linux-kernel - Re: kernel cmdline: root=/dev/sdb1,/dev/sda1 "fallback"?

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Message-ID: <45AE2AF3.5070706@wpkg.org>
Date:	Wed, 17 Jan 2007 14:56:03 +0100
From:	Tomasz Chmielewski <mangoo@...g.org>
To:	Alon Bar-Lev <alon.barlev@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: kernel cmdline: root=/dev/sdb1,/dev/sda1 "fallback"?

Alon Bar-Lev wrote:
> On 1/17/07, Tomasz Chmielewski <mangoo@...g.org> wrote:
>> Does this make sense?
> 
> Why not add this logic into your initramfs?

Because the kernel itself is on a small flash partition (RedBoot 
executes the kernel from /dev/mtd1), which is only 1572864 bytes big.

So it leaves me only about 300 kB left (kernel is about 1.2 MB) for all 
tools needed to script such a logic, and it includes all the tools I 
would need.
Another obstacle would be to place the initramfs image on the same 
partition as the kernel (normally, I dd kernel to /dev/mtd1).

Or perhaps, I don't understand initramfs correctly.

-- 
Tomasz Chmielewski
http://wpkg.org

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