This article briefly introduces how to solve the ORA-27101, ORA-27102 errors in the use of oracle, students who need to learn can refer to the lower.
The error message is as follows:
ORA-27101
Shared memory realm does not exist
Cause: Unable to locate shared memory realm
Action: Verify that the realm is accessible
ORA-27102
Out of memory
Cause: Out of memory
Action: Consult the trace file for details
On centos6 today, we found that oracle shutdown and startup failed. We had a good history and reported the following error:
The Code is as follows: |
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SQL> shutdown immediate A ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Linux-x86_64 Error: 2: No such file or directory SQL> startup ORA-27102: out of memory Linux-x86_64 Error: 12: Cannot allocate memory Additional information: 1 Additional information: 1736716 Additional information: 8 |
Then, based on the two ora-find and find out, there is no progress, and the parameters remain unchanged.
At last, I suddenly remembered the nasty guy vncserver was opened on the server, but I shut it down at will. top off, I went there and ate a lot of CPU + memory, use root to stop it, and then it will be normal.