From owner-freebsd-fs@FreeBSD.ORG  Wed Jun  1 01:12:06 2011
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 37831106566C
	for <freebsd-fs@freebsd.org>; Wed,  1 Jun 2011 01:12:06 +0000 (UTC)
	(envelope-from bfriesen@simple.dallas.tx.us)
Received: from blade.simplesystems.org (blade.simplesystems.org [65.66.246.74])
	by mx1.freebsd.org (Postfix) with ESMTP id F2B838FC1C
	for <freebsd-fs@freebsd.org>; Wed,  1 Jun 2011 01:12:05 +0000 (UTC)
Received: from freddy.simplesystems.org (freddy.simplesystems.org
	[65.66.246.65])
	by blade.simplesystems.org (8.14.4+Sun/8.14.4) with ESMTP id
	p511C4Mr001830; Tue, 31 May 2011 20:12:04 -0500 (CDT)
Date: Tue, 31 May 2011 20:12:04 -0500 (CDT)
From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
X-X-Sender: bfriesen@freddy.simplesystems.org
To: Jeremy Chadwick <freebsd@jdc.parodius.com>
In-Reply-To: <20110601005219.GA11776@icarus.home.lan>
Message-ID: <alpine.GSO.2.01.1105312010030.20825@freddy.simplesystems.org>
References: <FFD730CF-2454-4A07-BA26-0C3B7257780E@itassistans.se>
	<20110601005219.GA11776@icarus.home.lan>
User-Agent: Alpine 2.01 (GSO 1266 2009-07-14)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.2
	(blade.simplesystems.org [65.66.246.90]);
	Tue, 31 May 2011 20:12:04 -0500 (CDT)
Cc: freebsd-fs@freebsd.org
Subject: Re: Storing revisions of large files using ZFS snapshots
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Jun 2011 01:12:06 -0000

On Tue, 31 May 2011, Jeremy Chadwick wrote:
>
> We've found that in most cases, a user will overwrite or rm a file which
> they didn't mean to and wish to restore just that file.  They need to do
> so quickly and easily.  ZFS and UFS snapshots don't make this easy for
> them to accomplish (ZFS is easier than UFS in this regard, absolutely).

It seems easy enough to restore the file from .zfs/snapshot.  If users 
find this too difficult, then a small shell script or GUI program can 
make it easy.

The main annoyance with restoring the file from .zfs/snapshot is that 
restoring the files in this way may consume more disk space.

Bob
-- 
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/