Scott was right when he wrote:

> It seems there is a grub component of this bug also, to make grub
> correctly identify the 'abstraction' of multipath and auomatically
> set GRUB_DEVICE=/dev/disk/by-uuid/multipath-UUID rather than
> UUID=

I understand that curtin has been working around grub's behavior by
manually setting GRUB_DISABLE_LINUX_UUID=true; this is a bad solution,
grub-probe / update-grub should themselves detect that the root target
is a multipath disk and automatically ensure the correct device name is
used instead of the UUID.

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => High

** Changed in: grub2 (Ubuntu)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1429327

Title:
  Boot from a unique, stable, multipath-dependent symlink

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