{ disks ? [ "/dev/vdb" ], ... }: { disko.devices = { disk = { vdb = { type = "disk"; device = builtins.elemAt disks 0; content = { type = "table"; format = "gpt"; partitions = [ { name = "ESP"; start = "1MiB"; end = "128MiB"; fs-type = "fat32"; bootable = true; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; } { name = "root"; start = "128MiB"; end = "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" ]; }; }; }; } ]; }; }; }; }; }