From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764024AbYETSRw (ORCPT ); Tue, 20 May 2008 14:17:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755533AbYETSRo (ORCPT ); Tue, 20 May 2008 14:17:44 -0400 Received: from smtp.witbe.net ([81.88.96.48]:40649 "EHLO smtp.witbe.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754039AbYETSRn (ORCPT ); Tue, 20 May 2008 14:17:43 -0400 X-Greylist: delayed 343 seconds by postgrey-1.27 at vger.kernel.org; Tue, 20 May 2008 14:17:43 EDT Date: Tue, 20 May 2008 20:11:57 +0200 From: Paul Rolland To: Linux Kernel Cc: rol@as2917.net Subject: SATA hotplug device renaming and dmraid... Message-ID: <20080520201157.21c31481@tux.DEF.witbe.net> Organization: AS2917.net X-Mailer: Claws Mail 3.3.0 (GTK+ 2.10.14; i686-pc-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, I'm using a machine that supports SATA hotplug and with and Intel ESB2 (Fake)Raid controller. I've configured a raid1 (mirror) array using dmraid, that is made of /dev/sda and /dev/sdb, and seen by the OS as /dev/mapper/isw_xxxxxxx_RAID1 My problem is that when I unplug and replug a disk, it is assigned a new name (/dev/sdc first time as this is the first name available), and so it is no more considered as being part of the RAID array. Is this an expected behavior ? Is there a way (using dmraid/dmsetup) to instruct kernel of the changes ? It seems that udev can get events from device-mapper, from Documentations/device-mapper/dm-xxxx.txt, but I don't really see how to use this to notify of a disk change in the array... Regards, Paul