104 lines
2.6 KiB
Nix
104 lines
2.6 KiB
Nix
# Hardware configuration for NAS
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# TODO: Update disk labels/UUIDs after installation
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{ config, lib, pkgs, modulesPath, ... }:
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{
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imports = [
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(modulesPath + "/installer/scan/not-detected.nix")
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];
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boot.loader.systemd-boot = {
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enable = true;
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configurationLimit = 5;
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};
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boot.loader.efi.canTouchEfiVariables = true;
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boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" ];
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boot.initrd.kernelModules = [ "dm-snapshot" ];
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boot.kernelModules = [ "kvm-intel" ];
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boot.extraModulePackages = [ ];
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# Power management kernel parameters
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boot.kernelParams = [
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"intel_pstate=passive" # Better with powersave governor
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"i915.enable_rc6=1" # GPU deep sleep states
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"i915.enable_dc=2" # Display C-states (deepest)
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"i915.enable_fbc=1" # Frame buffer compression
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];
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# RAID 1 arrays for data storage
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boot.swraid = {
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enable = true;
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mdadmConf = ''
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DEVICE /dev/disk/by-id/nvme-KIOXIA-EXCERIA_PLUS_G3_SSD_7FJKS1MAZ0E7-part1
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DEVICE /dev/disk/by-id/nvme-KIOXIA-EXCERIA_PLUS_G3_SSD_7FJKS1M9Z0E7-part1
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DEVICE /dev/disk/by-id/ata-TOSHIBA_MG10ACA20TE_8582A01SF4MJ-part1
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DEVICE /dev/disk/by-id/ata-TOSHIBA_MG10ACA20TE_75V2A0H3F4MJ-part1
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'';
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};
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# Tmpfs root filesystem (ephemeral - resets on reboot)
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fileSystems."/" = {
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device = "none";
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fsType = "tmpfs";
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options = [ "size=8G" "mode=755" ];
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};
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# Boot partition - EFI
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fileSystems."/boot" = {
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device = "/dev/disk/by-partlabel/BOOT";
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fsType = "vfat";
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};
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fileSystems."/nix" = {
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device = "/dev/disk/by-partlabel/NIXOS";
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fsType = "btrfs";
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neededForBoot = true;
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options = [
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"subvol=@"
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"compress=zstd:1"
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"noatime"
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"commit=120"
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];
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};
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fileSystems."/nix/store" = {
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device = "/dev/disk/by-partlabel/NIXOS";
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fsType = "btrfs";
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neededForBoot = true;
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options = [
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"subvol=@nix-store"
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"compress=zstd:1"
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"noatime"
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"commit=120"
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];
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};
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fileSystems."/nix/persist" = {
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device = "/dev/disk/by-partlabel/NIXOS";
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fsType = "btrfs";
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neededForBoot = true;
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options = [
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"subvol=@nix-persist"
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"compress=zstd:1"
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"noatime"
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"commit=120"
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];
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};
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# LVM volumes on RAID array
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fileSystems."/var/lib/downloads" = {
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device = "/dev/vg-data-fast/downloads";
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fsType = "ext4";
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};
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fileSystems."/var/lib/multimedia" = {
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device = "/dev/vg-data-slow/multimedia";
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fsType = "ext4";
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options = [ "noatime" ];
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};
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# DHCP networking
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networking.useDHCP = lib.mkDefault true;
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hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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}
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