From owner-freebsd-arch@FreeBSD.ORG Wed Apr 2 19:11:49 2008 Return-Path: Delivered-To: freebsd-arch@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4CBF11065670 for ; Wed, 2 Apr 2008 19:11:49 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (bsdimp.com [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id 08DE28FC15 for ; Wed, 2 Apr 2008 19:11:48 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from localhost (localhost [127.0.0.1]) by harmony.bsdimp.com (8.14.2/8.14.1) with ESMTP id m32J9TZT015462; Wed, 2 Apr 2008 13:09:29 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Wed, 02 Apr 2008 13:10:19 -0600 (MDT) Message-Id: <20080402.131019.-705186138.imp@bsdimp.com> To: dillon@apollo.backplane.com From: "M. Warner Losh" In-Reply-To: <200804012226.m31MQ42O042173@apollo.backplane.com> References: <200804012010.m31KAMpu041011@apollo.backplane.com> <200804012226.m31MQ42O042173@apollo.backplane.com> X-Mailer: Mew version 5.2 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-arch@FreeBSD.org, mfouts@danger.com Subject: Re: Flash disks and FFS layout heuristics X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Apr 2008 19:11:49 -0000 In message: <200804012226.m31MQ42O042173@apollo.backplane.com> Matthew Dillon writes: : : :> 64MB is tiny. None of the problems with any of the=20 : :> approachs we've discussed even exist with devices that small in an=20 : :> embedded system. : : : :It is fairly clear that you're not familiar with NAND devices on : :embedded systems, as you've just said that well known problems do not : :exist. : : : :> To be clear, because I really don't understand how you=20 : :> can possibly argue that the named-block storage layer is bad in a=20 : :> device that small... : : : :Yes, your lack of understanding is very apparent. : : What complete bullshit. If you want to argue technical merits, be : my guest. So far you haven't made one single technical point in : any of your postings. You've posted about your experience with NAND AHEM! Matt, you will keep a civil tongue, or you will be asked to leave the list. This goes for everybody else too. Warner