From owner-freebsd-hackers@freebsd.org Fri Dec 30 16:11:46 2016 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 51799C97780 for ; Fri, 30 Dec 2016 16:11:46 +0000 (UTC) (envelope-from f0andrey@gmail.com) Received: from mail-qk0-x22b.google.com (mail-qk0-x22b.google.com [IPv6:2607:f8b0:400d:c09::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0EDE3123B; Fri, 30 Dec 2016 16:11:46 +0000 (UTC) (envelope-from f0andrey@gmail.com) Received: by mail-qk0-x22b.google.com with SMTP id t184so300736574qkd.0; Fri, 30 Dec 2016 08:11:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=uVMcuwT6DJKq5m6wcmoA6gqkGAferTvL+vYH/QIA+c0=; b=YzX/hBzMlmEArydYala7EP3dj9hOyVVl3jwm+Qvjmsp7JzgPDafHFZnmj46qbYGwCG jyHar2MgWYJ3eWsgVPU8mMgThAYwROz64HcHAxHu0tMhpVsGxEbQCsmOplGgr6FhaA+p IiIItzQ7ZOeSvVv7PICx+ht9AWWtfruWP3zvf7Zv/f1MYO++6I8lDT8McDri7aJ19YCT zn4fWCxB7cSbmKQPo/D4BQ8JmKF6332k9Hvc5a1FLt0ZqfBrL+3P8w8/WejTYTevbJAX 3xH9tPS9n1hodJtrTT4JTvdTisTblZKAf7g40RqM5dUqFGXwvypDcN+YEj5XOcY+Fo+c bi7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=uVMcuwT6DJKq5m6wcmoA6gqkGAferTvL+vYH/QIA+c0=; b=q+hw20I7ucJSxNFQ/De3r23mZpWCspSI9bWnJcnBIBTyNefd+U05nWBg1QWSKJn5UL 5dSRCHTTuGrlt3LVJx3/MRAukzORU/+5mR900/kaxikwnisn93jzNHXh1nf2pMMO2yj7 tu8uXUyTE4+qe66xpeue/culLdelI+sRxdWab4N9BuATBAHGou7J48r2l835QKJbPDFt kvEuZE/5IZNn1RgNR+ycaFgrHXF5le7dYAFri6Gs2y91LiKoHWtPHJf6TAok7zufdXnl 7RLHEDAanRHbaVtkh3M0R1yXdKuBs25YiTLN1aXk98OhpeWFrMDmJAHYvtsciI/hvyWR nd+g== X-Gm-Message-State: AIkVDXLQ3nCBlQgVsk+IGPRf6snUhMPmQI3Lyu8yzbsrxnQCQi36Ohj9JMUm6mhZ9LdMLo9fNI3fzYnnN2GDNw== X-Received: by 10.55.195.148 with SMTP id r20mr45073665qkl.45.1483114305013; Fri, 30 Dec 2016 08:11:45 -0800 (PST) MIME-Version: 1.0 Received: by 10.55.161.131 with HTTP; Fri, 30 Dec 2016 08:11:44 -0800 (PST) In-Reply-To: References: <20161230124407.GN37118@zxy.spb.ru> From: Andrey Fesenko Date: Fri, 30 Dec 2016 19:11:44 +0300 Message-ID: Subject: Re: How to safely remove rest of GTP? To: Alan Somers Cc: Slawa Olhovchenkov , "freebsd-hackers@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Dec 2016 16:11:46 -0000 On Fri, Dec 30, 2016 at 7:00 PM, Alan Somers wrote: > On Fri, Dec 30, 2016 at 5:44 AM, Slawa Olhovchenkov wrote: >> How to safely remove rest of GPT? >> Disk have actual data (part of ZFS), I am don't need to destroy this >> data. >> >> GEOM: da6: the primary GPT table is corrupt or invalid. >> GEOM: da6: using the secondary instead -- recovery strongly advised. >> GEOM: da22: the primary GPT table is corrupt or invalid. >> GEOM: da22: using the secondary instead -- recovery strongly advised. >> GEOM: da6: the primary GPT table is corrupt or invalid. >> GEOM: da6: using the secondary instead -- recovery strongly advised. >> GEOM: da22: the primary GPT table is corrupt or invalid. >> GEOM: da22: using the secondary instead -- recovery strongly advised. > > > dd if=/dev/zero of=/dev/vtbd1 bs=8192 count=2 > >> secondary instead It's last sector on the disk