{ disks ? [ "/dev/sda" ], ... }: { boot.supportedFilesystems = [ "bcachefs" ]; disko.devices = { disk = { vdb = { device = builtins.elemAt disks 0; type = "disk"; content = { type = "table"; format = "gpt"; partitions = [ { name = "ESP"; start = "1MiB"; end = "500MiB"; bootable = true; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; } { name = "root"; start = "500MiB"; end = "100%"; part-type = "primary"; content = { type = "filesystem"; format = "btrfs"; mountpoint = "/"; }; } ]; }; }; }; }; }