[nix-book] Update drive UUID

build-liveusb.sh

@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-
-# Build Live USB ISO from flake configuration
-# Creates an uncompressed ISO suitable for Ventoy and other USB boot tools
-
-set -e
-
-echo "Building Live USB ISO..."
-nix build .#nixosConfigurations.live-usb.config.system.build.isoImage --show-trace
-
-if [ -f "./result/iso/"*.iso ]; then
-    iso_file=$(ls ./result/iso/*.iso)
-    echo "✅ Build complete!"
-    echo "📁 ISO location: $iso_file"
-    echo "💾 Ready for Ventoy or dd to USB"
-else
-    echo "❌ Build failed - no ISO file found"
-    exit 1
-fi

flake.nix

@@ -74,22 +74,6 @@
       ];
     };
 
-    # Live USB ISO configuration
-    nixosConfigurations.live-usb = nixpkgs.lib.nixosSystem rec {
-      system = "x86_64-linux";
-      modules = baseModules ++ [
-        ./machines/live-usb/configuration.nix
-        {
-          home-manager.users.nixos = { ... }: {
-            imports = [ ./home/home.nix ];
-            home.username = nixpkgs.lib.mkForce "nixos";
-            home.homeDirectory = nixpkgs.lib.mkForce "/home/nixos";
-          };
-          home-manager.extraSpecialArgs = { inherit system; };
-        }
-      ];
-    };
-
     homeConfigurations."johno" = inputs.home-manager.lib.homeManagerConfiguration {
       pkgs = inputs.nixpkgs.legacyPackages."x86_64-linux";
       modules = [

machines/live-usb/configuration.nix

@@ -1,89 +0,0 @@
-# Live USB ISO configuration for recovery and installation
-{ pkgs, modulesPath, ... }:
-
-{
-  imports = [
-    # Use minimal installation CD as base
-    (modulesPath + "/installer/cd-dvd/installation-cd-minimal.nix")
-  ];
-
-  # Use roles structure for consistent configuration
-  roles = {
-    audio.enable = true;
-    bluetooth.enable = true;
-    desktop = {
-      enable = true;
-      kde = true;
-      x11 = true;
-      wayland = true;
-      sddm = true;
-    };
-  };
-
-  # Allow unfree packages for broader hardware support
-  nixpkgs.config.allowUnfree = true;
-
-  # Essential packages for system recovery and installation
-  environment.systemPackages = with pkgs; [
-    # Text editors
-    neovim
-    nano
-    
-    # System tools
-    git
-    curl
-    wget
-    htop
-    tree
-    lsof
-    strace
-    
-    # Filesystem tools
-    btrfs-progs
-    e2fsprogs
-    xfsprogs
-    ntfs3g
-    dosfstools
-    
-    # Network tools
-    networkmanager
-    wirelesstools
-    
-    # Hardware tools
-    pciutils
-    usbutils
-    smartmontools
-    
-    # Archive tools
-    unzip
-    p7zip
-    
-    # Development tools (for quick fixes)
-    gcc
-    binutils
-  ];
-
-  # Enable NetworkManager for easy wifi setup
-  networking.networkmanager.enable = true;
-  
-  # Enable SSH daemon for remote access
-  services.openssh = {
-    enable = true;
-    settings = {
-      PermitRootLogin = "yes";
-      PasswordAuthentication = true;
-    };
-  };
-
-  # ISO customization
-  isoImage = {
-    volumeID = "NIXOS-LIVE";
-  };
-
-  # Enable some useful services
-  services.udisks2.enable = true; # For mounting USB drives
-
-  # Hardware support
-  hardware.enableAllFirmware = true;
-  hardware.enableRedistributableFirmware = true;
-}

machines/nix-book/configuration.nix

@@ -39,6 +39,14 @@
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
+  # Btrfs deduplication service
+  services.beesd.filesystems = {
+    root = {
+      spec = "/";
+      hashTableSizeMB = 32;  # 128MB per TB recommended, ~225GB = ~32MB
+      verbosity = "err";     # Only show actual problems
+    };
+  };
 
