文件有问题
 网上的方法看不是很懂,看到有很多错误
 ora-16038:日志无法归档
 ora-00312
 ORA-19809: limit exceeded for recovery files
 ora-19804:无法回收。。。磁盘空间
 原来Oracle11g在默认情况下,归档日志是保存在闪存恢复区的,并且闪存恢复区的大小默认是2g,空间满了之后就没有办法再归档了。
 
启动数据库到mount状态,statup mount 更改recovery files空间大小,然后rman,删除过期的备份,指定备份策略,定期删除备份。

推荐阅读:

ORA-01172、ORA-01151错误处理

ORA-00600 [2662]错误解决

ORA-01078 和 LRM-00109 报错解决方法

ORA-00471 处理方法笔记

ORA-00314,redolog 损坏,或丢失处理方法

ORA-00257 归档日志过大导致无法存储的解决办法
 
SQL> show parameter db_recovery_file_dest
 NAME                                TYPE        VALUE
 ------------------------------------ ----------- ------------------------------
 db_recovery_file_dest                string      d:\app\qiao\flash_recovery
                                                  _area
 db_recovery_file_dest_size          big integer 2G
 
 解决办法,,有3种:
 1.加大闪存恢复区。
 ALTER SYSTEM SET db_recovery_file_dest_size=50g scope=both;
 
2.归档路径设置到其它地方。
 alter system set log_archive_dest = 其他路径
 
3.删除或转移归档日志。
 打开RMAN
 rman target /
 RMAN>crosscheck archivelog all;  -- 运行这个命令可以把无效的expired的archivelog标出来。
 RMAN>delete expired archivelog all;  -- 直接全部删除过期的归档日志。
 RMAN>delete noprompt archivelog until time "sysdate -3";  --删除系统当前日期3天前的归档,不经过提示、直接删除。或(DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE-7')
 
指定retention的策略(RMAN 的备份保留策略),使得archivelog不至于这样增加
 命令格式:
 configure retention policy clear ---------------备份保留策略使用默认值
 configure retention policy to none------------不采用任何备份保留策略
configure retention policy to recover window of integer days------------基于时间的备份保留策略,保留几天前的备份文件
 configure retention policy to redundancy integer-------基于冗余备份的备份保留策略,对备份文件保留几个冗余备份
 REPORT OBSOLETE命令查看当前处于废弃状态的备份文件
 DELETE OBSOLET 命令可立刻删除备份保留策略 不需要的文件(废弃文件)。

RMAN>configure retention policy to recovery window of 7 days;  保留七天内的所有备份。
 RMAN>configure retention policy to redundancy 3;                为每个数据文件保留3个冗余备份。
 SQL>alter system db_recovery_file_dest_size=4G scope=both;

当然我们可以写一个简单的shell脚本,对归档日志进行管理
 
#!/bin/bash
 #confirm oracle runing environment
 . /home/oracle/.bash_profile
 ps -ef |grep dbw0_$ORACLE_SID | grep -v grep >> /dev/null
 if [ $? -eq 0 ];then
    rman target / log=/orabackup/delarch`date +%Y%m%d`.log      crosscheck archivelog all;
    delete noprompt  expired archivelog all;
    backup as compressed backupset archivelog all format '/orabackup/cron-archlog_%U_%d_%T_%s_%p' delete input;
 exit;
 EOF
 fi
 
以上脚本对oracle归档进行了备份然后删除,根据自己需要修改,然后添加到crontab

linux

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