From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.54) id 1Ew143-0007I2-CV for garchives@archives.gentoo.org; Mon, 09 Jan 2006 17:44:15 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.5/8.13.5) with SMTP id k09HgFdF001702; Mon, 9 Jan 2006 17:42:15 GMT Received: from fe1.coxmail.com (fe1.cox-internet.com [66.76.2.38]) by robin.gentoo.org (8.13.5/8.13.5) with ESMTP id k09He3Qf001754 for ; Mon, 9 Jan 2006 17:40:04 GMT Received: from [192.168.1.2] (really [70.178.215.64]) by fe1.coxmail.com (InterMail vM.6.01.05.00 201-2131-123-20050610) with ESMTP id <20060109173949.MIGW10477.fe1.coxmail.com@[192.168.1.2]> for ; Mon, 9 Jan 2006 11:39:49 -0600 From: "Boyd Stephen Smith Jr." To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] LUKS Date: Mon, 9 Jan 2006 11:39:00 -0600 User-Agent: KMail/1.9 References: <7babdf270601090857w75cd06d6o88a0fee6e8e30c49@mail.gmail.com> In-Reply-To: <7babdf270601090857w75cd06d6o88a0fee6e8e30c49@mail.gmail.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Message-Id: <200601091139.00695.bss03@volumehost.com> X-MIME-Autoconverted: from quoted-printable to 8bit by robin.gentoo.org id k09He3Qf001754 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by robin.gentoo.org id k09HgFdt001702 X-Archives-Salt: 43f53c85-541b-4a23-a734-787220537ec4 X-Archives-Hash: 57bb68523a4b99c2bfb0a6d3149dc19f On Monday 09 January 2006 10:57, Cl=E1udio Henrique=20 wrote about '[gentoo-user] LUKS': > has anybody here used LUKS? I haven't, but when I next create an encrypted pv/lv, I will be. > If I used on any of my HDs, will I be able to update them? What do you mean by update? LUKS does allow you to change the key. > What if the=20 > data of some file gets corrupted, will I loose the whole HD? Depends on how the corruption occurs. There are a least to ways for this= =20 to happen: 1) Hardware. For one reason or another, a bit gets swapped on the HD. I= n=20 this case what you lose will depend on your cypher, key size, and key=20 schedule. It may be as small as 8 bytes on disk or as large as a full 51= 2=20 byte sector. Of course, if this happens in the fs superblock (or other=20 critial area, like the LUKS header) this could be enough to render the=20 disk inaccessible, but even a single bit being swapped in the superblock=20 can do that. 2) Software. In particular misbehaving software that accesses the HD via= =20 LUKS. In this case the read data will be exactly what is written; LUKS=20 can't magically fix errors, but it's not going (supposed) to introduce=20 them either. --=20 Boyd Stephen Smith Jr. bss03@volumehost.com ICQ: 514984 YM/AIM: DaTwinkDaddy --=20 gentoo-user@gentoo.org mailing list