   # Enable networking
   networking.networkmanager.enable = true;

machines/nix-book/hardware-configuration.nix

@@ -10,28 +10,20 @@
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "vmd" "nvme" "sdhci_pci" ];
   boot.initrd.kernelModules = [ ];
-  boot.initrd.luks.devices."luks-4126fbd4-bd09-4ece-af0d-6fff414c21b3".device = "/dev/disk/by-uuid/4126fbd4-bd09-4ece-af0d-6fff414c21b3";
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  roles.btrfs = {
+  fileSystems."/" =
-    enable = true;
+    { device = "/dev/disk/by-uuid/223a44e5-91e2-4272-830e-129166042a1d";
-    filesystems."/dev/disk/by-uuid/223a44e5-91e2-4272-830e-129166042a1d" = {
+      fsType = "btrfs";
-      mountpoints = {
+      options = [ 
-        "/" = {
+        "compress=zstd"  # Enable zstd compression for space savings
-          compression = "zstd";
+        "noatime"        # Don't update access times for performance
-          extraOptions = [ "noatime" ];
+      ];
-        };
-      };
-      scrub.enable = true;
-      deduplication = {
-        enable = true;
-        hashTableSizeMB = 32;
-        verbosity = "err";
-      };
-    };
     };
 
+  boot.initrd.luks.devices."luks-4126fbd4-bd09-4ece-af0d-6fff414c21b3".device = "/dev/disk/by-uuid/4126fbd4-bd09-4ece-af0d-6fff414c21b3";
+
   fileSystems."/boot" =
     { device = "/dev/disk/by-uuid/7A0B-CF88";
       fsType = "vfat";

