Thank you for the reply. I had read a number of articles on this which
put me off trying that option and implied rather clumsy solutions which
was why I raised the request. However, I have now tried it and barring
one problem it works and I can boot off either disk.
The problem occurred when I
Looks like grub-install got confused by the raid and failed to pass the
proper device to efibootmgr.
** Changed in: grub2 (Ubuntu)
Importance: Undecided = Low
** Changed in: grub2 (Ubuntu)
Status: Invalid = Triaged
** Summary changed:
- Feature request: For EFI system grub-install
Choice of filesystem has nothing to do with raid. You can put any FAT32
partition, including the ESP, on a raid1 if you want. You just need to
make sure to use md format 0.9 or 1.0 instead of 1.1 or 1.2 so the
firmware will still recognize it.
** Changed in: grub2 (Ubuntu)
Status: New =
