From de3e568c959c0d4e1c3587a4c2e536fbb74a2f2f Mon Sep 17 00:00:00 2001
From: Jordan Holt <jordan@vimium.com>
Date: Sun, 16 Apr 2023 20:48:14 +0100
Subject: [PATCH] Migrate to ZFS on root

---
 hosts/atlas/hardware-configuration.nix | 51 ++++++++++++++++++++------
 1 file changed, 40 insertions(+), 11 deletions(-)

diff --git a/hosts/atlas/hardware-configuration.nix b/hosts/atlas/hardware-configuration.nix
index 9cdd1c4..d5cc8ee 100644
--- a/hosts/atlas/hardware-configuration.nix
+++ b/hosts/atlas/hardware-configuration.nix
@@ -10,22 +10,53 @@
 
   boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" "wl" ];
-  boot.extraModulePackages = [ config.boot.kernelPackages.broadcom_sta ];
+  boot.initrd.supportedFilesystems = [ "zfs" ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.kernelParams = [ "elevator=none" ];
+  boot.extraModulePackages = [ ];
+  boot.supportedFilesystems = [ "zfs" ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/db92d689-50d4-4301-90f9-122aab198e38";
-      fsType = "ext4";
+    { device = "rpool/system/root";
+      fsType = "zfs";
     };
 
-  fileSystems."/boot/efi" =
-    { device = "/dev/disk/by-uuid/0720-9BE0";
+  fileSystems."/home" =
+    { device = "rpool/user/home";
+      fsType = "zfs";
+    };
+
+  fileSystems."/nix" =
+    { device = "rpool/local/nix";
+      fsType = "zfs";
+    };
+
+  fileSystems."/tmp" =
+    { device = "rpool/local/tmp";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var" =
+    { device = "rpool/system/var";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var/log" =
+    { device = "rpool/system/var/log";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var/tmp" =
+    { device = "rpool/system/var/tmp";
+      fsType = "zfs";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/00B2-0384";
       fsType = "vfat";
     };
 
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/fb217be3-c5df-4e70-8032-78bfbe7325cb"; }
-    ];
+  swapDevices = [ ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
@@ -36,6 +67,4 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-  # high-resolution display
-  hardware.video.hidpi.enable = lib.mkDefault true;
 }