On 08/13/2016 11:31 AM, Gordon Messmer wrote:
Anaconda will install grub2 to each component device for BIOS boot on RAID levels 0, 1, 4, 5, 6, and 10. Under EFI, only RAID1 is supported.
https://github.com/rhinstaller/anaconda/blob/master/pyanaconda/bootloader.py