В Sat, 03 Nov 2012 16:38:04 +0100
Ulf Zibis <[email protected]> пишет:

> >> So if I shrink the gap before 1st partition to a size, bigger than
> >> core.img, I'm save not having damaged GRUB 2 installation?
> >>
> > Well ... are you absolutely sure it is exactly the same core.img
> > that was used during grub installation?
> 
> No, I'm absolutely unsure. That's why I'm asking here on the list. My
> question in little other words: How to dertermine, how many bytes of
> the gap between MBR and 1st partition are used by GRUB 2, so should
> not be deleted or shrinked or used otherwise
> 


You could try findgrub
http://www.unixversal.com/linux/openSUSE/findgrub-4.4.1.tgz and/or
bootinfoscript
(https://github.com/arvidjaar/bootinfoscript/blob/master/bootinfoscript
- I point to my repo because SF variant did not work with GRUB2 we
  have here on openSUSE). Both scripts scan disks for bootloaders.

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