В Tue, 21 Jan 2014 09:03:52 +0100
Vladimir 'φ-coder/phcoder' Serbinenko phco...@gmail.com пишет:
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.
Sure, but I would rather avoid aborting on the first error and continue
to install to further locations if possible. That was easy with shell
utilities but became less though today.
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