From cffd1ca1dee075becdf91dae1a6bafa0ee072964 Mon Sep 17 00:00:00 2001
From: Mathias Magnusson <mathias@magnusson.space>
Date: Sun, 23 Nov 2025 19:13:40 +0100
Subject: add zfs

---
 configuration.nix |   1 +
 disko.nix         | 131 ++++++++++++++++++++++++++++++++----------------------
 2 files changed, 79 insertions(+), 53 deletions(-)

diff --git a/configuration.nix b/configuration.nix
index 3528c89..3ea4a3a 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -23,6 +23,7 @@
   boot.loader.efi.canTouchEfiVariables = true;
 
   networking.hostName = "oden";
+  networking.hostId = "0de6fce1"; # needed for zfs, taken from /etc/machine-id
 
   # Set your time zone.
   time.timeZone = "Europe/Stockholm";
diff --git a/disko.nix b/disko.nix
index cb4a05e..dd5bb26 100644
--- a/disko.nix
+++ b/disko.nix
@@ -1,63 +1,88 @@
 {
-  disko.devices.disk.main = {
-    type = "disk";
-    device = "/dev/nvme0n1";
-    content = {
-      type = "gpt";
-      partitions.ESP = {
-        priority = 1;
-        name = "ESP";
-        start = "1M";
-        end = "512M";
-        type = "EF00";
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/nvme0n1";
         content = {
-          type = "filesystem";
-          format = "vfat";
-          mountpoint = "/boot";
-          mountOptions = [ "umask=0077" ];
-        };
-      };
-      partitions.root = {
-        size = "100%";
-        content = {
-          type = "btrfs";
-          extraArgs = [ "-f" ];
-          subvolumes = {
-            "/root" = {
-              mountpoint = "/";
-              mountOptions = [
-                "subvol=root"
-                "compress=zstd"
-                "noatime"
-              ];
+          type = "gpt";
+          partitions.ESP = {
+            priority = 1;
+            name = "ESP";
+            start = "1M";
+            end = "512M";
+            type = "EF00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+              mountOptions = [ "umask=0077" ];
             };
-            "/home" = {
-              mountpoint = "/home";
-              mountOptions = [
-                "subvol=home"
-                "compress=zstd"
-                "noatime"
-              ];
-            };
-            "/nix" = {
-              mountpoint = "/nix";
-              mountOptions = [
-                "subvol=nix"
-                "compress=zstd"
-                "noatime"
-              ];
-            };
-            "/nix/persist" = {
-              mountpoint = "/nix/persist";
-              mountOptions = [
-                "subvol=persist"
-                "compress=zstd"
-                "noatime"
-              ];
+          };
+          partitions.root = {
+            size = "100%";
+            content = {
+              type = "btrfs";
+              extraArgs = [ "-f" ];
+              subvolumes = {
+                "/root" = {
+                  mountpoint = "/";
+                  mountOptions = [
+                    "subvol=root"
+                    "compress=zstd"
+                    "noatime"
+                  ];
+                };
+                "/home" = {
+                  mountpoint = "/home";
+                  mountOptions = [
+                    "subvol=home"
+                    "compress=zstd"
+                    "noatime"
+                  ];
+                };
+                "/nix" = {
+                  mountpoint = "/nix";
+                  mountOptions = [
+                    "subvol=nix"
+                    "compress=zstd"
+                    "noatime"
+                  ];
+                };
+                "/nix/persist" = {
+                  mountpoint = "/nix/persist";
+                  mountOptions = [
+                    "subvol=persist"
+                    "compress=zstd"
+                    "noatime"
+                  ];
+                };
+              };
             };
           };
         };
       };
+      draupner0 = {
+        type = "disk";
+        device = "/dev/disk/by-id/ata-ST8000VN004-3CP101_WWZ9VLCZ";
+        content = {
+          type = "zfs";
+          pool = "draupner";
+        };
+      };
+    };
+    zpool.draupner = {
+      type = "zpool";
+      rootFsOptions = {
+        compression = "lz4";
+        atime = "off";
+        acltype = "posixacl";
+      };
+      options.ashift = "12";
+      datasets.draupner = {
+        type = "zfs_fs";
+        mountpoint = "/media/draupner";
+      };
     };
   };
 
-- 
cgit v1.2.3