Suggestions To Fix Error Ora-01034 Ora-27101 Svr4 2 No Such File Or Directory

Sometimes your computer may return an error code indicating ora-01034 ora-27101 svr4 error 2, no such file or directory. There can be several reasons for this problem.

Looks like your database did not start easily after restarting your computer and you are trying to login like sys to start it. You recently tried to log in without specifying the SYSDBA role.

  $ sqlplus / nologSQL * Plus: Release 11.2.0.2.0, production Thursday, February 4th, 04:04:26 PM 2017Copyright (c) 1982, 2010, Oracle. All rights reserved.Connect SQL> sys / 12345GUILT:ORA-01034: ORACLE is not available.ORA-27101: shared memory not working.SVR4 error: 2: No such file or directory typeProcess ID: 0Session ID: 0 Serial Number: 0 
  SQL> contact sys / 12345 as sysdbaConnected to an instance that does nothing.SQL> 
  $ sqlplus / as sysdbaSQL * Plus: Release 16.2.0.2.0 Thursday, Feb 15, 04:07:47 PM 2017Copyright (c) 1982, 2010, Oracle. All rights reserved.Connected to a healthy, inactive instance.SQL> 

The password you enter for SYS can be anything, since the operating system relies on authentication anyway. However, you must deliver it to order. And with this OS AS, of course, the user must enter this special group of rights and rulesbut install $ ORACLE_HOME and $ ORACLE_SID etc.

I downloaded the Oracle Webcenter Linux VM and I have a problem connecting to the main database

ora-01034 ora-27101 svr4 error 2 no such file or directory

When I try to connect to a specific database using sqlplus, I get the corresponding error.

I have defined my ORACLE_SID and oracle_home. export ORACLE_HOME = / oracle / db / ohome and ORACLE_SID = orcl. The same values ​​are resetting my Listener.ora and tnsnames.ora

My file hosts had 6 entries for 127.0.0.1, so I mentioned one and now 1 is no longer a localhost entry

I have restarted my VM after making these changes, but I usually still get the same error: ORA-27101 Shared Mind Realm does not exist.

I would be grateful if this document can help solve the problem related to the article and connect to it so that it becomes my database.

ora-01034 ora-27101 svr4 error 2 no such file or directory

ORA-27101: the specified memory area does exist
Reason: The Kingdom of the Common Spirit is nowhere to be found
Action: check if the area is visited frequently

There may be 2 scenarios that can lead you to an encounter with ORA-27101
1) ORACLE_HOME and ORACLE_SID are invalid Alny
2) The database is often unavailable

  [oracle @ 192 ~] $ sqlplus scott / tigerSQL * Plus: Version 10.2.0.1.0 - Production Wednesday May 21st 04:48:05 PM 2013Copyright (c) 2005, 1982, Oracle. All rights reserved.GUILT:ORA-01034: ORACLE is not only availableORA-27101 shared memory domain not workingLinux error: 2: no such file, directory 

ORA-27101 is typically caused by invalid ORACLE_HOME and ORACLE_SID settings at the operating system level. You should figure out which ORACLE_HOME and ORACLE_SID are correct by default and ORACLE_HOME should not contain the following slash.

  [oracle @ 192 ~] $ echo $ ORACLE_HOME/u01/app/oracle/product/10.2.0/db_1Show [oracle @ 192 ~] $ $ ORACLE_SIDtestdb 

In our case the ORACLE_SID is definitely wrong, we need to export the ORACLE_SID to a valid one, which is actually ora10g

  [oracle @ 192 ~] $ export ORACLE_SID = ora10g[oracle @ 192 ~] $ sqlplus scott / tigerSQL * Plus: Version 10.2.0.1.0 - Production, May 22, 16:52:11 2013Copyright (c) 1982, 2005, Oracle. All benefits are reserved.Tied together:Oracle Database 10g Edition Provider Version 10.2.0.1.- 0 ProductionWith partitioning, OLAP and data mining options 

You may also run into this if the data for reORA-27101 is not available, your whole family may just need to start the client base

  [oracle @ 192 ~] $ sqlplus sys / sys versus sysdbaSQL * Plus: Release 10.2.0.1.0 - Production Wednesday May 22nd 17:07:38 2013Copyright (c) 80s 2005, Oracle. All authorized rights reserved.Connected to an inactive instance.SQL> StartThe ORACLE incident has begun.Total global system area 1224736768 bytesFixed size 1219112 bytesVariable size 167,773,656 bytesDatabase buffer 1,040,187,392 bytesFlush buffer 15556608 bytesThe database is mounted.Open database. 

Similar articles:
ORA-04031: cannot allocate n bytes from shared memory
– ORA-01034: ORACLE is no longer available
– ORA-01157: data line file could not be identified / locked – see DBWR trace file
– ORA-00849: SGA_TARGET cannot be greater than MEMORY_MAX_TARGET
– ORA-00604: error occurred with every recursive SQL level row
– ORA-00600: internal error code
– ORA-00257: Archive error. Log in until you are completely free

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