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Troubleshooting SPFILEs and PFILEs (Doc ID 293698.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.8 to 11.2.0.4 [Release 9.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 21-Jul-2017***

Purpose

Prior to Oracle9i, Oracle instances were always started using a text initialization parameter file or init<SID>.ora, also referred to as a PFILE(Parameter File). Starting in Oracle9i, Oracle introduced a server parameter file or 'SPFILE', which is a binary file stored on the database server. Changes applied to the instance parameters may be persistent accross all startup/shutdown procedures. From Oracle 9i onwards, you can start up the instance using either an spfile or an init.ora/pfile. 

This document provides links that address the following:

   1. Starting up with an SPFILE or PFILE
   2. Manipulating SPFILE contents with the ALTER SYSTEM Command
   3. Creating an SPFILE and/or PFILE
   4. Miscellaneous Issues/Errors using SPFILE
        - Recovering from loss/manual modification of SPFILE
        - Windows specific documents
        - Miscellaneous Issues


Troubleshooting Steps

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