From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mail.saout.de (Postfix) with ESMTP for ; Fri, 3 Sep 2010 15:58:05 +0200 (CEST) Message-ID: <4C80FEE7.3030508@redhat.com> Date: Fri, 03 Sep 2010 15:57:59 +0200 From: Milan Broz MIME-Version: 1.0 References: <4C80F647.9080500@gmail.com> In-Reply-To: <4C80F647.9080500@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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: Thorsten Peter Cc: dm-crypt@saout.de 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