В Sat, 03 Nov 2012 23:37:41 +0100 Ulf Zibis <[email protected]> пишет:
> Am 03.11.2012 18:05, schrieb Andrey Borzenkov: > > core.img is the part that is installed in MBR gap, but it does not > > mean that it was this particular file. grub-install creates core.img > > in /boot/grub and embeds it in the same run, but it is also > > possible to directly use > > > > grub-mkimage -o /tmp/foo.img ... > > grub-bios-setup -c /tmp/foo.img ... > > > > You wanted to be absolutely safe and sure. The only way to be is to > > reinstall grub using grub-install. > > You mean, after I would have shrinked th MBR gap? No, before. Then you can be more or less sure it is the same file. > That's the problem! > What will happen, if the gap is too small? grub-install will complaint and the only possibility will be to use block list (i.e. point boot sector directly to core.img on filesystem). > For that reason I *before* wanted to know how much space is needed. > To be honest, I do not understand what your goal is. > I tried: > your bootinfoscript > --> bootinfoscript.txt > your findgrub > --> findgrub.txt > Ubuntu's boot_info_script from Ubuntu Software Center > --> RESULTS.txt > > As you can see in the attachment, none of these provided the size of > the used bytes in MBR gap :-( > Yes, you are right. Hmm ... may be something to add. But it is not that trivial, it may also not be contiguous. Although I am not that sure how useful this information really is. _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
