From owner-freebsd-questions@FreeBSD.ORG Fri Dec 17 13:19:58 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 81EF716A4CE for ; Fri, 17 Dec 2004 13:19:58 +0000 (GMT) Received: from ei.bzerk.org (ei.xs4all.nl [213.84.67.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4D5DF43D48 for ; Fri, 17 Dec 2004 13:19:57 +0000 (GMT) (envelope-from mail25@bzerk.org) Received: from ei.bzerk.org (BOFH@localhost [127.0.0.1]) by ei.bzerk.org (8.13.1/8.13.1) with ESMTP id iBHDMG86063943; Fri, 17 Dec 2004 14:22:16 +0100 (CET) (envelope-from mail25@bzerk.org) Received: (from bulk@localhost) by ei.bzerk.org (8.13.1/8.13.1/Submit) id iBHDMGFE063942; Fri, 17 Dec 2004 14:22:16 +0100 (CET) (envelope-from mail25@bzerk.org) Date: Fri, 17 Dec 2004 14:22:16 +0100 From: Ruben de Groot To: Karsten Fuhrmann Message-ID: <20041217132216.GA63783@ei.bzerk.org> Mail-Followup-To: Ruben de Groot , Karsten Fuhrmann , freebsd-questions@freebsd.org References: <41C2CF1A.8090207@cartoon-film.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41C2CF1A.8090207@cartoon-film.de> User-Agent: Mutt/1.4.2.1i X-Spam-Status: No, score=-1.7 required=5.0 tests=ALL_TRUSTED, FROM_ENDS_IN_NUMS,J_CHICKENPOX_84 autolearn=failed version=3.0.0 X-Spam-Checker-Version: SpamAssassin 3.0.0 (2004-09-13) on ei.bzerk.org cc: freebsd-questions@freebsd.org Subject: Re: RAID0 problem array broken X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Dec 2004 13:19:58 -0000 On Fri, Dec 17, 2004 at 01:20:42PM +0100, Karsten Fuhrmann typed: > Hello, > tonight my RAID0 configuration broke. > It seems to be only a loose cable or power cord, which i fixed already. > > But now my ar0 stripe will not be recognised anymore. > /var/log/messages showed this : > Dec 17 03:24:44 darkstar kernel: ad6: FAILURE - ATA_IDENTIFY timed out > Dec 17 03:24:49 darkstar kernel: ad6: FAILURE - ATA_IDENTIFY timed out > Dec 17 03:24:49 darkstar kernel: ad6: deleted from ar0 disk1 > Dec 17 03:24:49 darkstar kernel: ar0: ERROR - array broken > Dec 17 03:24:49 darkstar kernel: ad6: WARNING - removed from configuration > Dec 17 03:24:49 darkstar kernel: ar0: ERROR - array broken > > And "atacontrol list" even shows all disks, here the output > ATA channel 2: > Master: ad4 Serial ATA v1.0 > Slave: no device present > ATA channel 3: > Master: ad6 Serial ATA v1.0 > Slave: no device present > ATA channel 4: > Master: ad8 Serial ATA v1.0 > Slave: no device present > > These 3 Disks are my stripe set! > > Is there a way to recreate the stripe set without losing the data on the > disks? Well, technically, since your data are indeed still there, you should be able to extract it from the disks. That would involve a small amount of math though (stripe size e.a.). > I think there must be an easy way, because e.g. ill take these disks to > a friends computer(with the same controller) it should be possible to > use my raid on his machine, right? > > I am running 5.3-RELEASE with a Promise TX 4 I'm not sure about the TX4; but what about recreating the array in the controller's BIOS (if it has one) without rebuilding the array? Ruben