 contained within the environment,
        use the
        <a class="xref" href="envdbbackup.html" title="DB_ENV-&gt;dbbackup()">DB_ENV-&gt;dbbackup()</a>
        method.
    </p>
      <p>
        This method's default behavior can be changed by setting backup
        callbacks. See 
        <a class="xref" href="envset_backup_callbacks.html" title="DB_ENV-&gt;set_backup_callbacks()">DB_ENV-&gt;set_backup_callbacks()</a> 
        for more information.  Additional tuning parameters can also be set
        u