RE: booting an external disk via grub

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Thanks a lot to all who replied.
The OS on the USB stick is Minix3 - not a Linux.
So, it is not clear what I need to copy from the Minix
to the boot directory of my Fed 7.

I guess I need to ask this question of the Minix users list
to see if anyone of them has booted Minix3 via Grub.

Thanx,

JD

----------------------------------------
> From: ja@xxxxxxxxxx
> To: fedora-list@xxxxxxxxxx
> Date: Sat, 1 Mar 2008 09:25:43 +0000
> Subject: Re: booting an external disk via grub
> 
> 
> On Fri, 2008-02-29 at 20:02 -0800, Markus Kesaromous wrote:
>> Since my bios does not support booting from a USB stick,
>> how can I modify my grub, so that it will boot from memory stick.
>> My main internal (laptop) drive has 1indows in partition 1
>> and Fedora 7 in partition 2. Grub  lets me select either linux
>> or windows. But any external bootable device connected
>> to the laptop either via usb or sata (cardbus) is totally invisible
>> to bios and to grub.
>> So, my question to the list is: What should be added to grub
>> menus so that it can boot from external device?
>> Could someone show a grub entry example of booting
>> an external device that is invisible to BIOS?
>> What about the OS on the external disk that we are trying to boot?
>> Is there something that needs to be done to it so that the id
>> it assigns to itself is same as that assigned to it by grub?
>> (i.e such as hd0 or hd1, ...etc).
>> 
>> Thanx for your help.
> 
> Hi
> 
> I haven't actually done this ... only something similar !!!!
> 
> 1. Make sure your USB stick partitions are labelled uniquely, just makes
> life easier. (/etc/fstab on the stick must match)  /root_stick say for
> root partition
> 
> 2. Copy the kernel and initrd from you stick to your F7 /boot directory
> - obviously check the stick file names are unique. vmlinuz_stick,
> initrd_stick say.
> 
> 3. The "F7" grub entry for the stick can then look something like
> 
> root (hdx,y)		The same as your F7 entry
> kernel /boot/vmlinuz_stick ro root=LABEL=/root_stick
> initrd /boot/initrd_stick
> 
> Alternatives ...
> Using F8 I have managed to boot an external "BIOS invisible" USB stick
> 1	grub on a CD
> 2	syslinux on a second USB stick
> 
> John
> 
> 
> 
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