Re: Having the configuration file embedded into core.img look for the grub partition by its label

[Andrei Borzenkov]

В Tue, 23 Sep 2014 10:11:21 +0200
Arbiel Perlacremaz <address@hidden> пишет:

> Having the grub directory on the external device is not what I'm looking
> for.
> 
> I indeed use several external devices and I've installed GRUB on each of
> them so that it is always available, whatsoever my configuration is. To
> avoid confusion when updating GRUB, all my fstab files mount a unique
> directory, always the same, on /boot/grub. This is the reason why I want
> GRUB on my hard drive.
> 

Well, use grub-mkimage then; you are completely free in adding your own
embedded config file.

> 
> Le 23/09/2014 01:09, Vladimir 'φ-coder/phcoder' Serbinenko a écrit :
> > On 22.09.2014 22:49, Arbiel Perlacremaz wrote:
> >> Hi
> >>
> >> A way I'm using to avoid any Window's reinstallation to overwrite GRUB
> >> in a multiboot environment is to install the later on the MBR of a USB
> >> key. That way, when booting with no key pluged, the PC boots into
> >> Windows and when booting with the key pluged, the PC boots according to
> >> the choice of the user in the grub menu's.
> >>
> >> I do locate the grub.cfg file in a partition of the internal hard drive.
> >> In such a situation, grub-install embeddes a config file which reads
> >> something like
> >>
> >>     search.fs_uuid 367C9BBD7C9B75F9 root hd0,msdos1
> >>     set prefix=($root)'/'
> >>
> >> This is great.
> >>
> >> However, any undesired modification by any piece of software of the
> >> partition's uuid will prevent GRUB to find it and lead to a boot
> >> failure. As the Windows partition is less prone to such modifications as
> >> Linux partitions, I do locate the grub.cfg file in that Windows
> >> partition. However it would be more straightforward to locate the file
> >> into a Linux partition, and to have grub search this partition by its 
> >> label.
> >>
> >> How could this be done ? If this can't presently be done, can it be
> >> included in a future grub release ?
> > use --boot-directory to place all files on usb stick and make it load
> > any other grub.cfg you might want.
> >> Regards
> >>
> >> Arbiel
> >>
> >> _______________________________________________
> >> Grub-devel mailing list
> >> address@hidden
> >> https://lists.gnu.org/mailman/listinfo/grub-devel
> >>
> >
> >
> >
> > _______________________________________________
> > Grub-devel mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/grub-devel
> 
> 
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