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ORA-00245: control file backup failed; target is likely on a local file system

问题描述:在主库给备库生成一个控制文件用于恢复,主库是一套rac环境,但是生成到文件系统失败

SQL> alter database create standby controlfile as \'/home/oracle/racdg1.ctl\';

ORA-00245: control file backup failed; target is likely on a local file system

这里要查看主库的rman设置,可以看到snapshot controlfile设置在文件系统上

RMAN> show all;

调整snapshot备份策略

重新生成standby成功

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