ORA-16038: log 3 sequence# 3210 cannot be archived
ORA-19502: write error on file "", block number (block size=)
ORA-00312: online log 3 thread 1: '/u01/app/oracle/oradata/orcl/redo03.log'
------解决方案--------------------
归档空间满了，清理下应该就可以了
------解决方案--------------------
如果不是 生产库，改成非归档模式吧
------解决方案--------------------
先备份，然后清除过期的归档日志