ORA-27101 ORA-01034 错误解决

Oracle已经启动，连接sqlplus后，进行查询，出现下面错误ORA-01034: ORACLE not availableORA-27101: shared memory realm does

Oracle已经启动，连接sqlplus后，进行查询，出现下面错误

ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory
SQL> shutdown immediate;
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist

Linux-x86_64 Error: 2: No such file or directory

想起刚修改过oracle用户的环境变量，应该是找不到oracle_home，重新修改，正常。

推荐阅读：

ORA-01172、ORA-01151错误处理

ORA-00600 [2662]错误解决

ORA-01078 和 LRM-00109 报错解决方法

ORA-00471 处理方法笔记

ORA-00314,redolog 损坏，或丢失处理方法

ORA-00257 归档日志过大导致无法存储的解决办法