Created attachment 996708 [details] anaconda.log Description of problem: Existing partition /dev/sda4 from Fedora 21 installation; Manual Partitioning lets me think I can reuse it by assigning it to /boot/efi without reformatting, but back at the main menu I can't begin the installation due to a storage configuration error. No valid boot loader target device found. See below for details. For a UEFI installation, you must include an EFI System Partition on a GPT-formatted disk, mounted at /boot/efi. Back in Manual Partitioning, clicking on /boot/efi and checking reformat as Linux HFS+ ESP fixes the problem. Version-Release number of selected component (if applicable): anaconda 22.20.1-1 python-blivet-1.0-1.fc22 How reproducible: Always Steps to Reproduce: 1. Install Fedora to a Mac. 2. Try to reinstall Fedora to a Mac reusing existing HFS+ EFI System partition without reformatting it (which isn't required for FAT32 ESPs). Actual results: Can't be done. No valid boot loader target device found. See below for details. For a UEFI installation, you must include an EFI System Partition on a GPT-formatted disk, mounted at /boot/efi. Expected results: Should be possible to reuse it. Additional info:
Created attachment 996709 [details] storage.log
Created attachment 996710 [details] program.log
The problem is that the /boot/efi/ mountpoint didn't have the 'Linux HFS+ ESP' label on it, so it was rejected. In order to make sure reuse works correctly it needs to be created with that label.