linux-kernel - Re: let md auto-detect 128+ raid members, fix potential race condition

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Date:	Tue, 01 Aug 2006 00:33:04 -0300
From:	Alexandre Oliva <aoliva@...hat.com>
To:	Neil Brown <neilb@...e.de>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	linux-raid@...r.kernel.org
Subject: Re: let md auto-detect 128+ raid members, fix potential race condition

On Jul 31, 2006, Alexandre Oliva <aoliva@...hat.com> wrote:

>> mdadm --assemble --scan --homehost='<system>' --auto-update-homehost \
>> --auto=yes --run

>> in your initrd, having set the hostname correctly first.  It might do
>> exactly what you want.

> I'll give it a try some time tomorrow, since I won't turn on that
> noisy box today any more; my daughter is already asleep :-)

But then, I could use my own desktop to test it :-)

FWIW, here's the patch for Fedora rawhide's mkinitrd that worked for
me.  I figured even without --homehost it worked fine, even without
HOMEHOST set in mdadm.conf.

I hope copying mdadm.conf to initrd won't ever hurt, can you think of
any case in which it would?


View attachment "mkinitrd-mdadm.patch" of type "text/x-patch" (650 bytes)


-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
Secretary for FSF Latin America        http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@...dhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@...d.ic.unicamp.br, gnu.org}