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ORA-27101: shared memory realm does not exist

2731508Sep 4 2014 — edited Sep 5 2014

Hello,

I just installed a few week ago oracle 12.1.0.1.0 on AIX 7.1 (2 instances, dbtest and delphix), It was working without issues. But now I'm getting the below error:

$ sqlplus / @testdb as sysdba

SQL*Plus: Release 12.1.0.1.0 Production on Thu Sep 4 10:14:06 2014

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

ERROR:

ORA-01034: ORACLE not available

ORA-27101: shared memory realm does not exist

IBM AIX RISC System/6000 Error: 2: No such file or directory

Process ID: 0

Session ID: 0 Serial number: 0

Enviroment variables:

$ .oraenv

-bash: .oraenv: command not found

$ . oraenv

ORACLE_SID = [testdb] ?

The Oracle base remains unchanged with value /u01/app/oracle

$ env | grep ORACLE

ORACLE_SID=testdb

ORACLE_BASE=/u01/app/oracle

ORACLE_HOME=/u01/app/oracle/product/12.1.0/dbhome_1

And

$ . oraenv

ORACLE_SID = [testdb] ? delphix

The Oracle base remains unchanged with value /u01/app/oracle

$ env | grep ORACLE

ORACLE_SID=delphix

ORACLE_BASE=/u01/app/oracle

ORACLE_HOME=/u01/app/oracle/product/12.1.0/dbhome_1

I also checked smon and pmon  aren't running. But I'm unable to start the database due to sqlplus issue. I  tried set to start on boot  /etc/oratab and it's not working after reboot.

$ ps -ef | grep pmon

$ ps -ef | grep smon

$

Thanks in advance

This post has been answered by 2731508 on Sep 5 2014
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Locked on Oct 3 2014
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