linux-kernel - Re: Please add generic support for root=UUID= at kernel parameter command line (LABEL, BYID maybe also)

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Date:	Thu, 26 Aug 2010 17:32:41 +0200
From:	Eric Valette <Eric.Valette@...e.fr>
To:	Phil Turmel <philip@...mel.org>
CC:	linux-kernel@...r.kernel.org, Florian Mickler <florian@...kler.org>
Subject: Re: Please add generic support for root=UUID= at kernel parameter
 command line (LABEL, BYID maybe also)

On 08/23/2010 11:56 PM, Phil Turmel wrote:
> (Adding cut CC...  sorry about the duplicate)
>
> Hi Eric,

Hi Phil

I found a solution myself using the grub embedded "search --fs-uuid". I 
do it once the linux boot partition and also on one partition of the 
external disk. If the search on the external disk report an error, I 
know root=/dev/sda1 else root=/dev/sdb1. But I really think this should 
be linux job!

I also converted my /etc/fstab to LABEL=foo /foo syntax.

Now I'm really puzzled grub2 as a "search by fs uuid" command that linux 
is unable to deliver for the root device!

I have seen read hat patch for supporting this feature ext2 as early as 
in 1999!

-- eric

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