ORA-29760: instance_number parameter not specified

I felt myself stupid when I lost a few minutes to undestand this error:

SQL> startup pfile=init_corpdb.ora
ORA-29760: instance_number parameter not specified

Do you belive the solution was simply to set a number in ORACLE_SID?
Take a look:

dbsrvr>echo $ORACLE_SID
corpdb
dbsrvr>export ORACLE_SID=corpdb_1
dbsrvr>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Sun Jun 28 00:18:05 2015
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup pfile=init_corpdb.ora
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.

I hope neve miss time with this again… 😛

Matheus.

2 thoughts on “ORA-29760: instance_number parameter not specified

  1. [oracle@rac1 ~]$ echo $ORACLE_SID
    test1
    [oracle@rac1 ~]$ !sql
    sqlplus / as sysdba

    SQL*Plus: Release 11.2.0.3.0 Production on Wed Oct 12 23:08:49 2016

    Copyright (c) 1982, 2011, Oracle. All rights reserved.

    Connected to an idle instance.

    SQL> startup spfile=’+data/test/spfiletest.ora’
    SP2-0714: invalid combination of STARTUP options
    SQL> startup
    ORA-29760: instance_number parameter not specified

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