On 13.01.2014 07:12, Andrey Borzenkov wrote: > On Mon, Jan 13, 2014 at 9:53 AM, Chris Murphy <li...@colorremedies.com> wrote: > >> There are other problems with Fedora that prevent this from being usable >> now, including grubby which can't update grub.cfg during kernel updates, >> when /boot is on a Btrfs subvolume. So I have no present implementation, >> it's a question how to boot from Btrfs raid1 in the future, and have as >> little duplicative efforts as possible. Also, my argument is that if a GUI >> installer permits the user to create bootable raid1, that it should also >> properly configure all drives, and the static ESP grub.cfg, to make the >> system bootable. Otherwise the user has to do this manually which requires >> esoteric knowledge beyond most users. If the system really isn't bootable in >> the face of a disk failure, then I think a GUI installer shouldn't even >> offer bootable raid1 (Btrfs or otherwise) as an option. > > openSUSE supports /boot on RAID1 and will simply run grub-install for > each device (it limits bootloader location to MBR in this case). This > can be optimized of course noticing that you need to create image just > once, but it works. Same can be used in case of btrfs. >
> I'd like to have some more generic case of having several boot block > locations independently on RAID (effectively grub-install /dev/sda > /dev/sda3 /dev/sdb ...); grub-install part looks more or less > straightforward, You need to be careful with root_dirve == boot_drive check in this case. You may have to create 2 images if this supposition is true for some locations but not all. > but modifying grub-setup part is more challenging. > It should invoke stup part several times. > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel >
signature.asc
Description: OpenPGP digital signature
_______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
