linux-kernel - Re: (stupid) how to specify the root-device via kernel parameters

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Message-ID: <20100626134638.GQ6843@thunk.org>
Date:	Sat, 26 Jun 2010 09:46:38 -0400
From:	tytso@....edu
To:	Christoph Anton Mitterer <calestyo@...entia.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: (stupid) how to specify the root-device via kernel parameters

On Sat, Jun 26, 2010 at 01:59:09PM +0200, Christoph Anton Mitterer wrote:
> 
> My question:
> These are intended (especially root/nfsroot) to really name the device,
> on which the filesystem directly lays, right?
> E.g. if the ext4-root-fs is on /dev/sda1,... => root=/dev/sda1
> 
> I've seen several initramfs scripts (which I'd like to fix),... where
> people abuse this or misuse this in setups where a root-fs is used on
> multi-stacked block layers (e.g. something like disk->lvm->dm-crypt->fs)

Abuse this how?  What do you think is "wrong"?

							- Ted
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