Warning: ORA-16824: multiple warnings, including fast-start failover-related war
报错： switchover to 'SBDB1' ORA-16824: multiple warnings, including fast-start failover-related warnings, detected for the database
原因：DG搭建后，感觉DB_FILE_NAME_CONVERT='PROD1','SBDB1' 这个参数没有用，于是清空了。
测试：
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主库创建表空间，备库即时生效。证明没有受到该参数的影响。
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switchover to 'SBDB1' ,报错： ORA-16824: multiple warnings, including fast-start failover-related warnings, detected for the database。这个报错没有明细指出问题。
show configuration 报错： ORA-16824: multiple warnings, including fast-start failover-related warnings, detected for the database。这个报错也没有明细指出问题。
show database verbose ‘SBDB1' 报错：Warning: ORA-16714: the value of property DbFileNameConvert is inconsistent with the database setting（ 警告:ORA-16714:属性DbFileNameConvert的值与数据库设置不一致 ）明确说明的问题。
证明这个命令很好用要记住。
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清空 db_broker 中 DB_FILE_NAME_CONVERT 参数，
EDIT DATABASE 'PROD1' set PROPERTY DbFileNameConvert='';
EDIT DATABASE 'SBDB1' set PROPERTY DbFileNameConvert='';
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重启主备库，执行switchover to ‘SBDB1' ,主备库切换成功。
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/31557076/viewspace-2374628/ ，如需转载，请注明出处，否则将追究法律责任。
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