ORA-27101ORA-01034 troubleshooting

Source: Internet
Author: User
Oracle has started, connect to sqlplus, query, the following error ORA-01034: sharedmemoryrealmdoes

Oracle has started, connect to sqlplus, query, the following error ORA-01034: ORACLE not availableORA-27101: shared memory realm does

Oracle has been started. After connecting to sqlplus, perform the query. the following error occurs:

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> 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

Think of the oracle user's environment variable that has just been modified. It should be that oracle_home cannot be found and modified again. It is normal.

Recommended reading:

ORA-01172, ORA-01151 error handling

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Notes on ORA-00471 Processing Methods

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Solution to ORA-00257 archive logs being too large to store

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