Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751393AbWHXNND (ORCPT ); Thu, 24 Aug 2006 09:13:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751440AbWHXNND (ORCPT ); Thu, 24 Aug 2006 09:13:03 -0400 Received: from ms-smtp-03.nyroc.rr.com ([24.24.2.57]:29371 "EHLO ms-smtp-03.nyroc.rr.com") by vger.kernel.org with ESMTP id S1751434AbWHXNNB (ORCPT ); Thu, 24 Aug 2006 09:13:01 -0400 Date: Thu, 24 Aug 2006 09:36:16 -0400 From: Adam Kropelin To: Alan Cox Cc: Jeff Garzik , Linux Kernel , Linux RAID Mailing List , marc@perkel.com Subject: Re: Linux: Why software RAID? Message-ID: <20060824093616.K30362@mail.kroptech.com> References: <20060824090741.J30362@mail.kroptech.com> <1156425650.3007.140.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <1156425650.3007.140.camel@localhost.localdomain>; from alan@lxorguk.ukuu.org.uk on Thu, Aug 24, 2006 at 02:20:50PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1224 Lines: 28 On Thu, Aug 24, 2006 at 02:20:50PM +0100, Alan Cox wrote: > Ar Iau, 2006-08-24 am 09:07 -0400, ysgrifennodd Adam Kropelin: > > Jeff Garzik wrote: > > with sw RAID of course if the builder is careful to use multiple PCI > > cards, etc. Sw RAID over your motherboard's onboard controllers leaves > > you vulnerable. > > Generally speaking the channels on onboard ATA are independant with any > vaguely modern card. Ahh, I did not know that. Does this apply to master/slave connections on the same PATA cable as well? I know zero about PATA, but I assumed from the terminology that master and slave needed to cooperate rather closely. > And for newer systems well the motherboard tends to > be festooned with random SATA controllers, all separate! And how. You can't swing a dead cat without hitting a half-dozen ATA ports these days. And most of them are those infuriatingly insecure SATA connectors that pop off when you look at them cross-eyed... --Adam - 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/