On Tue, Mar 28, 2017 at 08:59:30PM +0300, Andrei Borzenkov wrote: >28.03.2017 09:34, Peter Palfrader пишет: >> } /dev/md2 953M 176K 953M 1% /boot/efi > >Sorry, that's not going to work. Even assuming that grub can map from >Linux MD to underlying physical device + partition (as that is what >efibootmgr needs, we cannot simply pass /dev/md2 to it), this will >obviously fail unless metadata is 0.90 or 1.0 (and current mdadm default >is 1.2). And even if you are careful enough - EFI application is free to >write to ESP, so unless you have EFI driver for Linux MD it is no go to >try to mirror it, as you are never sure whether mirrors are identical >after boot. And if you have EFI driver for Linux MD you need to modify >efibootmgr to understand it.
ACK, good catch. >We need to return better error message here to explain what happens >though, that's the actual bug. > >The (IMHO) correct way to handle ESP redundancy is to call "grub-install >/path/to/first/ESP /path/to/second/ESP". I have half-finished patch >allowing this, but it will need distributions cooperation to actually be >useful. More than happy to help with that - it's something I've been wanting for a while. -- Steve McIntyre, Cambridge, UK. st...@einval.com "I used to be the first kid on the block wanting a cranial implant, now I want to be the first with a cranial firewall. " -- Charlie Stross _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
