From owner-freebsd-fs@FreeBSD.ORG Tue Feb 28 05:08:53 2012 Return-Path: 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 B816B106566C for ; Tue, 28 Feb 2012 05:08:53 +0000 (UTC) (envelope-from lstewart@freebsd.org) Received: from lauren.room52.net (lauren.room52.net [210.50.193.198]) by mx1.freebsd.org (Postfix) with ESMTP id 79A298FC0C for ; Tue, 28 Feb 2012 05:08:53 +0000 (UTC) Received: from lstewart.caia.swin.edu.au (lstewart.caia.swin.edu.au [136.186.229.95]) by lauren.room52.net (Postfix) with ESMTPSA id 7635B7E820; Tue, 28 Feb 2012 15:49:15 +1100 (EST) Message-ID: <4F4C5CCB.3050806@freebsd.org> Date: Tue, 28 Feb 2012 15:49:15 +1100 From: Lawrence Stewart User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:10.0) Gecko/20120208 Thunderbird/10.0 MIME-Version: 1.0 To: Kamil Choudhury References: <3CEE2DA4348D944399A67E308B78D38A1A57CABA@janus.anserinae.net> In-Reply-To: <3CEE2DA4348D944399A67E308B78D38A1A57CABA@janus.anserinae.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=unavailable version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on lauren.room52.net Cc: "freebsd-fs@freebsd.org" Subject: Re: Distributed, snapshotting, checksumming filesystems for FreeBSD X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Feb 2012 05:08:53 -0000 On 02/25/12 15:37, Kamil Choudhury wrote: > The dream: a file system spread out over a variable, > ever increasing number of hosts, presenting a single > unified file system to any client host mounting the > file system. > >> From the client's point of view, it is possible to > snapshot the directory view that is presented. The > client also has confidence that data written to the > file system will be returned exactly as it went in. > > Now that I think about it, what I seem to be looking > for is a network aware ZFS that uses hosts as vdevs. > > Is there such a thing out there? AFS perhaps? http://en.wikipedia.org/wiki/OpenAFS http://en.wikipedia.org/wiki/Andrew_File_System /usr/ports/net/openafs Cheers, Lawrence