问题
i am facing this error when i start the oracle. I checked Oracle Home and SID. everything is set properly.
ORA-27101: shared memory realm does not exist
please help me to find out the solution. Thanks in advance
回答1:
That error generally means there's no Oracle instance (the processes) to connect to. Someone needs to log in and start the instance.
回答2:
I've just resolved this issue on Debian.
If ORACLE_HOME has a trailing slash, this error appears. If you remove the trailing slash, connection works fine.
来源：https://stackoverflow.com/questions/3302941/ora-27101-shared-memory-realm-does-not-exist