Oracle 10g MAA环境下面,主库更换 undo tablespace后,logical备库故障
Jun 07, 2016 pm 05:33 PMOracle 10g MAA环境下面,主库更换 undo tablespace后,logical备库故障
环境如下:
Oracle 10g MAA:
主库RDBA,两个实例:
RDBA1(undo表空间为undotbs1)
RDBA2(undo表空间为undotbs2)
逻辑备库site1,,两个实例:
dg21(undo表空间为undotbs1)
dg22(undo表空间为undotbs2)
在主库上添加新的undo表空间,然后删除旧的undo表空间:
RDBA1(undotbs1->undotbs3)
RDBA2(undotbs2->undotbs4)
备库上会同步出现这两个新表空间,但是不会删除undotbs1和undotbs2。从备库的初始化参数看,备库仍在使用旧的undo。
但是今天重启备库后,发现没有applyprocess了。在dba_logstdby_events中报告:ora-30013:undotablespace'UNDOTBS1'iscurrentlyinuse。
最后,手动改备库undo_tablespace参数:
dg21(undotbs1->undotbs3)
dg22(undotbs2->undotbs4)
问题解决。我想:如果没有重启,备库就将一直用undotbs1和undotbs2下去。
问题解决后发现:备库上已经自动地没有了undotbs1和undotbs2了。
相关阅读:
使用RAC和Data Guard构建MAA架构
Oracle 10g rac Standby 归档日志自动删除脚本
Oracle 10g客户端连接远程数据库配置图解
敏捷的Oracle 10g MAA配置方法

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