From owner-freebsd-current@FreeBSD.ORG Wed Apr 4 05:20:46 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id F07161065679; Wed, 4 Apr 2012 05:20:46 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16]) by mx1.freebsd.org (Postfix) with ESMTP id BFE0C8FC15; Wed, 4 Apr 2012 05:20:46 +0000 (UTC) Received: from julian-mac.elischer.org (c-67-180-24-15.hsd1.ca.comcast.net [67.180.24.15]) (authenticated bits=0) by vps1.elischer.org (8.14.5/8.14.5) with ESMTP id q345Kcui001360 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 3 Apr 2012 22:20:39 -0700 (PDT) (envelope-from julian@freebsd.org) Message-ID: <4F7BDA4D.709@freebsd.org> Date: Tue, 03 Apr 2012 22:21:17 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.28) Gecko/20120306 Thunderbird/3.1.20 MIME-Version: 1.0 To: Matt Jacob References: <4F7BA173.6050903@freebsd.org> <4F7BC540.1090503@feral.com> In-Reply-To: <4F7BC540.1090503@feral.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org, Matthew Jacob Subject: Re: "trim/discard" success story X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Apr 2012 05:20:47 -0000 On 4/3/12 8:51 PM, Matthew Jacob wrote: > My experience at Alacritech was that Trim was so expensive timewise > that it could not be used in that application space. Instead, > SECURITY ERASE on the relatively infrequent reboots cleaned things > up pretty well. > > This should be with a grain of salt because I expect trim timings > are not only vendor dependent but firmware release dependent. very true. In this case, on this drive, on this version.. it is fast. > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" >