[Bug 1817713] Re: Grub2 does not detect MD raid (level 1) 1.0 superblocks on 4k block devices

[JulietDeltaGolf]

** Bug watch added: Red Hat Bugzilla #1443144
   https://bugzilla.redhat.com/show_bug.cgi?id=1443144

** Also affects: grub2 (CentOS) via
   https://bugzilla.redhat.com/show_bug.cgi?id=1443144
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1817713

Title:
  Grub2 does not detect MD raid (level 1) 1.0 superblocks on 4k block
  devices

Status in grub2 package in Ubuntu:
  New
Status in grub2 package in CentOS:
  Unknown

Bug description:
  grub-install will fail if the /boot partition is located on a MD raid
  device level 1 backed by 4k sectorsize devices, NVMe drives in my
  case.

  Steps to Reproduce:

  1°) Create a raid1 with 1.0 superblock with two 4k sectorsize devices
  2°) Create a partition for /boot and format it FAT32
  3°) Mount /boot
  4°) grub-install complains about not be being able to find the mduuid device

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