From owner-freebsd-questions@FreeBSD.ORG  Sun Feb 27 03:49:56 2011
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id B807F1065672
	for <freebsd-questions@freebsd.org>;
	Sun, 27 Feb 2011 03:49:56 +0000 (UTC)
	(envelope-from ipfreak@yahoo.com)
Received: from web130210.mail.mud.yahoo.com (web130210.mail.mud.yahoo.com
	[66.94.238.157]) by mx1.freebsd.org (Postfix) with SMTP id 796098FC0A
	for <freebsd-questions@freebsd.org>;
	Sun, 27 Feb 2011 03:49:56 +0000 (UTC)
Received: (qmail 50702 invoked by uid 60001); 27 Feb 2011 03:23:14 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024;
	t=1298776994; bh=gBGKlXtSZttgY7SuiQ8lX3Bh4LmB/PcpH/2SXR0ATL8=;
	h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type;
	b=Wf92MNxpu2YZz7AX9eHbbyfTXj71mMDA9bTg1cteB7o18DXc6sRLfccyzuP1L+oMLonOTB2Q4AMV9k3K4VzrxrZmB3je0/Xnd4BG7VhLAY9Gh0ARC6rdq549gWOwaN66y0pelkniFw9iiOqp50eNL6YaxsJQXuO+8SJQZwPykyo=
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com;
	h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type;
	b=jaZSLc+P4+ZO9UCoVF5ASJYtzYr5OEzfpxHQTnzGx/libgkEqBHEQXQOx5XLIDtclO04/wcmOY1ITXYhsmpJBrbIYqH75PqwrIgrVwpTmbI6qchiMtUuAbSHR8tFybFqBq3xgiRoywkp/G+n9oZpsqKGotRs9tz38GqQtki3eec=;
Message-ID: <336353.49813.qm@web130210.mail.mud.yahoo.com>
X-YMail-OSG: 4W1xEokVM1mqa4k2NNRkfcBdWZzJNRhXIqJlxFxcgdTZhsK
	cyAPKmJyao3SJ51cfT8Zf_.7dKXFy8_I7ZiL5KyuiuXqtVGBktxYXk51m6ea
	B4khr5NBrnjjucvjy412v2ZJxk0QTAMTGn2Uk31cghNXH6BY6FM3gdyqCutO
	1wUWFPNl17FwTu0AtEkwiUV71d1zPPRgXJDsYIlJqW1Y.htaCW_WNJsRyErj
	dgxOXJryjEXv9SmXER9GH7n5CkIaCocP7hUb2oWHyjfoLLRYSuKEzoXV6vD8
	kt_HfjOk0Zkxz8QuGAmzztYW2ng4RvgdscuWy5OtmziB52ORr9ZQDvUaTJvc
	MrZcZvqc3X1GcqqoGNUs_FnaiNn04IsRKC9BBsy7kvL2YqEs6_YecKvhWu5g
	Y7NnJQE8qfCCR
Received: from [173.71.213.12] by web130210.mail.mud.yahoo.com via HTTP;
	Sat, 26 Feb 2011 19:23:14 PST
X-Mailer: YahooMailClassic/11.4.20 YahooMailWebService/0.8.109.292656
Date: Sat, 26 Feb 2011 19:23:14 -0800 (PST)
From: gahn <ipfreak@yahoo.com>
To: freebsd general questions <freebsd-questions@freebsd.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Subject: usb portable drive (ntfs) issues
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 27 Feb 2011 03:49:56 -0000

hi all gurus:

for usb external drive, i followed the handbook:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/usb-disks.html

but i have some problems for mounting a portable usb external drive:

1) when i plugged in, /dev/da0s1 appears:

ip@hotty:/var/log:$ ls -al /dev/da0s1
crw-r-----  1 root  operator    0, 108 Feb 26 22:05 /dev/da0s1

but i can't mount it:

hotty# mount -t  mdntfs /dev/da0s1 /mnt/mlu
mount: /dev/da0s1 : Operation not supported by device

2) after i rebooted the system, even the usb external drive is still plugged in, but it disappears from the freebsd system:
            
ip@hotty:$ ls -al /dev/da0s1
ls: /dev/da0s1: No such file or directory

how could i fix this?

thanks in advance