OPEN RESETLOGS 启动，报ORA-00392 ORA-00312错误

错误信息：

SQL> alter database open resetlogs;

alter database open resetlogs
*
ERROR at line 1:
ORA-00392: log 3 of thread 1 is being cleared, operation not allowed
ORA-00312: online log 3 thread 1: '/orabase/bak/oradata/orcl/redo03.log'

官方解释：

• CLEARING_CURRENT - Current log is being cleared of a closed thread. The log can stay in this status if there is some failure in the switch such as an I/O error writing the new log header.

• CLEARING - Log is being re-created as an empty log after an ALTER DATABASE CLEAR 

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