ORA-29760: instance_number parameter not specified

Hi,

Sometimes You can get “ORA-29760: instance_number parameter not specified ” error.

 

Details of error are as follows.

ORA-29760: instance_number parameter not specified
Cause: The init.ora file did not contain a value for the instance_number which is required to identify this instance to other instances of the database running on the same cluster
Action: Assign a value to the instance_number parameter in the init.ora parameter file
SQL> startup
ORA-29760: instance_number parameter not specified

 

 


Check the Oracle SID, if it is wrong, then fix it and try again.

 

[oracle@msdbadm01 ~]$ echo $ORACLE_SID
msdb

[oracle@msdbadm01 ~]$

Instance name should be msdb1 , change it and try again.

[oracle@msdbadm01 ~]$ export ORACLE_SID=msdb1

[oracle@msdbadm01 ~]$ sqlplus / as sysdba
SQL*Plus: Release 12.1.0.2.0 Production on Sun Apr 23 00:18:05 2015
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 4275781632 bytes
Fixed Size 2220200 bytes
Variable Size 889196376 bytes
Database Buffers 3372220416 bytes
Redo Buffers 12144640 bytes
Database mounted.
Database opened.

 

 

Do you want to learn Oracle Database for Beginners, then read the following articles.

https://ittutorial.org/oracle-database-19c-tutorials-for-beginners/

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About Mehmet Salih Deveci

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