From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tansi.org (ns.km10532-04.keymachine.de [87.118.102.195]) by mail.saout.de (Postfix) with ESMTP for ; Fri, 3 Sep 2010 20:14:31 +0200 (CEST) Received: from gatewagner.dyndns.org (84-74-164-239.dclient.hispeed.ch [84.74.164.239]) by tansi.org (Postfix) with ESMTPA id BCBEA212804A for ; Fri, 3 Sep 2010 20:14:30 +0200 (CEST) Date: Fri, 3 Sep 2010 20:14:29 +0200 From: Arno Wagner Message-ID: <20100903181429.GA11768@tansi.org> References: <4C80F647.9080500@gmail.com> <4C80FEE7.3030508@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [dm-crypt] dm-crypt / Software Raid5 issues on Ubuntu Lucid 64bit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: dm-crypt@saout.de I would recomend one read-thrugh of the FAQ. Just posted it today and it is also in the web here: http://code.google.com/p/cryptsetup/wiki/FrequentlyAskedQuestions The most important thing to know is that if you trash the LUKS header, you are screwed ;-) Arno On Fri, Sep 03, 2010 at 04:12:25PM +0200, Thorsten Peter wrote: > Sorry man, sent one of my msgs using a false E-Mail address, please reply to > my other address if possible: boba23@gmail.com. That's the one that is > registered in the list. > > thx > > Thorsten > > On Fri, Sep 3, 2010 at 4:10 PM, Thorsten Peter < > thorsten.peter@googlemail.com> wrote: > > > Hey Milan, > > > > could you give me a pointer on how to setup the encryption using LUKS? I am > > totally new to dm-crypt. Just used the first method that I found in the > > howto .... > > Right now I am following Ricks advice and upgrading to 2.6.35 from a ppa > > repo. > > > > Thanks, > > > > Thorsten > > > > > > On Fri, Sep 3, 2010 at 3:57 PM, Milan Broz wrote: > > > >> On 09/03/2010 03:21 PM, Thorsten Peter wrote: > >> > >> > I am switching from loop-aes to dm_crypt. I am trying to use it on a > >> > fresh Ubuntu 64bit server installation with my 6x750gb Software raid5 > >> array. > >> > Array is clean and freshly created, I encrypted it using > >> > > >> > cryptsetup -y -c aes -h ripemd160 -s 256 create STUFF /dev/md0 > >> > >> Please use LUKS instead here to get persistent header. > >> > >> > Format went fine, but when I try to copy back large amount of data to > >> > the encrypted array (about 900gig) my copy thread always hangs itself at > >> > some point during the process. I can't access the array anymore, though > >> > the raid itself is fine, no drives are kicked out or anything. > >> > Reboot gives me back access and the array is still ok. > >> > When the problem occures I see the following trace in log: > >> > > >> > Aug 29 02:54:24 liberty24 kernel: [221558.020638] Pid: 400, comm: > >> > md0_raid5 Not tainted 2.6.32-24-server #41-Ubuntu Unknow > >> > >> If it is reproducible with upstream kernel, please send me OOPs, > >> if not, please use Ubuntu bugzilla - I saw strange reports which were > >> never > >> reproducible on upstream. > >> > >> (The bug seems like something we fixed long time ago.) > >> > >> Milan > >> > >> > > > > > > -- > > -------------------------------- > > Dipl.-Inf. (FH) Thorsten Peter > > > > E-Mail: Thorsten.Peter@gmail.com > > Mobile: 01795322057 > > -------------------------------- > > > > > > -- > -------------------------------- > Dipl.-Inf. (FH) Thorsten Peter > > E-Mail: Thorsten.Peter@gmail.com > Mobile: 01795322057 > -------------------------------- > _______________________________________________ > dm-crypt mailing list > dm-crypt@saout.de > http://www.saout.de/mailman/listinfo/dm-crypt -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier