From owner-freebsd-cluster@FreeBSD.ORG Thu May 12 07:39:41 2005 Return-Path: Delivered-To: freebsd-cluster@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 56B5C16A4CE for ; Thu, 12 May 2005 07:39:41 +0000 (GMT) Received: from iota.root-servers.ch (iota.root-servers.ch [193.41.193.195]) by mx1.FreeBSD.org (Postfix) with SMTP id 32C9743D62 for ; Thu, 12 May 2005 07:39:40 +0000 (GMT) (envelope-from gabriel_ambuehl@buz.ch) Received: (qmail 38205 invoked from network); 12 May 2005 07:39:38 -0000 Received: from 80-218-107-8.dclient.hispeed.ch (HELO ?10.2.2.101?) (80.218.107.8) by 0 with SMTP; 12 May 2005 07:39:38 -0000 Message-ID: <4283083E.9000005@buz.ch> Date: Thu, 12 May 2005 09:39:42 +0200 From: Gabriel Ambuehl User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050404) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Matthew SWINBOURNE References: <5B5BBC864783B7439264DD5FF664F2A969F31D@jemima.soe.uq.edu.au> In-Reply-To: <5B5BBC864783B7439264DD5FF664F2A969F31D@jemima.soe.uq.edu.au> X-Enigmail-Version: 0.90.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit cc: FreeBSD Clustering List Subject: Re: Introduction & RE: Clustering with Freebsd X-BeenThere: freebsd-cluster@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Clustering FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 May 2005 07:39:41 -0000 Matthew SWINBOURNE wrote: >Hi All, > >Something to think about along these lines are TCP Off-Loader (TOE) >cards. If you are seriously looking at ATA over ethernet or something >similar on any production scale, then these cards are a life saver. >Reduce the CPU overhead of running storage via TCP/IP to almost >negligable. > > > > > As I understand, this is the whole point of ATA over Ethernet (vs iSCSI): it doesn't actually use TCP/IP, it runs on raw ethernet (and thus isn't routeable but that's probably more of a feature than a bug).