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From: Milan Broz <mbroz@redhat.com>
To: Thorsten Peter <thorsten.peter@googlemail.com>
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] dm-crypt / Software Raid5 issues on Ubuntu Lucid 64bit
Date: Fri, 03 Sep 2010 15:57:59 +0200	[thread overview]
Message-ID: <4C80FEE7.3030508@redhat.com> (raw)
In-Reply-To: <4C80F647.9080500@gmail.com>

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

  reply	other threads:[~2010-09-03 13:58 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-03 13:21 [dm-crypt] dm-crypt / Software Raid5 issues on Ubuntu Lucid 64bit Thorsten Peter
2010-09-03 13:57 ` Milan Broz [this message]
2010-09-03 14:10   ` Thorsten Peter
2010-09-03 14:12     ` Thorsten Peter
2010-09-03 18:14       ` Arno Wagner
2010-09-04 11:14         ` Thorsten Peter
2010-09-05 12:34           ` BOBA FETT
2010-09-05 12:56             ` Arno Wagner
2010-09-05 16:42             ` Milan Broz
2010-09-06  3:40               ` Arno Wagner
2010-09-06  6:25               ` Heinz Diehl
  -- strict thread matches above, loose matches on Subject: below --
2010-09-03 13:22 BOBA FETT
2010-09-03 13:36 ` Rick Moritz
2010-09-03 13:52   ` BOBA FETT

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