From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Rabbitson Subject: Re: Help, big error, dd first GB of a raid:-/ Date: Wed, 30 Jan 2008 13:11:23 +0100 Message-ID: <47A0696B.4030301@rabbit.us> References: <47A054D4.9030308@cgv.tugraz.at> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <47A054D4.9030308@cgv.tugraz.at> Sender: linux-raid-owner@vger.kernel.org To: Lars Schimmer Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Lars Schimmer wrote: > > Hi! > > Due to a very bad idea/error, I zeroed my first GB of /dev/md0. > Now fdisk doesn't find any disk on /dev/md0. > Any idea on how to recover? > It largely depends on what is /dev/md0, and what was on /dev/md0. Provide very detailed info: * Was the MD device partitioned? * What filesystem(s) were residing on the array, what sizes, what order * What was each filesystem used for (mounted as what) Someone might be able to help at this point, however if you do not have a backup - you are in very very deep trouble already.