From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 276841381F3 for ; Sun, 16 Dec 2012 18:52:04 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A6877E0693; Sun, 16 Dec 2012 18:51:43 +0000 (UTC) Received: from mout.perfora.net (mout.perfora.net [74.208.4.194]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 853F5E0595 for ; Sun, 16 Dec 2012 18:49:56 +0000 (UTC) Received: from localhost (66-208-231-133.ubr01a.rte20201.pa.hfc.comcastbusiness.net [66.208.231.133]) by mrelay.perfora.net (node=mrus2) with ESMTP (Nemesis) id 0MEnze-1Tumc73sAE-00GPMX; Sun, 16 Dec 2012 13:49:55 -0500 Date: Sun, 16 Dec 2012 12:49:53 -0600 From: Bruce Hill To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: Anyone switched to eudev yet? Message-ID: <20121216184953.GD16560@server> References: <50CB1942.3020900@gmail.com> <50CB4A3C.1030109@gmail.com> <50CB5406.7040404@gmail.com> <8738z7hgsa.fsf@ist.utl.pt> <20121216171043.71084070@khamul.example.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121216171043.71084070@khamul.example.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Provags-ID: V02:K0:OM9iGSIT0Bw9NkOriGnU8fktNgOZ0+wzp9/fab7zMSx av6461gHqorm9/YK1jCDf9a/wJcVA47DBbAPrMDomQO9jU3KsG J5fCczl6B/dUUOfNfhHeK8L/rHsWSIdzjGdNVwyioa2r0IVFeM X9Vt2Bhe9lWv2Se8B5LglQAWgyQjppveINcJfdAw7KHN8PEvqv Y2fivb9ypbcbQPe83c8zj6u+NUjkaR1KWP44hY1dWDp/wXvmqy ewB6alucw44Joz/6EKzrkh+0BrwIJmpb4DCPYWwHoNVuR0KLcU wvruxFKUgicURzVGbPz9VawhpLlE859vTzL+nIjJQiyxW8moAf wXJqE660hB9uO9WqSzNCmosTimJ0XTMdedGDP2ALl X-Archives-Salt: 5eb1b390-e79f-4de3-ba3d-7b89b3d0a118 X-Archives-Hash: 8cad5e3701cfe8d1a8eff3d99b9523f2 On Sun, Dec 16, 2012 at 05:10:43PM +0200, Alan McKinnon wrote: > > That was the original reason for having / and /usr separate, and it > dates back to the early 70s. The other reason that stems from that time > period is the size of disks we had back then - they were tiny and often > a minimal / was all that could really fit on the primary system drive. > > Gradually over time this setup became the norm and people started to > depend on it, and more importantly, started to believe it was important > to retain it. It's their right to believe that. > > Recently I decided to measure if I still needed a separate /usr (I was > a long time advocate of retaining it). I'm in the lucky position of > having ~200 Linux machines, all distinctly different, at my disposal, > so I trawled through memory and incident logs looking for cases where a > separate /usr was crucial to recovery after any form of error. To my > surprise, I found none at all and those logs go back 5 years. > > So I got to change my mind (not something I do very often I admit) and > concluded that separate base and user systems (/ and /usr) was no > longer something I needed to do - the "system" - disks, hardware and > the software on the disks - was very reliable, and what I really needed > was ability to boot from USB rescue disks. I did find, not > unsurprisingly, that I also really needed /usr/local on a separate > partition but that's because of how we install our in-house software > here, plus our backup policies. > > It also goes without saying that these days we > need /home, /var, /var/log and /tmp to all be on their own filesystem, > and we need that more than ever. > > I thought I should just toss that in the ring for people who are > undecided where they stand on the debate of separate / vs /usr. It's > what I found on our production, dev and staging servers, plus a whole > lot of people's personal workstations (sysadmins and devs). The > environment is a large corporate ISP that defies categorization, we > almost have at least one of every imaginable use-case for running on > Linux except something in the Top 100 SuperComputer list. I reckon it's > about as representative as I'm ever gonna see. > > People are free to draw their own conclusions as always, and real data > is valuable in arriving at those conclusions. YMMV. Thanks for sharing your experience, and not just your emotions. One of my favorite quotes is, "A man with an experience is not subject to a man with an argument." -- Happy Penguin Computers >') 126 Fenco Drive ( \ Tupelo, MS 38801 ^^ support@happypenguincomputers.com 662-269-2706 662-205-6424 http://happypenguincomputers.com/ Don't top-post: http://en.wikipedia.org/wiki/Top_post#Top-posting