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From: Stan Hoeppner <stan@hardwarefreak.com>
To: linux-raid@vger.kernel.org
Subject: Re: dm-crypt over raid6 unreadable after crash
Date: Mon, 11 Jul 2011 06:49:47 -0500	[thread overview]
Message-ID: <4E1AE35B.1020307@hardwarefreak.com> (raw)
In-Reply-To: <20110711075729.GB32187@apartia.fr>

On 7/11/2011 2:57 AM, Louis-David Mitterrand wrote:
> On Sun, Jul 10, 2011 at 06:44:21PM -0500, Stan Hoeppner wrote:
>>
>> Moral of this story:  Using live CDs to troubleshoot Linux RAID arrays,
>> LVM volumes, dmcrypt, etc, is tricky at best, fraught with disaster at
>> worst.  Always have a "system rescue" CD/DVD built from the particular
>> machine in question at the ready.  Most distros have a facility for
>> building such a per machine boot/rescue CD.  Such media will have the
>> same kernel and module versions, the system's mdadm configuration, and
>> all other system specific stuff needed to properly troubleshoot and repair.
>>
>> If such rescue media had been used the OP would have likely experienced
>> far less grief, and might already had this problem fixed.
> 
> A live CD like grml can properly auto-start a md array. My problem
> came from doing a --create instead of an --assemble at some point.

What did it not auto-start your md array in this case again?

-- 
Stan

  reply	other threads:[~2011-07-11 11:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-06 16:12 dm-crypt over raid6 unreadable after crash Louis-David Mitterrand
2011-07-06 17:00 ` Phil Turmel
2011-07-07  9:05   ` Louis-David Mitterrand
2011-07-07 12:41     ` Phil Turmel
2011-07-07 13:09       ` Louis-David Mitterrand
2011-07-07 13:32         ` Phil Turmel
2011-07-08  5:40           ` Luca Berra
2011-07-10 12:03             ` Louis-David Mitterrand
2011-07-10 12:28               ` Phil Turmel
2011-07-10 23:44                 ` Stan Hoeppner
2011-07-11  7:57                   ` Louis-David Mitterrand
2011-07-11 11:49                     ` Stan Hoeppner [this message]
2011-07-11  7:54                 ` Louis-David Mitterrand

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