hosts/polaris: switch to zfs

commit 3f30aa5e1d21406d956256cb54683fbfa8f353ff
parent e8f03630df2a1c8c2441cebff33789032f8d9031
Author: Katja (zaphyra) <git@ctu.cx>
Date: Wed, 4 Jun 2025 12:32:28 +0200

hosts/polaris: switch to zfs

1 file changed, 17 insertions(+), 9 deletions(-)

hosts/polaris/default.nix

+++++++++++++++++---------

diff --git a/hosts/polaris/default.nix b/hosts/polaris/default.nix
@@ -5,7 +5,7 @@
 
   domain = "home.infra.zaphyra.eu";
 
-  sshPubKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHH7pnD5l+1jfUrJKp900AeH7WHIIwCZVhA7BGlwzHl4";
+  sshPubKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIA2bluHGMcdKEremjLq3aUEeJlWHlGSjL8nuAhkeEl1f";
 
   hardware = {
     cpuVendor = "intel";

@@ -34,7 +34,7 @@
     {
 
       boot = {
-        kernelPackages = pkgs.linuxPackages_latest;
+        kernelModules = [ "wireguard" ];
 
         # seems to make realtek ethernet faster?
         kernelParams = [ "pcie_aspm=off" ];

@@ -50,14 +50,22 @@
 
       modules = {
         security.kernel = false;
-        filesystem.rootDisk = {
-          enable = true;
-          encrypt = true;
-          type = "btrfs";
-          path = "/dev/disk/by-id/nvme-INTEL_SSDPEKNW010T8_PHNH9210020X1P0B";
-          swap = {
+        filesystem = {
+          impermanence.system.enable = true;
+          impermanence.home.enable = true;
+          rootDisk = {
             enable = true;
-            size = "8G";
+            encrypt = true;
+            type = "zfs";
+            path = "/dev/disk/by-id/nvme-INTEL_SSDPEKNW010T8_PHNH9210020X1P0B";
+            reservedSpace = "3G";
+            parts = {
+              nix = true;
+            };
+            swap = {
+              enable = true;
+              size = "8G";
+            };
           };
         };