From owner-freebsd-questions@FreeBSD.ORG Wed Aug 26 13:07:08 2009 Return-Path: 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 DCA2E10656A4 for ; Wed, 26 Aug 2009 13:07:08 +0000 (UTC) (envelope-from glarkin@FreeBSD.org) Received: from mail1.sourcehosting.net (113901-app1.sourcehosting.net [72.32.213.11]) by mx1.freebsd.org (Postfix) with ESMTP id B9EC18FC4D for ; Wed, 26 Aug 2009 13:07:08 +0000 (UTC) Received: from 68-189-245-235.dhcp.oxfr.ma.charter.com ([68.189.245.235] helo=cube.entropy.prv) by mail1.sourcehosting.net with esmtp (Exim 4.69 (FreeBSD)) (envelope-from ) id 1MgIDN-0005yF-Fq; Wed, 26 Aug 2009 09:07:07 -0400 Received: from [127.0.0.1] (fireball.entropy.prv [192.168.1.12]) by cube.entropy.prv (Postfix) with ESMTP id E6A9433A5FC6; Wed, 26 Aug 2009 09:07:00 -0400 (EDT) Message-ID: <4A953372.4000602@FreeBSD.org> Date: Wed, 26 Aug 2009 09:06:58 -0400 From: Greg Larkin Organization: The FreeBSD Project User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: John Almberg References: In-Reply-To: X-Enigmail-Version: 0.96.0 OpenPGP: id=1C940290 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Spam-Score: -0.3 (/) Cc: freebsd-questions@freebsd.org Subject: Re: Can partitions span more than one drive? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: glarkin@FreeBSD.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Aug 2009 13:07:08 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 John Almberg wrote: > Now that I've got my rsnapshot backup server working beautifully, > backing up several servers to a central backup server (I like this a > lot), I have a problem... > > I built my backup server from a machine I had lying around. It has two > 140G hard drives. I dedicated one drive to a /backup partition. > Unfortunately, that is now running at 88% capacity... i.e., only 16G > left... > > Now that I know this approach is going to work, I'm going to run out and > buy a big drive. > > Question: is it possible to just expand my existing /backup partition to > encompass both the current drive and the new drive? I'm guessing not, > since Chapter 8 in "Absolute FreeBSD" says that a partition is part of a > slice, which is part of a physical drive, but maybe some bright person > has come up with an app that overcomes that limitation. > > Thanks: John Hi John, I haven't done much with any of these solutions yet, but I think each one can do what you want, with various pros/cons: Vinum: http://www.freebsd.org/doc/en/books/handbook/vinum-vinum.html RAID0 striping: http://www.freebsdwiki.net/index.php/RAID0,_Software,_How_to_setup ZFS: http://www.freebsd.org/doc/en/books/handbook/filesystems-zfs.html Hope that helps get you started, Greg - -- Greg Larkin http://www.FreeBSD.org/ - The Power To Serve http://www.sourcehosting.net/ - Ready. Set. Code. http://twitter.com/sourcehosting/ - Follow me, follow you -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iD8DBQFKlTNy0sRouByUApARAuIfAKCSSxrcZxS7t4U1dZZOdZ6Taoxs8gCgrLrC BFLKz7VNBHEYTpoTQ25jnm8= =pM8t -----END PGP SIGNATURE-----