From owner-freebsd-questions@FreeBSD.ORG  Mon Nov 19 18:40:07 2012
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
 by hub.freebsd.org (Postfix) with ESMTP id 6B168802
 for <freebsd-questions@freebsd.org>; Mon, 19 Nov 2012 18:40:07 +0000 (UTC)
 (envelope-from freebsd@dreamchaser.org)
Received: from nightmare.dreamchaser.org (nightmare.dreamchaser.org
 [12.32.44.142]) by mx1.freebsd.org (Postfix) with ESMTP id E98188FC1B
 for <freebsd-questions@freebsd.org>; Mon, 19 Nov 2012 18:40:06 +0000 (UTC)
Received: from breakaway.dreamchaser.org (breakaway.dreamchaser.org.
 [12.32.36.73])
 by nightmare.dreamchaser.org (8.13.6/8.13.6) with ESMTP id qAJIe0nE052511
 for <freebsd-questions@freebsd.org>; Mon, 19 Nov 2012 11:40:00 -0700 (MST)
 (envelope-from freebsd@dreamchaser.org)
Message-ID: <50AA7D00.2070300@dreamchaser.org>
Date: Mon, 19 Nov 2012 11:40:00 -0700
From: Gary Aitken <freebsd@dreamchaser.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:16.0) Gecko/20121116 Thunderbird/16.0.2
MIME-Version: 1.0
To: FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject: dump date and use of -r or -R
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2
 (nightmare.dreamchaser.org [12.32.36.65]);
 Mon, 19 Nov 2012 11:40:00 -0700 (MST)
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
Reply-To: freebsd@dreamchaser.org
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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: Mon, 19 Nov 2012 18:40:07 -0000

hmmm...  I used -R when doing a dump, and I see the dump date is 
recorded as 1969.  Does that mean an incremental dump will dump
the whole thing again?

on a related note, if dumping to a file and not a linear media such
as physical tape, is there any real reason to use -r or -R?