1 通过命令查看错误日志目录:show parameter background_dump_dest
/usr/oracle/app/diag/rdbms/orcl/orcl/trace
![](https://images2015.cnblogs.com/blog/845772/201703/845772-20170330172223555-1940785076.png)
2 根据错误提示的PID:3159 模糊查询对应的错误日志
find -name "*ora*3159*.trc"
![](https://images2015.cnblogs.com/blog/845772/201703/845772-20170322221236877-1703208677.jpg)
more orcl_ora_3159.trc
3 查询归档日志
select * from v$recovery_file_dest;
删除归档日志
![](https://images2015.cnblogs.com/blog/845772/201703/845772-20170322222002190-1600538167.png)
4 警告日志
查询警告日志全称:find -name "alert*.log"
![](https://images2015.cnblogs.com/blog/845772/201703/845772-20170330180237164-628750487.png)
查看警告日志内容
![](https://images2015.cnblogs.com/blog/845772/201703/845772-20170330180514586-447015807.png)