• some said booting is one stage, because all bootloader code is in a dedicated EFI boot partition. Is that true?

  • Does that mean I can move any partition (even if Lubuntu is installed on it), and still can boot, without having to do anything with bootloader?


  • 1. Define stage. 2. You have to ensure your firmware can still find your UEFI partition, ie, partition with partition type C12A7328-F81F-11D2-BA4B-00A0C93EC93B – 炸鱼薯条德里克 Feb 28 at 0:13
  • (1) Two stag booting: MBR of boot disk -> boot sector of a partition. Three state booting: MBR of boot disk -> some sector following MBR of boot disk -> boot sector of a partition. One stage booting: EFI boot partition? (2) I move my / partition. Do you imply moving / partition also moves EFI boot partition? – Tim Feb 28 at 0:17
  • (1) Definition is not an example. UEFI firmware runs grubx64.efi, which needs to load other grub modules. You've been told about concepts, I'm not gonna say it again.(2)No. UEFI firmware find your ESP by its partition type in GPT. I assume you've known GPT structure. – 炸鱼薯条德里克 Feb 28 at 1:26
  • You might enjoy rodsbooks.com/efi-bootloaders/principles.html; basically "yes, there are no block-related ties but rather filesystem-related ones, as long as you use e.g. UUIDs you should be able to move partitions, maybe excluding ESP". – Michael Shigorin Feb 28 at 13:30

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