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From: Neil Brown <neilb@suse.de>
To: Federico <undicizeri@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: mdadm raid1 stops to work after kernel panic
Date: Tue, 6 May 2008 12:50:01 +1000	[thread overview]
Message-ID: <18463.51033.969459.795526@notabene.brown> (raw)
In-Reply-To: message from Federico on Monday May 5

On Monday May 5, undicizeri@gmail.com wrote:
> >  What happens if you:
> >   mdadm -S /dev/md2
> >   mdadm -A /dev/md2 /dev/sda1 /dev/sdc1
> 
> root@persifae:~#mdadm -S /dev/md2
> mdadm: stopped /dev/md2
> root@persifae:~#mdadm -A /dev/md2 /dev/sda1 /dev/sdc1
> mdadm: failed to add /dev/sdc1 to /dev/md2: Invalid argument
> mdadm: /dev/md2 assembled from 0 drives - not enough to start the array.

Ahhh... They have a different "preferred minor".  Presumably when you
tried to boot with the wrong grub parameters it tried to assemble the
array as /dev/md0 instead of /dev/md2.

You can fix with:

  mdadm -A /dev/md2 /dev/sdc1
  mdadm /dev/md2 -a /dev/sda1

NeilBrown

  reply	other threads:[~2008-05-06  2:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-05  6:47 mdadm raid1 stops to work after kernel panic Federico
2008-05-05  9:32 ` NeilBrown
     [not found]   ` <26c008d70805050256q65972fa7jb86c6d5254828fc1@mail.gmail.com>
2008-05-05 11:41     ` NeilBrown
2008-05-05 12:09       ` Federico
2008-05-06  2:50         ` Neil Brown [this message]
2008-05-06  5:46           ` Federico

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