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From: Glynn Clements <glynn@gclements.plus.com>
To: Alex <mysqlstudent@gmail.com>
Cc: linux-admin@vger.kernel.org
Subject: Re: Compiling 2.6 kernel questions
Date: Sat, 28 Nov 2009 00:27:07 +0000	[thread overview]
Message-ID: <19216.28251.587983.714449@cerise.gclements.plus.com> (raw)
In-Reply-To: <55e03a0a0911261718i5f02f8d6ke40f2143e5afc918@mail.gmail.com>


Alex wrote:

> > The error message:
> >
> >        VFS: Can't mount root unknown-block(9,1)
> >
> > indicates that the kernel is trying to mount /dev/md1 directly (device
> > 9:1 is /dev/md1), which won't work if the md driver is a module (even
> > if the md driver is built in, this won't work if the array needs
> > user-space configuration before it can be mounted).
> 
> I remember using lilo in the past to boot from RAID partitions, no?
> Isn't that why lilo writes the bootsector of both disks in a mirror?

You can do it, but without initrd, it requires that the kernel can
auto-configure the RAID array, and that the md driver is built-in.

-- 
Glynn Clements <glynn@gclements.plus.com>
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      reply	other threads:[~2009-11-28  0:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-24 23:18 Compiling 2.6 kernel questions Alex
2009-11-25  4:07 ` Glynn Clements
2009-11-25  5:00   ` Alex
2009-11-25  9:02     ` Glynn Clements
2009-11-25 18:24       ` Alex
2009-11-25 22:51         ` Glynn Clements
2009-11-25 23:32           ` Alex
2009-11-26  4:35             ` Glynn Clements
2009-11-27  1:18               ` Alex
2009-11-28  0:27                 ` Glynn Clements [this message]

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