合 ORA-15204: database version 11.2.0.4.0 is incompatible with diskgroup DATA

现象

在执行rman还原控制文件时，报错了，“ORA-15204: database version 11.2.0.4.0 is incompatible with diskgroup DATA”：

分析

源库是11.2.0.3，新库是12.2.0.1，需要迁移升级。

所以，问题是参数的“DATABASE_COMPATIBILITY”不兼容。

解决

另外，可以直接修改compatible.rdbms属性，但是，我执行的时候卡住了，时间紧迫，我就不深究了：

参考

ORA-15204: database version 11.2.0.1.0 is incompatible with diskgroup DATA (Doc ID 1487320.1)

SYMPTOMS

NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the Oracle sample schema(s), Public Documentation delivered with an Oracle database product or other training material. Any similarity to actual environments, actual persons, living or dead, is purely coincidental and not intended in any manner.

For the purposes of this document, the following fictitious environment is used as an example to describe the procedure:

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