Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030303AbWHXF0q (ORCPT ); Thu, 24 Aug 2006 01:26:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030301AbWHXF0q (ORCPT ); Thu, 24 Aug 2006 01:26:46 -0400 Received: from terminus.zytor.com ([192.83.249.54]:43977 "EHLO terminus.zytor.com") by vger.kernel.org with ESMTP id S1030296AbWHXF0p (ORCPT ); Thu, 24 Aug 2006 01:26:45 -0400 Message-ID: <44ED3851.7040202@zytor.com> Date: Wed, 23 Aug 2006 22:25:37 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 1.5.0.5 (X11/20060808) MIME-Version: 1.0 To: Chris Friesen CC: Jeff Garzik , Linux Kernel , Linux RAID Mailing List , marc@perkel.com Subject: Re: Linux: Why software RAID? References: <44ED1E41.40606@garzik.org> <44ED3723.3090308@nortel.com> In-Reply-To: <44ED3723.3090308@nortel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1097 Lines: 30 Chris Friesen wrote: > Jeff Garzik wrote: > >> But anyway, to help answer the question of hardware vs. software RAID, >> I wrote up a page: >> >> http://linux.yyz.us/why-software-raid.html > > Just curious...with these guys > (http://www.bigfootnetworks.com/KillerOverview.aspx) putting linux on a > PCI NIC to allow them to bypass Windows' network stack, has anyone ever > considered doing "hardware" raid by using an embedded cpu running linux > software RAID, with battery-backed memory? > > It would theoretically allow you to remain feature-compatible by > downloading new kernels to your RAID card. > Yes. In fact, I have been told by several RAID chip vendors that their customers are *strongly* demanding that their chips be able to run Linux md (and still use whatever hardware offload features.) So it's happening. -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/