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因为搭建DG时备库中的db_name为SBCD,实际应该是主库db_name的PROD1所以在【主库】执行如下rman操作命令时会报错控制文件记录的数据库名与实际拷贝的数据库名不相同RMAN> duplicate target database for standby from active database;Starting Duplicate Db at 01-MAY-

SQL>@?/sqlplus/admin/plustrce.sqlSYS@EZreal hey~J->drop role plustrace;Role dropped.SYS@EZreal hey~J->create role plustrace;Role created.SYS@EZreal hey~J->SYS@EZreal hey~J->grant

[grid@node1 bin]$ ./addNode.sh "CLUSTER_NEW_NODES={node3}" "CLUSTER_NEW_VIRTUAL_HOSTNAMES={node3-vip}"Starting Oracle Universal Installer...Checking swap space: must be greater than 500 MB.  

在执行一个rman备份时出现报错，没开归档日志和数据文件7不能被控制文件读取RMAN> backup database plus archivelog delete input;Starting backup at 10-JUN-17ORACLE error from target database: ORA-00258: manual archiving in NOARCHIVE

[oracle@node2 ~]$ sqlplus / as sysdbaSQL*Plus: Release 11.2.0.4.0 Production on Tue Jul 4 13:31:46 2017Copyright (c) 1982, 2013, Oracle.  All rights reserved.Connected to an idle ins