In this Document

Applies to:

Symptoms

Not able to modify the spfile with alter system command.

SQL> alter system set open_cursors=2000 scope=spfile;
alter system set open_cursors=2000 scope=spfile
*
ERROR at line 1:
ORA-32000: write to SPFILE requested but SPFILE is not modifiable

Changes

Created the spfile in $ORACLE_HOME/dbs using below command.

SQL> create spfile from pfile;

Where pfile having information about spfile which is there in ASM

ex:

Content of the pfile looks like below.

$ cat $ORACLE_HOME/dbs/initdb11gr2.ora

SPFILE='+DATA/db11gr2/spfiledb11gr2.ora'

Cause

If you see the spfile parameter in the database it shows as below.

ex:

SQL> show parameter spfile

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string /u01/app/oracle/product/11.2.0
/dbhome_1/dbs/spfiledb11gr2.or
a

Content of the spfile looks like below.

cat /u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfiledb11gr2.ora

SPFILE='+DATA/db11gr2/spfiledb11gr2.ora'

Solution

1. Move the spfile which is there in $ORACLE_HOME/dbs

ex:

mv spfiledb11gr2.ora spfiledb11gr2.ora.bkp

2. Create the file in $ORACLE_HOME/dbs location with init.ora name with below content.

SPFILE=''

ex:

FileName: initdb11gr2.ora

SPFILE='+DATA/db11gr2/spfiledb11gr2.ora'

3. Then restart the database, it will use the spfile which is there in ASM.

4. Now you will be able to modify the spfile with below command.

alter system set open_cursors=2000 scope=spfile;