{ ... }: { services.btrfs.autoScrub = { enable = true; interval = "weekly"; }; disko.devices = { disk = { main = { device = "/dev/vda"; content = { type = "gpt"; partitions = { ESP = { type = "EF00"; size = "512M"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; mountOptions = [ "umask=0077" ]; }; }; root = { size = "100%"; content = { type = "btrfs"; extraArgs = [ "-f" ]; subvolumes = { # Subvolume name is different from mountpoint "/rootfs" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/"; }; # Subvolume name is the same as the mountpoint "/home" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/home"; }; # Parent is not mounted so the mountpoint must be set "/nix" = { mountOptions = [ "compress=zstd" "noatime" ]; mountpoint = "/nix"; }; # Subvolume for the swapfile "/swap" = { mountpoint = "/.swapvol"; swap = { swapfile.size = "8G"; }; }; }; }; }; }; }; }; }; }; }