From owner-freebsd-questions@FreeBSD.ORG Thu Jul 26 08:56:37 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 56DE6106564A for ; Thu, 26 Jul 2012 08:56:37 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99]) by mx1.freebsd.org (Postfix) with ESMTP id 3EB668FC15 for ; Thu, 26 Jul 2012 08:56:27 +0000 (UTC) Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1]) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q6Q8tHwK014292; Thu, 26 Jul 2012 10:55:17 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id q6Q8tFSK014289; Thu, 26 Jul 2012 10:55:17 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Thu, 26 Jul 2012 10:55:15 +0200 (CEST) From: Wojciech Puchar To: RW In-Reply-To: <20120726031450.5c06dd61@gumby.homeunix.com> Message-ID: References: <201207260052.q6Q0qdss086796@mail.r-bonomi.com> <20120726031450.5c06dd61@gumby.homeunix.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (wojtek.tensor.gdynia.pl [127.0.0.1]); Thu, 26 Jul 2012 10:55:17 +0200 (CEST) Cc: freebsd-questions@freebsd.org Subject: Re: geli - selecting cipher 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, 26 Jul 2012 08:56:37 -0000 >> >> 'CBC' -- [C]ypher [B]lock [C]hainig -- is well-suited for strictly >> -sequential- data access. Try reading the blocks of a large (say >> 10gB) file in *reverse* order and see what kind of performance you >> get. how about randomio test on geli encrypted ramdisk? AES-CBC still 3 times faster