From owner-freebsd-stable@FreeBSD.ORG Mon Sep 25 08:50:04 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AB02916A40F for ; Mon, 25 Sep 2006 08:50:04 +0000 (UTC) (envelope-from johan@stromnet.org) Received: from pne-smtpout1-sn1.fre.skanova.net (pne-smtpout1-sn1.fre.skanova.net [81.228.11.98]) by mx1.FreeBSD.org (Postfix) with ESMTP id F1EB443D45 for ; Mon, 25 Sep 2006 08:50:03 +0000 (GMT) (envelope-from johan@stromnet.org) Received: from elfi.stromnet.org (213.67.205.103) by pne-smtpout1-sn1.fre.skanova.net (7.2.076) id 4513E11C0008A81F for freebsd-stable@freebsd.org; Mon, 25 Sep 2006 10:50:03 +0200 Received: from localhost (localhost [127.0.0.1]) by elfi.stromnet.org (Postfix) with ESMTP id 0688445087 for ; Mon, 25 Sep 2006 10:50:01 +0200 (CEST) X-Virus-Scanned: amavisd-new at stromnet.org Received: from elfi.stromnet.org ([127.0.0.1]) by localhost (elfi.stromnet.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kMnOCR9wPStU for ; Mon, 25 Sep 2006 10:49:57 +0200 (CEST) Received: from [129.16.45.39] (dynamic-45-39.chl.chalmers.se [129.16.45.39]) by elfi.stromnet.org (Postfix) with ESMTP id 872554504A for ; Mon, 25 Sep 2006 10:49:57 +0200 (CEST) Mime-Version: 1.0 (Apple Message framework v752.2) In-Reply-To: References: <118EDA90-D7D7-4A07-B7D2-3710384308D1@stromnet.org> <955CD271-C649-4423-848C-42912C5134A2@stromnet.org> Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: quoted-printable From: =?ISO-8859-1?Q?Johan_Str=F6m?= Date: Mon, 25 Sep 2006 10:49:53 +0200 To: freebsd-stable@freebsd.org X-Mailer: Apple Mail (2.752.2) Subject: Re: Total crash in gdb!.. something is broken!.. Was: Re: FreeBSD with a Gigabyte GA-K8NSC? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Sep 2006 08:50:04 -0000 fOn Sep 25, 2006, at 09:55 , Alban Hertroys wrote: > On Sep 25, 2006, at 8:36, Johan Str=F6m wrote: > > >> What exactly does >> >> kernel dumps on /dev/mirror/gm0s1b >> >> mean? Not that it saves any kernel dumps at least.. But otoh I =20 >> have no clue why it >> > > It means exactly that. IIRC kernel dumps are created in swap space =20 > and on the next boot are moved to ${dumpdir}. I'm pretty certain =20 > this is explained nicely in the handbook[1]. > Probably is, yes I know what it means, I was just pretty upset at the =20= moment..;) > > AFAIK kernels can only be dumped on real devices, not on virtual =20 > devices like /dev/mirror/*. In that case your setup is not going to =20= > get you any dumps. > In earlier FBSD (6.0 i think?) one got an ioctl error when trying to =20 dumpon to a gmirror device, but if I dont recall wrong this has been =20 changed since (I dont get an ioctl error anymore at least...) > > Besides that, it is probably not a very good idea to mirror your =20 > swap. I am certain it is bad for performance, if it'd gain you =20 > reliability is beyond my knowledge. This has been discussed before, =20= > you probably want to check the archives. > Performance yes, but I think I've read that it is "best" anyway, if =20 one of your disks dies, youd dont want to loose half your swap since =20 that would not be very good if there is anything swapped out to that =20 disk.. > > [1] Which I didn't check as I'm about to be in a hurry... > -- > Alban Hertroys > > Priest to alien: "We want to know, is there a = higher being?". > Alien: "Well, actually that's why we're here, > we're sheer out of virgins". > > > > !DSPAM:259,45178b407241208415560! > > >