From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <htejun@gmail.com>
Subject: Re: Test feedback 2.6.17.4+libata-tj-stable (EH, hotplug)
Date: Tue, 11 Jul 2006 11:52:16 +0900
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To: Christian Pernegger <pernegger@gmail.com>
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Christian Pernegger wrote:
> The fact that the disk had changed minor numbers after it was plugged
> back in bugs me a bit. (was sdc before, sde after). Additionally udev
> removed the sdc device file, so I had to manually recreate it to be
> able to remove the 'faulty' disk from its md array.

That's because md is stilling holding onto sdc in failed mode.  A 
hotplug script which checks whether a removed device is in md array and 
if so removes it from the array will solve the problem.  Not sure 
whether that would be the correct approach though.

Thanks.

-- 
tejun