Oracle Flashback database 闪回数据库引发ORA-01206

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oerr ora 1206
01206, 00000, "file is not part of this database - wrong database id"
// *Cause: The database ID in the file header does not match the database id
// in the control file. The file may be from a different database, or
// it may not be a database file at all. If the database was rebuilt,
// this may be a file from before the rebuild. Note that if you see 
// this error when the file is supposed to be plugged in from another
// database via the Transportable Tablespace feature, it means the 
// database ID in the file header does not match the one expected.
// *Action: Restore a copy of the correct data file and do recovery as needed.

适用于：

Oracle Database – Enterprise Edition – 版本11.2.0.3 及以上
本文信息适用于任何平台。

症状

Flashback database 命令失败，生成错误ORA-01206：

FLASHBACK DATABASE TO RESTORE POINT MY_RESTORE_POINT_1
*
ERROR at line 1:
ORA-01206: file is not part of this database – wrong database id
ORA-01110: data file 65: ‘+DATA1/orcl/datafile/my_ro_datafile.dbf’

原因

仅对于是只读表空间一部分的数据文件生成错误

使用RMAN duplicate命令，数据库从其他数据库克隆
源数据库曾有Read_only表空间

在RMAN Duplicate时，数据文件头的dbid未更改，因为无法写在数据文件上。

这其实是在之前发行版上报告的bug的修复：

RMAN Duplicate with Read-Only Datafiles fail with: ORA-01122, ORA-01110, and ORA-01206 (Doc ID 1113705.1)
解决方案

对来自之前的resetlogs操作的READONLY 数据文件按需处理。

遇到该问题的客户可以：

恢复到数据库的最近状态：

SQL> startup mount
SQL> alter database datafile 62 offline drop;
SQL> recover database;
SQL> alter database open;
SQL> alter tablespace MY_RO_TABLESPACE online;

或运行flashback 操作：

SQL> startup mount
SQL> alter database datafile 62 offline drop;
SQL> FLASHBACK DATABASE  TO RESTORE POINT MY_RESTORE_POINT_1;
SQL> alter database open resetlogs;
SQL> alter tablespace MY_RO_TABLESPACE online;