Re: How many sectors for GRUB 2

[Ulf Zibis]

Am 03.11.2012 15:46, schrieb Andrey Borzenkov:
> В Sat, 03 Nov 2012 15:23:41 +0100
> Ulf Zibis <address@hidden> пишет:
>
> > Aha, so does that mean, that the bytes in the hidden sectors are
> > always a 100 % copy of /boot/grub/core.img ?
> Not quite, grub2 will modify some fields inside it when it is written
> to disk. But it should not change size of it.

Thanks!

> > 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

-Ulf