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ReaR が "ERROR: Failed to make bootable EFI image of GRUB2 (error during grub2-mkstandalone ...)" メッセージを表示して失敗する

Solution Verified - Updated -

Issue

  • UEFI システムでレスキュー ISO を作成すると、rear mkrescue (または rear mkbackup) は、以下のエラーメッセージを表示して失敗します。

    ERROR: Failed to make bootable EFI image of GRUB2 (error during grub2-mkstandalone of ...)
  [...]
  grub2-mkstandalone: error: /usr/lib/grub/x86_64-efi/modinfo.sh doesn't exist. Please specify --target or --directory.

Environment

  • Red Hat Enterprise Linux 7 以降
    • rear
    • UEFI

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