From owner-freebsd-virtualization@freebsd.org Sun Dec 20 08:57:59 2015 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7E572A4C979 for ; Sun, 20 Dec 2015 08:57:59 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from elsa.codelab.cz (elsa.codelab.cz [94.124.105.4]) (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 43B2B121F for ; Sun, 20 Dec 2015 08:57:58 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from elsa.codelab.cz (localhost [127.0.0.1]) by elsa.codelab.cz (Postfix) with ESMTP id E330728422; Sun, 20 Dec 2015 09:57:56 +0100 (CET) Received: from illbsd.quip.test (ip-86-49-16-209.net.upcbroadband.cz [86.49.16.209]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by elsa.codelab.cz (Postfix) with ESMTPSA id E47EA28412; Sun, 20 Dec 2015 09:57:55 +0100 (CET) Message-ID: <56766D93.9030808@quip.cz> Date: Sun, 20 Dec 2015 09:57:55 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:35.0) Gecko/20100101 Firefox/35.0 SeaMonkey/2.32 MIME-Version: 1.0 To: Peter Ross , freebsd-virtualization@freebsd.org Subject: Re: available hypervisors in FreeBSD References: <551BC8B3.2030900@bestsolution.at> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Dec 2015 08:57:59 -0000 Peter Ross wrote on 12/20/2015 09:15: > Hi all, > > I read through an older threat I kept in my archive. It started like this: > > On Wed, 1 Apr 2015, Udo Rader wrote: > >> As far as my homework digging revealed, FreeBSD supports four >> hypervisors: >> >> * bhyve >> * KVM >> * QEMU >> * VirtualBox > > .. and later Xen was mentioned. > > I ask myself which of the solutions are most mature at the moment and > immediately usable in production. > > Reason is a potential company move from VMware ESXi/Centos(6/7) with > some critical Windows 2008 and 2012 IIS/.NET applications) involved. > > While most of open source may go into FreeBSD jails, we have a few > CentOS6/7 boxes with proprietary software we have to keep, as well as > the Windows VMs to maintain (there is a long term effort to move them to > Open Source too but the final migration of all may be years away). > > We may phase out ESXi gradually, or just keep it, depending on the > performance and maturity of FreeBSD based solutions. > > I have experience with Linux on VirtualBox and it worked well if the > load was not high but the performance wasn't too good when under stress > (but it never crashed, I might add). > > Which of the solutions are worth testing? Do you have recommendations? > > I am thinking of server software and "containerisation" only, so USB > passthrough or PCI etc. is not really important. > > Stability, performance and resource utilisation (e.g. possible > over-allocation of RAM) are matter most. VirtualBox is the most usable and you can use it in headless mode. If you are really not satified with VirtualBox, you can try Xen. The other options is not mature enough to run highly loaded Windows in production. (it is just my opinion and somebody else can see it otherwise) Miroslav Lachman