From owner-freebsd-questions@FreeBSD.ORG Thu May 31 03:52:18 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 78E07106564A for ; Thu, 31 May 2012 03:52:18 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from relay2.tomsk.ru (relay2.tomsk.ru [212.73.124.8]) by mx1.freebsd.org (Postfix) with ESMTP id 80E678FC08 for ; Thu, 31 May 2012 03:52:17 +0000 (UTC) X-Virus-Scanned: by clamd daemon 0.93.1 for FreeBSD at relay2.tomsk.ru Received: from admin.sibptus.tomsk.ru (account sudakov@sibptus.tomsk.ru [212.73.125.240] verified) by relay2.tomsk.ru (CommuniGate Pro SMTP 5.1.16) with ESMTPSA id 26714150 for freebsd-questions@freebsd.org; Thu, 31 May 2012 09:52:07 +0700 Received: from admin.sibptus.tomsk.ru (sudakov@localhost [127.0.0.1]) by admin.sibptus.tomsk.ru (8.14.5/8.14.5) with ESMTP id q4V2q65c011911 for ; Thu, 31 May 2012 09:52:06 +0700 (NOVT) (envelope-from vas@mpeks.tomsk.su) Received: (from sudakov@localhost) by admin.sibptus.tomsk.ru (8.14.5/8.14.5/Submit) id q4V2q6um011910 for freebsd-questions@freebsd.org; Thu, 31 May 2012 09:52:06 +0700 (NOVT) (envelope-from vas@mpeks.tomsk.su) X-Authentication-Warning: admin.sibptus.tomsk.ru: sudakov set sender to vas@mpeks.tomsk.su using -f Date: Thu, 31 May 2012 09:52:06 +0700 From: Victor Sudakov To: freebsd-questions@freebsd.org Message-ID: <20120531025206.GA11699@admin.sibptus.tomsk.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: AO "Svyaztransneft", SibPTUS X-PGP-Key: http://www.livejournal.com/pubkey.bml?user=victor_sudakov X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 User-Agent: Mutt/1.5.21 (2010-09-15) Subject: 9.0 on SSD X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 May 2012 03:52:18 -0000 Colleagues, I have installed 9.0-RELEASE on a SSD drive with the following tweaking so far: 1. tmpmfs="YES" (WRKDIRPREFIX etc will go there too). 2. mount -o noatime 3. tunefs -t enable I have not done any tricky partition alignment, do I really need to? Is anything else advisable? There is one thing that worries me, why is TRIM not shown as enabled in camcontrol output? [root@vas ~] tunefs -p /dev/ada0p2 | & grep -i trim tunefs: trim: (-t) enabled [root@vas ~] camcontrol identify ada0 | egrep '^Fea|TRIM' Feature Support Enabled Value Vendor data set management (TRIM) yes [root@vas ~] -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru