From owner-freebsd-current@FreeBSD.ORG Mon May 21 19:55:02 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9A7C21065670 for ; Mon, 21 May 2012 19:55:02 +0000 (UTC) (envelope-from rainer@ultra-secure.de) Received: from mail.ultra-secure.de (mail.ultra-secure.de [78.47.114.122]) by mx1.freebsd.org (Postfix) with ESMTP id D3ED38FC0C for ; Mon, 21 May 2012 19:55:01 +0000 (UTC) Received: (qmail 64108 invoked by uid 89); 21 May 2012 19:53:53 -0000 Received: by simscan 1.4.0 ppid: 64103, pid: 64105, t: 0.0869s scanners: attach: 1.4.0 clamav: 0.97.3/m:54/d:14944 Received: from unknown (HELO linux-wb36.example.org) (rainer@ultra-secure.de@212.71.117.83) by mail.ultra-secure.de with ESMTPA; 21 May 2012 19:53:53 -0000 Date: Mon, 21 May 2012 21:53:47 +0200 From: Rainer Duffner Cc: freebsd-current@freebsd.org Message-ID: <20120521215347.3b19cddd@linux-wb36.example.org> In-Reply-To: <20120521184739.GA22790@mule.podro.com> References: <20120520170702.GY22790@mule.podro.com> <1120936952.633013.1337546532026.JavaMail.root@erie.cs.uoguelph.ca> <20120521035323.GZ22790@mule.podro.com> <868vglud1e.fsf@ds4.des.no> <20120521184739.GA22790@mule.podro.com> X-Mailer: Claws Mail 3.7.10 (GTK+ 2.24.7; i586-suse-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: FreeBSD 10 prognostication... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 May 2012 19:55:02 -0000 Am Mon, 21 May 2012 13:47:39 -0500 schrieb Jamie : > On Mon, May 21, 2012 at 10:57:33AM +0200, Dag-Erling Sm??rgrav wrote: > > No, they're not. VMWare, RHEV (KVM-based) etc. provide features > > such as seamless migration of virtual machines from one physical > > machine to another, automatic restart on a different physical > > server if one fails etc. that simply aren't possible with jails; > > and there are certain things you still can't run reliably / safely > > in jails - anything that relies on SysV IPC, for instance, such as > > PostgreSQL. > > True about the SysV, and I mostly agree about automatic failover. > > But I think the FreeBSD jail system is still the better model for how > I see these things being used (certainly the better *potential*). But > yea, not "quite" cloud. > > When coupled with something like rsync, they *almost* do the job. And > for a lot of the current "VPS" applications, they do the job. Yeah, but the VPS-systems (OpenVZ, Virtuozzo) do the job, too. And for those who want the VPS-model without actually running Linux, there's Joyent's Cloud (public/private) - that can run KVM, too. AFAIK, KVM being slow means you don't have enough I/O.