The changing Fedora

[Kevin Fenzi]

On Tue, 22 Jan 2013 13:35:20 +0000
Matthew Saltzman <mjs at clemson.edu> wrote:

> On Tue, 2013-01-22 at 04:28 -0700, T.C. Hollingsworth wrote: 
> > On 1/22/13, Cristian Sava <csava at central.ucv.ro> wrote:
> > > and grub2 for dual boot ... "Beginning in Fedora 18, GRUB2 can no
> > > longer be installed to a partition."
> > > http://docs.fedoraproject.org/en-US/Fedora/18/html/Installation_Guide/s1-grub-installing.html
> 
> > *anaconda* won't install GRUB2 to a partition.  You can still
> > accomplish it with `grub2-install --force`.
> 
> > -T.C.
> 
> But is there some danger associated with doing this as part of an
> upgrade?  If not, why was the option removed from Anaconda?

Yes, there is a danger. 
See: https://bugzilla.redhat.com/show_bug.cgi?id=872826#c19

"The problem is ext4's boot sector is only 512 bytes, which is not
enough space. The use of --force fragments GRUB, and installs the
pieces into free space without informing the file system. At any future
time the file system can step on any one of those block lists and
render the system unbootable."

kevin
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