On Mon, Jan 3, 2011 at 4:15 AM, Ned Slider <ned at unixmail.co.uk> wrote: > You don't need to upgrade grub, I'm quite happily dual booting rhel6 GA > on a CentOS-5 system (using C-5 GRUB). > > Only thing I did differently is the rhel6 /boot partition is mounted on > an ext3 partition whereas I _think_ the default might be ext4 which, as > a wild guess, is probably unsupported by CentOS-5 GRUB ? > > The rest of the system is quite happily sitting in an ext4 partition > using md raid on lvm. Hi Nick, Thanks for writing back. I'm using ext3 also. Is it possible to see your RHEL 6 grub entry? Did you install grub on the RHEL boot partition and use a chainloader, or were able to just do a normal entry? Again,t hanks for any ponters. -- RonB -- Using CentOS 5.5