Re: grub-install question

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On Mon, 2010-08-30 at 20:04 -0700, JD wrote:
> A friend has a PC with
> windows only on the main boot disk,
> and another windows + F13 on the second disk.
> 
> Because he did not install grub on sda, he can only boot
> windows on sda. Bios boot menu does not allow him to
> select the second disk for booting. Only way he can
> boot second disk is by disabling main disk (sda) in bios,
> and then bios will boot from the second disk.
> 
> Since I do not have such a setup, nor such a PC, I needed
> to find out the following:
> 
> if main disk is disabled in bios, and fedora is booted
> from 2nd disk,  is boot disk named /dev/sda as far as
> Fedora is concerned? Or is it named /dev/sdb ??
> 
> So, now if he wants to use grub-install to iinstall the
> boot loader onto the bios-disabled-drive,
> a- is that drive visible to Fedora?
> b- if it is visible, what will it's name be?
> c- Assuming it is visible and Fedora names it /dev/sdb
>      and he runs:  grub-install --recheck /dev/sdb
> 
> will grub-install attempt to put the grub image files in
> the root directory of /dev/sdb??
> (Note: as explained above, the main boot drive, disabled-in-bios, is all 
> a windows drive).
> I am concerned that grub-install might damage windows.
> 
> 
> 
If one has a F13 DVD one can leave the /dev/sda disk enabled, boot into
Rescue mode and insatall the boot  onto /dev/sda.


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