ORACLE启动报错：ORA-16068：redo log file activation identifier mismatch

ORACLE9i启动报错：

由于数据库属于正常关闭可以参照以下两种方式进行处理：

1.备份redo

SQL> recover database until cancel

SQL> alter database open resetlogs;

SQL> alter database open;

2.备份redo

SQL> select * from v$log;

SQL> alter database clear unarchived logfile group 1;

SQL> alter database clear unarchived logfile group 2;

SQL> alter database clear unarchived logfile group 3;

SQL> alter database open;