;log_verify()</code> method returns DB_LOG_VERIFY_BAD when either log errors 
         are detected or the internal data storage layer does not work. 
         It returns EINVAL if you specify wrong configurations.

         Unless otherwise specified, the <code class="methodname">DB_ENV-&gt;log_verify()</code> 
         <span>
            <span>
                  method returns a non-zero error value on failure and 0 on success.
            </span>
            
        </span>
    </p>
      <div class="se