From owner-freebsd-questions@FreeBSD.ORG Sun Jul 13 23:14:58 2014 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id EE024647 for ; Sun, 13 Jul 2014 23:14:58 +0000 (UTC) Received: from alogt.com (alogt.com [69.36.191.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id BFA852231 for ; Sun, 13 Jul 2014 23:14:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alogt.com; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date; bh=D79RjceO4oztQEj6fzDUWXE5qGDIsV+bCUT4ODndLkI=; b=Dpj3LK/qpxQFW9jij9TjQXUKgRk3gCMmNwXw2P30TfOgXduvqz7mDwqRpvAPOS2hjNdyNlAE9o6QMxCnDxuGurrLfEC1hs9GWRsV+qHQRkIDCAFee+wAqPh+xOWTVSM80kPbeJywhHFpQ1ol+CbJudkcRdILfQPtg8H3naMyNS4=; Received: from [114.121.163.143] (port=53672 helo=X220.alogt.com) by sl-508-2.slc.westdc.net with esmtpsa (SSLv3:DHE-RSA-AES128-SHA:128) (Exim 4.82) (envelope-from ) id 1X6Syo-003mv0-Lf; Sun, 13 Jul 2014 17:14:51 -0600 Date: Mon, 14 Jul 2014 07:14:43 +0800 From: Erich Dollansky To: "Michael W. Lucas" Subject: Re: deciding UFS vs ZFS Message-ID: <20140714071443.42f615c5@X220.alogt.com> In-Reply-To: <20140713190308.GA9678@bewilderbeast.blackhelicopters.org> References: <20140713190308.GA9678@bewilderbeast.blackhelicopters.org> X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - sl-508-2.slc.westdc.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - alogt.com X-Get-Message-Sender-Via: sl-508-2.slc.westdc.net: authenticated_id: erichsfreebsdlist@alogt.com X-Source: X-Source-Args: X-Source-Dir: Cc: questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Jul 2014 23:14:59 -0000 Hi, use UFS as long as you are working with a single disk and ZFS the moment you have more than one disk. Erich On Sun, 13 Jul 2014 15:03:08 -0400 "Michael W. Lucas" wrote: > Hi, > > We have two 'big' filesystems, UFS and ZFS. How do people decide when > to use which? I'm trying to build a "decision matrix" of when to use > each. > > My virtualization system runs KVM, so I use UFS on VMs. Restoring > ZFS disk images via dd can be problematic. > > For larger boxes running on real iron, I use ZFS. > > But there's a whole range of conditions between these two. And the way > to fill in the gray spaces is to ask. > > So, how do you decide to use which filesystem? > > ==ml >