diff --git a/flake.lock b/flake.lock
index c5a5e39..616dbfa 100644
--- a/flake.lock
+++ b/flake.lock
@@ -278,11 +278,11 @@
     "nix-secrets": {
       "flake": false,
       "locked": {
-        "lastModified": 1719601133,
-        "narHash": "sha256-2+e92LyX1fFj3mIZft+K8OzR9NT/1xtheO8hO/3DyRc=",
+        "lastModified": 1719679628,
+        "narHash": "sha256-veDG5v8ndU56bkxC37pfh48+1G53hABZ6A67jhrU3vA=",
         "ref": "refs/heads/master",
-        "rev": "278ccbbd646e86cab5fd38d43d9134270d8123d0",
-        "revCount": 141,
+        "rev": "f75ec74fab8f9054540a33f1e76d8fe9d885560f",
+        "revCount": 146,
         "type": "git",
         "url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
       },
@@ -340,11 +340,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1719254875,
-        "narHash": "sha256-ECni+IkwXjusHsm9Sexdtq8weAq/yUyt1TWIemXt3Ko=",
+        "lastModified": 1719506693,
+        "narHash": "sha256-C8e9S7RzshSdHB7L+v9I51af1gDM5unhJ2xO1ywxNH8=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2893f56de08021cffd9b6b6dfc70fd9ccd51eb60",
+        "rev": "b2852eb9365c6de48ffb0dc2c9562591f652242a",
         "type": "github"
       },
       "original": {
@@ -368,11 +368,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1719469291,
-        "narHash": "sha256-Efir01r7ThPabDBFOygX1UDyerJFHelbRGdMo/VNw14=",
+        "lastModified": 1719657372,
+        "narHash": "sha256-3uCk0WXaUZPErNGUNCCbOg+DgZIjA6OgyqFYJwfZ4+0=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "8f52e4d1e34039937efb0ee05825b9963ef29739",
+        "rev": "5b94f0caddc9f406554701a214f879c75fb0ee60",
         "type": "github"
       },
       "original": {
@@ -384,11 +384,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1719596768,
-        "narHash": "sha256-quSWztqqMxvSJIKddYp1D0GdR7Kg8JjEVCIzMbtBTQ4=",
+        "lastModified": 1719679086,
+        "narHash": "sha256-4s1Tn2T9EY9WE94bu9dGZXvl2L1BaerQSzoUfkpSINY=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "35e48702118124ec52a071e300f55c78a4b7b338",
+        "rev": "0dee89a38d574f3fd8a1ebe1dc43bfe8fb3448ec",
         "type": "github"
       },
       "original": {
diff --git a/hosts/common/disks/zfs/post-install-setup.sh b/hosts/common/disks/zfs/post-install-setup.sh
new file mode 100755
index 0000000..444f71d
--- /dev/null
+++ b/hosts/common/disks/zfs/post-install-setup.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+sudo nix --experimental-features "nix-command flakes" run github:nix-community/disko -- --mode disko ./zspeed.nix
diff --git a/hosts/common/disks/zfs/zspeed.nix b/hosts/common/disks/zfs/zspeed.nix
index 8babffe..08587e3 100644
--- a/hosts/common/disks/zfs/zspeed.nix
+++ b/hosts/common/disks/zfs/zspeed.nix
@@ -63,6 +63,19 @@
               mountpoint = "/postgres";
             };
           };
+          test = {
+            type = "zfs_volume";
+            size = "10G -s";
+            options = {
+              "com.sun:auto-snapshot:daily" = "true";
+              "volblocksize" = "8k";
+            };
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/test";
+            };
+          };
         };
       };
     };
diff --git a/hosts/nebula/default.nix b/hosts/nebula/default.nix
index eb91028..0bd96dd 100644
--- a/hosts/nebula/default.nix
+++ b/hosts/nebula/default.nix
@@ -2,7 +2,7 @@
 let
   # Disko setup
   fsType = "btrfs"; # one of ext4 or btrfs. Use btrfs if using impermanence
-  dev = "/dev/sda"; # depends on target hardware
+  dev = "/dev/disk/by-id/ata-QEMU_HARDDISK_QM00005"; # depends on target hardware
   encrypted = false; # currrently only applies to btrfs
   impermanence = false; # currrently only applies to btrfs
   user = "admin";