From owner-freebsd-geom@FreeBSD.ORG Thu Jan 21 14:31:22 2010 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AEF64106566B for ; Thu, 21 Jan 2010 14:31:22 +0000 (UTC) (envelope-from bsd4life@googlemail.com) Received: from mail-bw0-f214.google.com (mail-bw0-f214.google.com [209.85.218.214]) by mx1.freebsd.org (Postfix) with ESMTP id 43A9C8FC20 for ; Thu, 21 Jan 2010 14:31:21 +0000 (UTC) Received: by bwz6 with SMTP id 6so21956bwz.31 for ; Thu, 21 Jan 2010 06:31:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=biE5n60VA//uYnRUbSkfzem1cFHYui5f5zTXbjCEKWI=; b=it5ihNTSxqwD8N117XSMiuhEyMbi+RNFoJjMArg67gRzn907y6kYEEohgvTfXRSVXA ANc5eX3RFVjkNiGjVmU5iv1dvag5OCkt4712NBaqueKWZaNNg1eAibtAFAJiHXXYwDOE HY9TLJkAfc6esjpa6AJTON86q/yXBixoDgtQ0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=QSKa+NHQm7dnlE+J4QA8ffi+Cc+81BgGcSKsJ6oDA77Mur6lrbzY3Y6uhBztZoQk72 5aHVA2cfQPOBARm3cupA+/RTVqwrtBixMU/xBfFkBLoQ8w7HYIZP6oXjNoWhymaaU0oc Sbr70kicXwRffEy40MwOHiMOI2wiMwvZSf7r4= MIME-Version: 1.0 Received: by 10.204.25.132 with SMTP id z4mr815288bkb.131.1264084281177; Thu, 21 Jan 2010 06:31:21 -0800 (PST) In-Reply-To: References: <5709ce311001210622u43233cacw9646cc0306a6b907@mail.gmail.com> Date: Thu, 21 Jan 2010 15:31:21 +0100 Message-ID: From: BSD Life To: freebsd-geom Content-Type: text/plain; charset=UTF-8 Subject: Fwd: geli recovery X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jan 2010 14:31:22 -0000 Sry, didn't sent to the list (googles webmail sucks ...) ---------- Forwarded message ---------- From: BSD Life Date: Thu, 21 Jan 2010 15:29:56 +0100 Subject: Re: geli recovery To: Alaksiej C 2010/1/21, Alaksiej C : > Your data is lost. > > Explanation: some BIOSes do backup themselves on "unused" drives, at > the end of the HDD space (Google for "Host Protected Area"). The > criteria for detecting "unused" drive is first sector's contents > (AFAIK): is it MBR or not. > > When you inserted your drive to that Windows box, BIOS decided it is > not used (no MB and backed itself up to it. As GELI's control block is > residing at the end of encrypted container, it is gone forever. > > So, it's neither GELI's nor Windows bug, it is just dangerous BIOSes' > feature. > > -- > Best regards, > Alaksiej > Ok, that sounds resonable, so I should always backup the metadata of a disc for such cases. If I had a backup, I could just use the "geli restore" functionality and it would be fine again, right? Anyway, thanks for your answer.