From owner-freebsd-questions@FreeBSD.ORG  Thu Jun  7 22:31:47 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 F28EA106566B
	for <freebsd-questions@freebsd.org>;
	Thu,  7 Jun 2012 22:31:47 +0000 (UTC)
	(envelope-from bah@bananmonarki.se)
Received: from feeder.usenet4all.se (1-1-1-38a.far.sth.bostream.se
	[82.182.32.53]) by mx1.freebsd.org (Postfix) with ESMTP id 6BA9D8FC1F
	for <freebsd-questions@freebsd.org>;
	Thu,  7 Jun 2012 22:31:46 +0000 (UTC)
Received: from kw.news4all.se (c80-217-70-175.bredband.comhem.se
	[80.217.70.175])
	by feeder.usenet4all.se (8.13.1/8.13.1) with ESMTP id q57MUP5Q008485;
	Fri, 8 Jun 2012 00:30:27 +0200 (CEST)
	(envelope-from bah@bananmonarki.se)
Message-ID: <4FD12B27.4030601@bananmonarki.se>
Date: Fri, 08 Jun 2012 00:28:55 +0200
From: Bernt Hansson <bah@bananmonarki.se>
User-Agent: Mozilla/5.0 (X11; FreeBSD i386;
	rv:10.0.3) Gecko/20120411 Thunderbird/10.0.3
MIME-Version: 1.0
To: freebsd@dreamchaser.org
References: <4FD1098E.7020203@dreamchaser.org>
In-Reply-To: <4FD1098E.7020203@dreamchaser.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject: Re: dumping file system subtree (/var)
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: Thu, 07 Jun 2012 22:31:48 -0000

2012-06-07 22:05, Gary Aitken skrev:
> When I originally set up my SSD, the stuff I was following indicated there was no need to put anythng on a separate filesystem.  I'm now trying to build a backup system on a usb drive and I want a separate /var and /tmp.
>
> I had originally set the nodump flag on /tmp and /var, so my snapshot is empty for those.
>
> I don't think there's any reason to preserve /tmp, but is there any good way to copy /var from the running system on the SSD to another filesystem (and still preserve everything, including flags)?  My impression is both mksnap_ffs and dump should only be used on a complete filesystem, not a subtree.
>
> Or do I need to unset the nodump flag on /var, make a snapshot of /, take a dump :-), and then split the /var out upon restore?
>
> And would it be wise to repartition the SSD to put /var and /tmp on their own partitions?


http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#NEW-HUGE-DISK