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<title>Server Parameter File (SPFILE)</title>

<h1>Server Parameter File (SPFILE)</h1>

<p>Use this page to specify a server parameter file (SPFILE) when you are upgrading 
  an Oracle Real Application Clusters (Oracle RAC) database or when you are upgrading a database that uses 
  raw devices to store the database files.</p>
<h2>About SPFILE</h2>
<p>The purpose of SPFILE is similar to client-side init.ora files. However, SPFILE 
  is a binary file stored on the server. Using SPFILE enables you to start a database 
  from any node that is a member of the cluster database without having a local 
  copy of an initialization parameter file. SPFILE also improves database performance because 
  parameter setting changes made by Oracle Enterprise Manager and internal self 
  tuning mechanisms persist across shutdowns. Oracle strongly recommends using 
  SPFILE for storing database parameter settings.</p>
<p>For more information about using SPFILE, see the <em>Oracle Database Administrator's 
  Guide</em>. </p>
<h2>Specifying the Filename and Size</h2>
<p>To use a server parameter file:</p>
<ol>
  <li> 
    <p>Select <strong>Use server parameter file (SPFILE)</strong>. </p>
  </li>
  <li> 
    <p>Enter the complete path to the raw device in the <strong>Filename</strong> 
      field.</p>
  
  <p>For example:</p>
  <p><code>/dev/vx/rdsk/oracle_dg/clustdb_raw_spfile_5m</code></p>

<p>Note that the SPFILE device must be at least 5 MB in size. </p>
  <p>For more information about using SPFILE with Oracle RAC, 
    as well as for information about setting up raw devices, refer to the <em>Oracle Real Application Clusters Administration and Deployment Guide</em>. </p>
</li>
</ol>
<h2>Related Topics </h2>
<p> <a href="migrationWhat_Is_Oracle_Data_Migration_Assistant.html">Overview of the Database Upgrade Assistant</a> </p>
<P CLASS="zz-legal-notice">Copyright &copy; 1996, 2009, Oracle and/or its affiliates. All rights reserved.<BR> Oracle is a registered trademark of Oracle Corporation and/or its affiliates. <BR>Other names may be trademarks of their respective owners.</p>
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