Contributing

How do I find my Spfile?

How do I find my Spfile?

The server parameter file (SPFILE) is created from the initialization response file, then the initialization response file is renamed. The SPFILE file name is spfile SID . ora and is located in the ORACLE_HOME \database directory.

Can we read Spfile in Oracle?

The Oracle spfile is a binary representation of the text-based init. ora file. By default, a new Oracle9i database will be working on a pfile, so the spfile must be created from the pfile at the SQL prompt. The spfile is created using the CREATE SPFILE statement; this requires connecting as SYSDBA.

How do I read ASM Spfile?

Overview – steps to read an ASM Spfile

1. Use Pnp play tool: gpnptool getpval -asm_dis to read ASM disk discovery path.
2. Scan all available ASM disk header to find ASM disks having a spfile reference.
3. Read the related block and dump the SPfile entries.

How can I tell if Oracle is using Pfile or Spfile?

We can learn the parameter file in which the database is opened by querying the spfile and pfile parameter value. If both the spfile and the pfile file exist under the $ORACLE_HOME/dbs directory, the database will automatically open with the spfile if no parameter file is specified during startup.

How do I change the Spfile location in Oracle 12c?

Generally, we don’t change SPFILE location of a single-instance database, because it should be found in the default location, $ORACLE_HOME/dbs/spfile$ORACLE_SID….Here are the steps to change SPFILE location:

1. Backup Original SPFILE.
2. Create SPFILE in New Location.
3. Point to New SPFILE in PFILE.

Where is Spfile located ASM?

You can check the location of the Oracle ASM SPFILE in the GPnP profile with the ASMCMD spget command. See “spget”. Restart the Oracle ASM instance so that the instance reads the SPFILE in the new location.

Where can I find Pfile in Oracle?

Where is Oracle PFILE Location

1. Find Location of PFILE. The PFILE is usually $ORACLE_HOME/dbs/init$ORACLE_SID.ora in Linux by default.
2. Solution. It seems to be a dead end.
3. How to Create SPFILE. If your database is running but no SPFILE is found, you can create the file from the run-time configuration of current instance.

What is Oracle Spfile?

SPFILE. A SPFILE, Server Parameter File, is a server managed binary file that Oracle uses to hold persistent initialization parameters. If a parameter is changed using the ALTER SYSTEM SET command Oracle will apply this parameter change to the current SPFILE.

How do I recreate ASM Spfile?

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 copy a Spfile?

Making a Back Up Copy of an Oracle ASM SPFILE in a Disk Group

1. Locate the Oracle ASM SPFILE using the ASMCMD spget command.
2. Copy the Oracle ASM SPFILE to another disk group with spcopy command.
3. List all the copies of the Oracle ASM SPFILE file contained in the FRA disk group using the ASMCMD ls command.

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 move 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.

What does spfile stand for in Oracle help?

With the help, PFILE Oracle server start an Oracle Instance. What is SPFILE? SPFILE stands for the server parameter file. It is a binary file which can not be modified by a text editor.

How to find spfile location in Oracle RAC?

1. By using SqlPlus 2. By using ASMCMD find command 3. By using spget command 4. By using crsctl command 5. By using gpnp tool Note: mostly used when ASM is not up. 6. From alert.log

What does pfile stand for in Oracle help?

PFILE stands for the parameter file. It is a text file which can be modified by a text editor. With the help, PFILE Oracle server start an Oracle Instance. What is SPFILE? SPFILE stands for the server parameter file. It is a binary file which can not be modified by a text editor. It is created from PFILE.

Where is my Oracle ASM instance spfile?

Oracle ASM spfile is stored in /ASM/asmparameterfile/ directory. I guess the directory is hidden because we can’t see it using ASMCMD. More details at Aychin’s article. Loading… You are commenting using your WordPress.com account.