From owner-freebsd-current@FreeBSD.ORG Tue Nov 29 17:03:14 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9539B16A41F; Tue, 29 Nov 2005 17:03:14 +0000 (GMT) (envelope-from cracauer@schlepper.zs64.net) Received: from schlepper.zs64.net (schlepper.zs64.net [212.12.50.230]) by mx1.FreeBSD.org (Postfix) with ESMTP id 302BD43D53; Tue, 29 Nov 2005 17:02:48 +0000 (GMT) (envelope-from cracauer@schlepper.zs64.net) Received: from schlepper.zs64.net (schlepper [212.12.50.230]) by schlepper.zs64.net (8.13.3/8.12.9) with ESMTP id jATH2huP065501; Tue, 29 Nov 2005 18:02:43 +0100 (CET) (envelope-from cracauer@schlepper.zs64.net) Received: (from cracauer@localhost) by schlepper.zs64.net (8.13.3/8.12.9/Submit) id jATH2hVo065500; Tue, 29 Nov 2005 12:02:43 -0500 (EST) (envelope-from cracauer) Date: Tue, 29 Nov 2005 12:02:43 -0500 From: Martin Cracauer To: Gavin Atkinson Message-ID: <20051129120243.B64864@cons.org> References: <61FBEC57-424E-450F-A775-10E1F5E8DF92@cian.ws> <20051127215510.A17131@cons.org> <1133190443.41553.18.camel@buffy.york.ac.uk> <438B1F90.3090708@FreeBSD.org> <1133196263.41553.54.camel@buffy.york.ac.uk> <20051128130516.A36114@cons.org> <1133271434.46168.9.camel@buffy.york.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <1133271434.46168.9.camel@buffy.york.ac.uk>; from gavin.atkinson@ury.york.ac.uk on Tue, Nov 29, 2005 at 01:37:14PM +0000 Cc: Martin Cracauer , freebsd-current@freebsd.org, =?iso-8859-1?Q?S=F8ren_Schmidt?= Subject: Re: Building new Athlon AMD64 Socket 939 or 940 machine X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Nov 2005 17:03:14 -0000 Gavin Atkinson wrote on Tue, Nov 29, 2005 at 01:37:14PM +0000: > On Mon, 2005-11-28 at 13:05 -0500, Martin Cracauer wrote: > > > Hmm, well that's promising. This is with: > > > atapci1@pci0:7:0: class=0x010485 card=0x5348108e chip=0x005410de > > > rev=0xf3 hdr=0x00 > > > vendor = 'NVIDIA Corporation' > > > device = 'nForce4 Serial ATA Controller' > > > class = mass storage > > > subclass = RAID > > > > > > I don't know if it makes any difference, but the board has on-board > > > NVIDIA RAID, which I'm considerably less than impressed with. I'll > > > build one of them without the on-board RAID support and see if > > > hot-insert works. I don't have the logs (long story, but basically the > > > RAID bios hosed my data) but I think it failed to notice the inserted > > > disk, and was timing out while trying to select the channel when forced > > > with an atacontrol reinit. > > > > Do not use this for safety/raid1. > > > > I have seen several reports that the NVidia software raid wipes out > > the intact drive on warm boot when the machine reboots with one drive > > bad. Seems to do a random pick which drive to mirror to which other. > > Thanks for confirming this - that is exactly the same behaviour as I > have witnessed. I've even managed to lose data from the disks without > any OS involvement, purely by using the RAID BIOS. I'm amazed how bad > this controller is. Just to make that clear: the controller works well (well, no NCQ), it is just the BIOS support for the pseudo-hardware RAID on top that is -uh- questionable. Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin Cracauer http://www.cons.org/cracauer/ FreeBSD - where you want to go, today. http://www.freebsd.org/