Public bug reported:
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
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Affects: grub2 (CentOS)
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
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