Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755354AbXEDOag (ORCPT ); Fri, 4 May 2007 10:30:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755356AbXEDOag (ORCPT ); Fri, 4 May 2007 10:30:36 -0400 Received: from mailer.gwdg.de ([134.76.10.26]:46205 "EHLO mailer.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755354AbXEDOaf (ORCPT ); Fri, 4 May 2007 10:30:35 -0400 Date: Fri, 4 May 2007 16:30:18 +0200 (MEST) From: Jan Engelhardt To: Salvatore De Paolis cc: LKML Subject: Re: Kernel parameters: root In-Reply-To: <20070504153701.43123c02@debian> Message-ID: References: <20070504153701.43123c02@debian> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1018 Lines: 29 On May 4 2007 15:37, Salvatore De Paolis wrote: > >I hope this is the right place to ask this question, if not please redirect me >to the right ML. > >I would like to know more about kernel parameters and in particular about the >root parameter. >I'm booting the kernel from usb pen and the root could change while the pen is >plugged in different machines with different hardware. >I was trying to find info about "how to make this unique". By using root=/dev/disk/by-id/scsi-SATA_iCreate_CF_Card000000001-part1 for example. Requires an initramfs with udev. >Does the kernel see only /dev/* ? There's no way to pass /dev/disk/*? The kernel has special logic to translate some (not ALL) /dev/[hs]d[abcd..] into device numbers if it cannot find a device node. Jan -- - 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/