From owner-freebsd-questions@FreeBSD.ORG Mon Sep 8 21:37:42 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 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 72D4A411 for ; Mon, 8 Sep 2014 21:37:42 +0000 (UTC) Received: from qmta11.emeryville.ca.mail.comcast.net (qmta11.emeryville.ca.mail.comcast.net [IPv6:2001:558:fe2d:44:76:96:27:211]) by mx1.freebsd.org (Postfix) with ESMTP id 527681FF8 for ; Mon, 8 Sep 2014 21:37:42 +0000 (UTC) Received: from omta07.emeryville.ca.mail.comcast.net ([76.96.30.59]) by qmta11.emeryville.ca.mail.comcast.net with comcast id olT11o0031GXsucABldhrr; Mon, 08 Sep 2014 21:37:41 +0000 Received: from Curly-Sr.dbis.net ([50.183.226.175]) by omta07.emeryville.ca.mail.comcast.net with comcast id oldf1o00F3nhSLa8Uldg7z; Mon, 08 Sep 2014 21:37:40 +0000 Message-ID: <540E21A0.4070103@comcast.net> Date: Mon, 08 Sep 2014 15:37:36 -0600 From: Dave Babb User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: A litmus check request Content-Type: multipart/mixed; boundary="------------080808070105090108060900" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1410212261; bh=zltIGeQxlMGJadM4N+1dRF5t4SajetgtsaomOwqeN2E=; h=Received:Received:Message-ID:Date:From:MIME-Version:To:Subject: Content-Type; b=Kc0gNpf5Y0Ft/REVEeydgH6Lv4bnI5VJzbC5UMUjQDpbldbXIm2N6Wnxtcaa5WkVi 7auAN+05uF9LllZ1gTw3zhCMxpbOkgYoxcPBowrZ43LMoJRsv8Lj/yxVg4ZxNNKymt oStMpjrJZBNBA91BxY4LyakWnkWBc2gpgk6C7nCtDPVKYUQXzhJS72cOXJzt22FHO9 /2YSqdZlo8UgEGteD+N3L221klafiqCitPLIj2+9ZARAdUwijIVg7XHjDg/oAS86o4 m830Vf0j7K0zC0FxR+P+rMa1ziiuTbA+a+984RLomWsl6M76dMyTM5XgIQNDvkEz/d Kec8KUv9ImTQA== X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 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: Mon, 08 Sep 2014 21:37:42 -0000 This is a multi-part message in MIME format. --------------080808070105090108060900 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit I am about to do a lot of compiling. My copy of FreeBSD10.0 x64 P7 runs on a 1TB Samsung EVO. I used wblock's excellent articles to set it all up so that trim was utilized. I am asking that someone please review this attached fstab and validate for me, that at no time will any compilation intermediate files, or ".o" files will be written to the SSD. I am trying to protect the SSD. The ramdisk is where I run Code::Blocks from, and I have a bash script handling everything. However, I build kernels frequently, and am about to embark on a recently awarded QT project for a municipality. In this fstab I have moved /usr/obj to tmpfs..... Can someone more experienced than me in FreeBSD offer commentary if this setup will keep intermediate and temporary object files in ram (tmpfs), rather than beat up my SSD with a bunch of small writes? I am not worried about running out of ram...I have 32Gb of it installed... Thanks you! 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