{ disks ? [ "/dev/vdb" ], ... }: { disko.devices = { disk = { vdb = { type = "disk"; device = builtins.elemAt disks 0; content = { type = "gpt"; partitions = { ESP = { priority = 1; name = "ESP"; start = "1M"; end = "128MiB"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; }; root = { size = "100%"; content = { type = "btrfs"; extraArgs = [ "-f" ]; # Override existing partition subvolumes = { # Subvolume name is different from mountpoint "/rootfs" = { mountpoint = "/"; }; # Mountpoints inferred from subvolume name "/home" = { mountOptions = [ "compress=zstd" ]; }; "/nix" = { mountOptions = [ "compress=zstd" "noatime" ]; }; "/test" = { }; }; }; }; }; }; }; }; }; }