On 2024-03-13, Gareth Evans wrote: > That suggests perhaps something to do with an FS UUID, but it doesn't seem to > appear in the output of any of > > # blkid
Here I have them shown as UUID by blkid # grep root /boot/grub/grub.cfg ... search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2 --hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2 5210342e-548e-4c4d-a0e9-a5f6d13888d6 ... # blkid|grep -i 5210342e /dev/sdb2: UUID="5210342e-548e-4c4d-a0e9-a5f6d13888d6" ... hint-bios=hd0,gpt3 suggests its your 3rd partition on your first disk. Do you use raid ?