Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755689Ab0BQOZv (ORCPT ); Wed, 17 Feb 2010 09:25:51 -0500 Received: from mail.elliptictech.com ([209.217.122.41]:53669 "EHLO emergent.ellipticsemi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751642Ab0BQOZt (ORCPT ); Wed, 17 Feb 2010 09:25:49 -0500 Date: Wed, 17 Feb 2010 09:25:45 -0500 From: Nick Bowler To: Volker Armin Hemmann Cc: Bill Davidsen , Michael Evans , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: Linux mdadm superblock question. Message-ID: <20100217142545.GA12165@emergent.ellipticsemi.com> Mail-Followup-To: Volker Armin Hemmann , Bill Davidsen , Michael Evans , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org References: <201002140251.59668.volkerarmin@googlemail.com> <201002162206.32797.volkerarmin@googlemail.com> <20100216220020.GA1036@emergent.ellipticsemi.com> <201002162318.33950.volkerarmin@googlemail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201002162318.33950.volkerarmin@googlemail.com> Organization: Elliptic Technologies Inc. User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1159 Lines: 26 On 23:18 Tue 16 Feb , Volker Armin Hemmann wrote: > On Dienstag 16 Februar 2010, Nick Bowler wrote: > > I put a complete set of recovery tools into my initramfses so that when > > the system is completely fucked up, I have a kernel that is able to boot > > until rdinit=/bin/zsh (or /bin/bb, if you prefer) takes over. > > > > This has the added advantage of working when the root filesystem cannot > > be mounted at all: a scenario which does not seem too far-fetched when > > the filesystem is located on a raid array. > > and what do you do if you have to boot from a cd/usb stick and need to access > the raid? > > Simple with auto assembling. Not so much without. The same initramfs can be used on a CD or USB stick. If you were referring to using someone else's CD or USB stick, then obviously mdadm will need to be available. -- Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/) -- 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/