# BIOS boot storage configuration (GPT disk label with a BIOS boot partition)

zerombr # Destroy all the contents of disks with invalid partition tables or other formatting unrecognizable to the installer
clearpart --all --initlabel --disklabel=gpt # Erase all partitions, initialize a GPT disk label, and initialize the disk label to the default for the target architecture

part biosboot --fstype="biosboot" --size=2 --label=biosboot # Creates a 2 MiB BIOS boot partition, required to install GRUB on a GPT-labelled disk under legacy BIOS firmware
part /boot --fstype="ext4" --size=2048 --label=boot # Creates a 2048 MiB ext4 boot partition
part / --fstype="ext4" --grow --label=root --mkfsoptions="-O encrypt,fast_commit" # Create a single root partition with the remaining space