From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from beast.visionsuite.biz (beast.visionsuite.biz [85.163.23.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CBB12188A3E for ; Fri, 23 Aug 2024 15:56:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.163.23.103 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724428622; cv=none; b=ohcdZHpIYuNvJhFYSvLDVb9kFvR8uy4CyALMC/gsJrATcJHS5xs6WmaJFXip3JCL6f3TpxFxc4eEUVaXnNWWHBDL7ELZYbz6PfBLmyEK9HkWjKQxtI8IbA947EqlGj1f8QNWKMLOkLgB7lKMzZs2cybIF3gFx11yJjvpwoXwB1s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724428622; c=relaxed/simple; bh=pUGQ77fgWcfYWBi3EZstrc3sTU/4w9HNbKOHzfkAOKo=; h=MIME-Version:Date:From:To:Subject:In-Reply-To:References: Message-ID:Content-Type; b=GLxFdlxKURrokqoeZW2Wt9ykb1C5Z00ZcaRTGoM+66wm//RJ6EYorkT1EDkavfBA3HCX3f0RN6AVE5VKmFt46mIfK/5anSpF9UR1jRVsg3KrEZQFcQfVj4+LqzOqLHYUjccDQ/thL7T3prSY/f/z+kgnmwZw/Ot8HAEQNka/rxg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fordfrog.com; spf=pass smtp.mailfrom=fordfrog.com; dkim=pass (1024-bit key) header.d=fordfrog.com header.i=@fordfrog.com header.b=Ycxp/PjJ; arc=none smtp.client-ip=85.163.23.103 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fordfrog.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fordfrog.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=fordfrog.com header.i=@fordfrog.com header.b="Ycxp/PjJ" Received: from localhost (beast.visionsuite.biz [127.0.0.1]) by beast.visionsuite.biz (Postfix) with ESMTP id 9C91A4E1F31F for ; Fri, 23 Aug 2024 17:56:56 +0200 (CEST) X-Virus-Scanned: amavisd-new at visionsuite.biz Received: from beast.visionsuite.biz ([127.0.0.1]) by localhost (beast.visionsuite.biz [127.0.0.1]) (amavisd-new, port 10026) with LMTP id WUQKNjsD3zgj for ; Fri, 23 Aug 2024 17:56:55 +0200 (CEST) Received: from roundcube.visionsuite.biz (beast.visionsuite.biz [127.0.0.1]) by beast.visionsuite.biz (Postfix) with ESMTPA id D2C5D4E1F315 for ; Fri, 23 Aug 2024 17:56:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fordfrog.com; s=beast; t=1724428615; bh=g+T2AhCHUGuBp58rEBtoaircaKvHgpH40M/gRp/9GY8=; h=Date:From:To:Subject:In-Reply-To:References; b=Ycxp/PjJZE+Q8nr3Qh3NOgiSc/BsgCyB4N/9eaoJXMq5yHHmiTT5hir0uHl7RW91t DOJU+YHj8BgVd+xQJDZr/TYNnRUemmBw4m/soljtQkAwmeIaA1JT+4hRXCkaoq7JDH cgFgT0yRsWkqdaYT5g6BEZn74bZ/IXng9TE6yZis= Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Fri, 23 Aug 2024 17:56:55 +0200 From: =?UTF-8?Q?Miroslav_=C5=A0ulc?= To: linux-raid@vger.kernel.org Subject: Re: problem with synology external raid In-Reply-To: References: Message-ID: X-Sender: miroslav.sulc@fordfrog.com Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit hi Dragan, thank you for your reply. Dne 2024-08-22 18:24, Dragan Milivojević napsal: >> according to my understanding, as the disk 1 never finished the sync, >> i >> cannot use it to recover the data, so the only way to recover the data >> is to assemble the raid in degraded mode using disk 2-5, if i ever >> succeed to make a copy of the disk 3. i'd just like to verify that my >> understanding is correct and there is no other way to attempt to >> recover >> the data. of course any hints are welcome. > > You figured it right, the only advice is to use dd_rescue in an attempt > to get > most of the data from the disk #3. today i finally tried to ddrescue the broken disk, but the reading is so slow that it seems to be unrecoverable this way.