On 5/26/25 12:28 PM, Peter Boy Uni wrote:
On a UEFI boot system you need a dedicated EFI partition with a EFI file system (it has a dedicated partition id) because the system firmware looks for that id and the specific file system. even if there was enough space. Fedora currently needs grub2 to boot the system. It must not use the EFI partition, even if there was enough space. In Fedora boot-up system, grub2 needs its own partition, traditionally with ext4, but meanwhile, xls also works. Technically, it could share the partition with the system and does not need its own. Many distributions work this way. Fedora might work that way, too. However, it is neither recommended nor supported. And it may result in unexpected errors. So it is best to keep it in its own partition.
Grub can also use /boot as part of / on btrfs. That's the configuration I'm using. It's not the default, but it has never given me any issues.
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