{ ... }:
{
    # Mount arch linux partition (encrypted with keyfile at NixOS /root/keyfiles/arch.key)
    fileSystems."/mnt/arch" = {
        device = "/dev/mapper/arch";
        fsType = "btrfs";
        encrypted = {
            enable = true;
            blkDev = "/dev/disk/by-uuid/60b6f21d-85b2-4d4b-90f4-38612138eeec";
            keyFile = "/sysroot/root/keyfiles/arch.key";
            label = "arch";
        };
    };
}