Re: How to boot a USB drive from a CD ?

[Chip Panarchy]

Seems to be what you want;
http://forums.whirlpool.net.au/forum-replies-archive.cfm/843532.html

On Thu, May 14, 2009 at 10:36 PM, Serge Noiraud <address@hidden> wrote:
> Hi,
>
> My problem is exactly like below :
>
> I plug a usb device on a bootable usb machine.
> The BIOS see 4 disks on the usb drive ( LUNs )
> The first one is a linux distribution.
> The second one is another linux distribution.
> The third is a XP and the fourth is Vista.
>
> When I select one of them with the F8 key at boot, it works.
>
> When I am on a machine without usb boot possibility, I would like to boot
> from a CD.
>
> I tried many things, but impossible to do that.
>
> For example, if I have :
>
> LUN 1 : 2008
> rootnoverify (hd1,1)
> configfile (hd1,1)/grub/menu.lst
>
> This doesn't work.
> I load menu.lst but all references in menu.lst are from hd0.
> I am on hd1, so I can't boot.
>
> If I use ( I would like to use this ) :
>
> LUN 1 : 2008 with mapping
> rootnoverify (hd1,1)
> map (hd0) (hd1)
> map (hd1) (hd0)
> chainloader +1
>
> In this case, I get : GRUB Loading stage2...
> I'm always waiting for my menu.lst
>
> So I'm looking for one solution which could be :
> really map hdx to hd0 for grub to works correctly.
> or a method to really hide hd0.
>
> Is this possible ? with grub ? with grub2 ?
> Do you have one solution ?
>
> I never saw one solution for this on google.
>
> --
> Serge Noiraud
>
> Linux, c'est mieux. Firefox, c'est mieux. OpenOffice, c'est mieux.
>
> Développeur projet : http://www.gramps-project.org/
>
>
>
>
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/grub-devel
>