roles/btrfs/default.nix

@@ -1,168 +0,0 @@
-{ lib, config, pkgs, ... }:
-
-with lib;
-
-let
-  cfg = config.roles.btrfs;
-in
-{
-  options.roles.btrfs = {
-    enable = mkEnableOption "Enable btrfs filesystem management";
-    
-    filesystems = mkOption {
-      type = types.attrsOf (types.submodule {
-        options = {
-          # Filesystem-level maintenance options
-          scrub = {
-            enable = mkOption { 
-              type = types.bool; 
-              default = true;
-              description = "Enable automatic scrubbing for this filesystem";
-            };
-            interval = mkOption { 
-              type = types.str; 
-              default = "weekly";
-              description = "Scrub interval (systemd timer format)";
-            };
-          };
-          deduplication = {
-            enable = mkOption { 
-              type = types.bool; 
-              default = false;
-              description = "Enable beesd deduplication for this filesystem";
-            };
-            hashTableSizeMB = mkOption { 
-              type = types.int; 
-              default = 1024;
-              description = "Hash table size in MB (should be multiple of 16)";
-            };
-            verbosity = mkOption { 
-              type = types.str; 
-              default = "info";
-              description = "Logging verbosity level";
-            };
-          };
-          balance = {
-            enable = mkOption { 
-              type = types.bool; 
-              default = false;
-              description = "Enable periodic balance operations";
-            };
-            interval = mkOption { 
-              type = types.str; 
-              default = "monthly";
-              description = "Balance interval (systemd timer format)";
-            };
-            dataUsage = mkOption { 
-              type = types.int; 
-              default = 50;
-              description = "Data usage threshold for balance";
-            };
-            metadataUsage = mkOption { 
-              type = types.int; 
-              default = 50;
-              description = "Metadata usage threshold for balance";
-            };
-          };
-          
-          # Mountpoint-based configuration
-          mountpoints = mkOption {
-            type = types.attrsOf (types.submodule {
-              options = {
-                subvolume = mkOption { 
-                  type = types.nullOr types.str; 
-                  default = null;
-                  description = "Subvolume name. If null, uses default subvolume.";
-                };
-                compression = mkOption { 
-                  type = types.str; 
-                  default = "zstd";
-                  description = "Compression algorithm (zstd, lzo, lz4, none)";
-                };
-                autodefrag = mkOption { 
-                  type = types.bool; 
-                  default = false;
-                  description = "Enable automatic defragmentation";
-                };
-                extraOptions = mkOption { 
-                  type = types.listOf types.str; 
-                  default = [];
-                  description = "Additional mount options";
-                };
-              };
-            });
-            default = {};
-            description = "Mountpoint configurations for this filesystem";
-          };
-        };
-      });
-      default = {};
-      description = "Btrfs filesystems configuration";
-    };
-  };
-
-  config = mkIf cfg.enable {
-    # Generate fileSystems configuration from mountpoints
-    fileSystems = mkMerge (flatten (mapAttrsToList (device: fsCfg:
-      mapAttrsToList (mountpoint: mountCfg:
-        {
-          ${mountpoint} = {
-            device = device;
-            fsType = "btrfs";
-            options = 
-              (optional (mountCfg.subvolume != null) "subvol=${mountCfg.subvolume}") ++
-              [ "compress=${mountCfg.compression}" ] ++
-              (optional mountCfg.autodefrag "autodefrag") ++
-              mountCfg.extraOptions;
-          };
-        }
-      ) fsCfg.mountpoints
-    ) cfg.filesystems));
-    
-    # Configure scrub service using NixOS built-in
-    services.btrfs.autoScrub = mkIf (any (fs: fs.scrub.enable) (attrValues cfg.filesystems)) {
-      enable = true;
-      interval = "weekly"; # TODO: Make this configurable per filesystem
-      fileSystems = attrNames (filterAttrs (_: fs: fs.scrub.enable) cfg.filesystems);
-    };
-    
-    # Configure beesd for filesystems with deduplication enabled
-    services.beesd.filesystems = mapAttrs' (device: fsCfg: 
-      nameValuePair (replaceStrings ["/"] ["_"] (replaceStrings ["-"] ["_"] device)) {
-        spec = device;
-        hashTableSizeMB = fsCfg.deduplication.hashTableSizeMB;
-        verbosity = fsCfg.deduplication.verbosity;
-      }
-    ) (filterAttrs (_: fs: fs.deduplication.enable) cfg.filesystems);
-    
-    # Custom balance services for filesystems with balance enabled
-    systemd.services = mkMerge (mapAttrsToList (device: fsCfg: mkIf fsCfg.balance.enable {
-      "btrfs-balance-${replaceStrings ["/"] ["-"] (replaceStrings ["-"] ["_"] device)}" = {
-        description = "Balance btrfs filesystem ${device}";
-        script = ''
-          ${pkgs.btrfs-progs}/bin/btrfs balance start \
-            -dusage=${toString fsCfg.balance.dataUsage} \
-            -musage=${toString fsCfg.balance.metadataUsage} \
-            ${device}
-        '';
-        serviceConfig = {
-          Type = "oneshot";
-          Nice = 19;
-          IOSchedulingClass = "idle";
-        };
-      };
-    }) cfg.filesystems);
-    
-    # Balance timers
-    systemd.timers = mkMerge (mapAttrsToList (device: fsCfg: mkIf fsCfg.balance.enable {
-      "btrfs-balance-${replaceStrings ["/"] ["-"] (replaceStrings ["-"] ["_"] device)}" = {
-        description = "Periodic balance for ${device}";
-        wantedBy = [ "timers.target" ];
-        timerConfig = {
-          OnCalendar = fsCfg.balance.interval;
-          Persistent = true;
-        };
-      };
-    }) cfg.filesystems);
-  };
-}

roles/default.nix

@@ -6,7 +6,6 @@ with lib;
   imports = [
     ./audio
     ./bluetooth
-    ./btrfs
     ./desktop
     ./kodi
     ./nfs-mounts