Re: Question about menu.lst

[giggz <giggzounet@gmail.com>]

Lubomir Rintel a écrit :
> On Sun, 2008-05-04 at 14:10 +0200, giggz wrote:
>> Hi,
>>
>> Sorry If it isn't the right place to post...I don't find a grub users
>> list...
>>
>> I have several kernel on my laptop. Most of them are compiled by myself.
>> But to compare the performance I have an official debian kernel (486).
>> The problem is that official debian kernels are compiled with ide (so
>> hd* device) and my personal jkernel with PATA support (so sd* device).
>> So the root= option is not the same.
>>
>> I would like to define a regle to set root=/dev/hda1 for all the *-486
>> kernels through the  # kopt_*_486=root=/dev/hda1 ro option. But I want
>> to keep the general regle : # kopt=root=/dev/sda1 ro
>> Is there a way to do that ?
> 
> Actually, you might want to use UUID or LABEL of the file system instead
> of device file name.
> 
> You can get or set UUID or label with tune2fs like this:
> 
> # tune2fs -l /dev/sda1		(get information)
> # tune2fs -L root-fs /dev/sda1	(set label)
> 
> And then set a kernel root parameter as follows:
> 
> root=LABEL=my-root-fs
> 

Hi,

thx for your quick answer. my /etc/fstab sill use it. But I have read
that in order to use uuid in the grub menu.lst I must have an
initrd...and in my self-compiled kernels I don't build any initrd...

Cheers

> Hope that helps.
>