From owner-freebsd-questions@FreeBSD.ORG Sun Dec 7 08:40:37 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C383D759 for ; Sun, 7 Dec 2014 08:40:37 +0000 (UTC) Received: from sender1.zohomail.com (sender1.zohomail.com [74.201.84.156]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A0CA6359 for ; Sun, 7 Dec 2014 08:40:37 +0000 (UTC) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=message-id:subject:from:to:date:in-reply-to:references:content-type:mime-version; b=tlPBbJQVozbuopsJkWmP8vjBrwtRBCjm5+/FJHUKiDMWMgHDleWZS9T8bG6oX0BVEptVW5I8duR1 9LIb32zMzXqtD13bMWpYt8gJpztNpQWNTMCgpAQkSp1+PA+Q7fiM Received: from [10.1.2.6] (46.229.54.117 [46.229.54.117]) by mx.zohomail.com with SMTPS id 1417941628213237.7671597182349; Sun, 7 Dec 2014 00:40:28 -0800 (PST) Message-ID: <1417941614.17411.1.camel@zoho.com> Subject: Re: FreeBSD working from RAM (MFSROOT) as a Workstation. From: clutton To: freebsd-questions@freebsd.org Date: Sun, 07 Dec 2014 10:40:14 +0200 In-Reply-To: <1417753488.2773.1.camel@zoho.com> References: <1417734458.1772.1.camel@zoho.com> <20141205014616.da37661a.freebsd@edvax.de> <54812A0A.6080105@yahoo.com> <1417753488.2773.1.camel@zoho.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.7 FreeBSD GNOME Team Port Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-ZohoMail: Ss SS_10 UW UB ZCF-710TPL UW UB SF_TD_EXT SGR3_1_27114_351 X-ZohoMail-Owner: <1417941614.17411.1.camel@zoho.com>+zmo_0_ X-ZohoMail-Sender: 46.229.54.117 X-Zoho-Virus-Status: 2 X-ZohoMailClient: External X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Dec 2014 08:40:38 -0000 So after some experiments I'm off. I was interested because one of my friend from ISP guys did this with his linux. The reason to discard this approach is having to maintain two copies of data. My friend somehow has 64G of ram and he syncs the data from working ram to hd before reboot. There are no simple way to do this on FreeBSD. You have to cook your image manually. Booting from image is not a long process, but even the gzipping the cooked image back will take a while. So, I'm probably will remain using zfs. With this it works pretty fast anyway: vfs.zfs.arc_min=1073741824 # 1GB vfs.zfs.arc_max=4294967296 # 4GB vfs.zfs.arc_meta_limit=3221225472 # 3GB On Fri, 2014-12-05 at 06:24 +0200, clutton wrote: > I'm going to try. Will post the results here. > > First I'll try on one of my relatively fast machines. The world is > already compiling. :) > > Then if everything is ok on my notebook with 8G RAM. > > On Thu, 2014-12-04 at 22:44 -0500, Paul Pathiakis via freebsd-questions > wrote: > > Hi, > > > > I would be interested in this as well. If no one has done it lately, > > I'd like to work with some people and get this going as well. > > > > I'm sure PXEboot, NFSv4, with a KDE Desktop would be fairly useful with > > about 8GB of RAM and a Gb network. > > > > P. > > > > On 12/04/2014 19:46, Polytropon wrote: > > > On Fri, 05 Dec 2014 01:07:38 +0200, clutton wrote: > > >> Is anyone use a FreeBSD as a Desktop working from RAM, using MFSROOT? > > > Many live systems work that way. For FreeBSD, check out > > > FreeSBIE (sadly discontinued, but probably still available > > > for download; NB: FreeBSD 5 and 6). Programs are loaded > > > from CD (slow), but once they are "buffered" in RAM, things > > > work fine. It would be interesting to see of this > > > bottleneck could be removed by pre-loading as much into > > > RAM as possible, and of course avoiding optical media > > > as load media (instead, using a SSD or at least USB to > > > boot). > > > > > > > > > > > >> As a memory is relatively cheep it can be even faster then ssd. > > > Then check this out: > > > > > > http://www.sandisk.com.br/enterprise/ulltradimm-ssd/ > > > > > > Best of both worlds, and it could make the past come > > > back (cf. AS/400 single-level storage). :-) > > > > > > > > > > > > > > > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"