How do I generate a Spfile from Pfile?

How do I generate a Spfile from Pfile?

A SPFILE is created from a PFILE using one of the following commands. SQL> CREATE SPFILE FROM PFILE = ‘$ORACLE_HOME/dbs/my_pfile. ora’; SQL> CREATE SPFILE = ‘$ORACLE_HOME/dbs/my_spfile. ora’ FROM PFILE = ‘$ORACLE_HOME/dbs/my_pfile.

How do I create a Spfile from Pfile in RAC?

Steps to Recreate spfile from pfile in ASM

1. STEP 1: Shut down the database cluster.
2. STEP 2: Start only one instance using existing pfile in nomount state.
3. STEP 3: Create spfile on ASM from existing pfile.
4. STEP 4: Shutdown and start the database.
5. STEP 5: Check the status of the database.

How do I use Pfile instead of Spfile?

Edit the resulting PFILE with a text editor. Shutdown and startup the database with the PFILE option: STARTUP PFILE=filename. Recreate the SPFILE with: CREATE SPFILE=’spfilename’ FROM PFILE=’pfilename’; On the next startup, use STARTUP without the PFILE parameter and the new SPFILE will be used.

How do I create a pfile from ASM Spfile?

How to move spfile from ASM to filesystem

1. Create pfile from the spfile. First, we will create pfile in filesystem from the existing spfile in ASM.
2. Remove the spfile from ASM. We can now connect the the ASM instance and remove the spfile residing in ASM disk group.
3. Recreate the spfile.
4. Start the database using new spfile.

How do I start Spfile?

Migrating to spfile from a pfile consists of 2 steps:

1. Create the spfile from the existing pfile using: SQL> CREATE SPFILE FROM PFILE=’d:\init. ora’; File created.
2. Restart the database to start using the newly created spfile. SQL> STARTUP ORACLE instance started.

Is Oracle using Pfile or Spfile?

By default, if you do not specify PFILE in your STARTUP command, Oracle will use server parameter file (SPFILE). If you choose to use the traditional text initialization parameter file (PFILE), you must specify the PFILE clause when issuing the STARTUP command.

How do I add Spfile to ASM?

To create an SPFILE in a disk group, perform the following steps:

1. Connect to the Oracle ASM instance. For example: $ sqlplus / as sysasm.
2. Create an SPFILE in a disk group that has COMPATIBLE.
3. Restart the Oracle ASM instance so that the instance reads the SPFILE in the new location.

What is difference between Spfile and Pfile?

SPFILE is a binary file that contains the same information as the old PFILE. SPFILE permits dynamic changes without requiring you to restart that instance. By default, if you do not specify PFILE in your STARTUP command, Oracle will use server parameter file (SPFILE).

How can I tell if Oracle started with Pfile or Spfile?

There are couple of ways of finding if the database was started with spfile or pfile. One way would be tell show the check the value of parameter spfile, if it returns blank then database was started by pfile.

Can we create pfile from Spfile or vice versa when the database is down?

We can create pfile from the spfile of an instance which is currently shut down. SQL> create pfile from spfile; File created.

How do I start ASM instance with Pfile?

Starting Up an Oracle ASM instance with an Incorrect SPFILE Path

1. Create a PFILE with one line in it that identifies the path to the SPFILE.
2. Start up the instance using the initialization parameter file.
3. After the instance is running, use the ASMCMD spset command to update the SPFILE path in the GPnP profile.

How to create spfile from pfile in SQL?

If the time comes that you must put the SPFILE back into place, you can do so with this command: SQL> create spfile from pfile=/path/to/backup.ora. If your database is currently running using the SPFILE, be sure to shut down first so Oracle can replace the file.

What’s the difference between a pfile and a spfile?

Remember that a PFILE is simply a text based file, which means you can copy it to another directory without affecting the Oracle instance. This is the easiest way to backup a PFILE. To back up an SPFILE, you will first want to convert it to a PFILE.

What are the parameters in a pfile file?

The PFILE is a text-based file, and the?init.ora? file has been around for over a decade. Inside the PFILE are a number of database settings called parameters. These parameters help the Oracle programs know how to start.

How to create a pfile from a backup in SQL?

SQL> create pfile=/path/to/backup.ora from spfile; If the time comes that you must put the SPFILE back into place, you can do so with this command: SQL> create spfile from pfile=/path/to/backup.ora If your database is currently running using the SPFILE, be sure to shut down first so Oracle can replace the file.