So, "dpkg-reconfigure grub-efi-amd64" now has a screen that matches what
we'd get reconfiguring the old grub-pc:
┌──────────────────────┤ Configuring grub-efi-amd64 ├───────────────────────┐
│ The grub-efi package is being upgraded. This menu allows you to select │
│ which EFI system partions you'd like grub-install to be automatically │
│ run for, if any. │
│ │
│ Running grub-install automatically is recommended in most situations, to │
│ prevent the installed GRUB core image from getting out of sync with GRUB │
│ modules or grub.cfg. │
│ │
│ GRUB EFI system partitions: │
│ │
│ [*] /dev/sda1 (199 MB; /boot/efi) on 120034 MB INTEL_SSDSC2BW12 │
│ │
│ │
│ <Ok> │
│ │
└───────────────────────────────────────────────────────────────────────────┘
I'll test with a system with two ESPs later, but this ought to do the right
thing. You'll need one entry for each, just as you would with an old-meta-
data MD-RAID1 used as an ESP, but as vorlon's noting, this will be a little
safer in the face of UEFI firmware that writes stuff to the drives.
It'd be something like:
efibootmgr -c -d /dev/sda -L ubuntu0 -l '\EFI\UBUNTU\SHIMX64.EFI'
efibootmgr -c -d /dev/sdb -L ubuntu1 -l '\EFI\UBUNTU\SHIMX64.EFI'
This is a win, and I have no further desire for direct MD-RAID 1
support.
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https://bugs.launchpad.net/bugs/1868553
Title:
libefi* integration breaks grub-install on MD devices
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