USB drive install

[Mikkel L. Ellertson]

Bill Davidsen wrote:
> Mikkel L. Ellertson wrote:
>>
>> You can also add a chainload from the Grub config in sda to load the 
>> Grub install on the USB drive. You will have to remap the drive as 
>> part of the stanza so that the USB drive becomes BIOS drive 0.
>>
>> title USB boot
>>     map (hd0) (hd1)
>>     map (hd1) (hd0)
>>     chainload (hd0)
>>
> Thank you for the words of wisdom Mikkel and Mike. I have to think about 
> this a bit, because I have installed (on a server) FC8 (32 bit) on one 
> drive and 64 bit on another, using the 32 bit sda MBR and boot partition 
> and just pointing to the sdb boot from the boot partition on sda. But I 
> will be careful not to botch the existing install, and if it doesn't 
> work as expected I'll play with the remap. My plan is to get the FC9 
> boot by just manually selecting an alternate stanza of the grub.conf, 
> but if that doesn't work I know what to try next.
> 
On your setup, you will have to change things slightly - my stanza 
was for a system having only one drive. For you, you would need:

title USB boot
      map (hd0) (hd2)
      map (hd2) (hd0)
      chainload (hd0)

You also have the option of telling the BIOS to boot from the USB 
drive...

Mikkel
-- 

   Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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