How to Diagnose and Fix the ORA-00285 Invalid INITRANS Option Value Error in Oracle

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If you are encountering the ORA-00285 error in Oracle, it means that the INITRANS option value specified for a tablespace or data file is invalid. This error can occur when attempting to create or alter a tablespace or data file. To diagnose and fix this issue, follow the steps below.

Diagnosing the ORA-00285 Error

When you encounter the ORA-00285 error, the first step is to identify the tablespace or data file that is causing the issue. You can do this by checking the alert log for the specific error message and the associated object.

Additionally, you can use the following query to identify the tablespace or data file with the invalid INITRANS option value:

SELECT tablespace_name, file_name
FROM dba_data_files
WHERE tablespace_name = 'YOUR_TABLESPACE_NAME';

Replace ‘YOUR_TABLESPACE_NAME’ with the actual name of the tablespace causing the error.

Fixing the ORA-00285 Error

Once you have identified the tablespace or data file causing the error, you can fix the issue by altering the INITRANS option value for the affected object. You can use the following SQL statement to alter the INITRANS value:

ALTER TABLESPACE YOUR_TABLESPACE_NAME
DEFAULT STORAGE (INITIAL INITRANS=NEW_VALUE);

Replace ‘YOUR_TABLESPACE_NAME’ with the actual name of the tablespace and ‘NEW_VALUE’ with the desired value for INITRANS.

If the error is related to a data file, you can use the following SQL statement to alter the INITRANS value:

ALTER DATABASE DATAFILE 'YOUR_DATAFILE_PATH'
DEFAULT STORAGE (INITIAL INITRANS=NEW_VALUE);

Replace ‘YOUR_DATAFILE_PATH’ with the actual path of the data file and ‘NEW_VALUE’ with the desired value for INITRANS.

Additional Considerations

It’s important to note that altering the INITRANS value for a tablespace or data file may impact the performance and concurrency of the associated objects. Therefore, it’s recommended to consult the Oracle documentation and consider the specific requirements and workload of your database before making any changes.

Additionally, if you continue to encounter the ORA-00285 error after altering the INITRANS value, consider reaching out to Oracle Support for further assistance.

By following these steps, you can diagnose and fix the ORA-00285 error in Oracle, ensuring the optimal performance and stability of your database.

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