diff --git a/.github/workflows/build_bob.yml b/.github/workflows/build_bob.yml
deleted file mode 100644
index d700990..0000000
--- a/.github/workflows/build_bob.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: build_bob
-on:
-  workflow_dispatch:
-  pull_request:
-  push:
-    branches: [main]
-
-jobs:
-  build:
-    name: build_bob
-    runs-on: ubuntu-22.04
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v3
-      - name: Build default package
-        run: 'nix-shell -p nixos-rebuild --run "nixos-rebuild build --flake ./#bob"'
diff --git a/.github/workflows/build_muninn.yml b/.github/workflows/build_muninn.yml
deleted file mode 100644
index 45e7959..0000000
--- a/.github/workflows/build_muninn.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: build_muninn
-on:
-  workflow_dispatch:
-  pull_request:
-  push:
-    branches: [main]
-
-jobs:
-  build:
-    name: build_muninn
-    runs-on: ubuntu-22.04
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v3
-      - name: Build default package
-        run: 'nix-shell -p nixos-rebuild --run "nixos-rebuild build --flake ./#muninn"'
diff --git a/.github/workflows/build_rhapsody-in-green.yml b/.github/workflows/build_rhapsody-in-green.yml
deleted file mode 100644
index 3582cef..0000000
--- a/.github/workflows/build_rhapsody-in-green.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: build_rhapsody-in-green
-on:
-  workflow_dispatch:
-  pull_request:
-  push:
-    branches: [main]
-
-jobs:
-  build:
-    name: build_rhapsody-in-green
-    runs-on: ubuntu-22.04
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v3
-      - name: Build default package
-        run: 'nix-shell -p nixos-rebuild --run "nixos-rebuild build --flake ./#rhapsody-in-green"'
diff --git a/.github/workflows/build_jeeves.yml b/.github/workflows/build_systems.yml
similarity index 58%
rename from .github/workflows/build_jeeves.yml
rename to .github/workflows/build_systems.yml
index fc2d439..08389f8 100644
--- a/.github/workflows/build_jeeves.yml
+++ b/.github/workflows/build_systems.yml
@@ -7,12 +7,18 @@ on:
 
 jobs:
   build:
-    name: build_jeeves
-    runs-on: ubuntu-22.04
-
+    name: build-${{ matrix.system }}
+    runs-on: self-hosted
+    strategy:
+      matrix:
+        system:
+          - "bob"
+          - "jeeves"
+          - "muninn"
+          - "rhapsody-in-green"
     steps:
       - uses: actions/checkout@v4
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@v3
       - name: Build default package
-        run: 'nix-shell -p nixos-rebuild --run "nixos-rebuild build --flake ./#jeeves"'
+        run: 'nix-shell -p nixos-rebuild --run "nixos-rebuild build --flake ./#${{ matrix.system }}"'
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..a5cf2c9
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+nixos-rebuild build --flake /home/richie/projects/dotfiles#bob
+nixos-rebuild build --flake /home/richie/projects/dotfiles#jeeves
+nixos-rebuild build --flake /home/richie/projects/dotfiles#muninn
+nixos-rebuild build --flake /home/richie/projects/dotfiles#rhapsody-in-green
\ No newline at end of file
diff --git a/systems/jeeves/scripts/zfs.sh b/systems/jeeves/scripts/zfs.sh
index 0cf2126..12a4076 100644
--- a/systems/jeeves/scripts/zfs.sh
+++ b/systems/jeeves/scripts/zfs.sh
@@ -18,6 +18,7 @@ sudo zpool add torrenting -o ashift=12 special
 # media datasets
 sudo zfs create -o compression=zstd-9 media/docker
 sudo zfs create -o recordsize=1M -o compression=zstd-19 media/library
+sudo zfs create -o compression=zstd-9 -o sync=disabled media/github-runners
 sudo zfs create -o exec=off media/minio
 sudo zfs create -o exec=off media/mirror
 sudo zfs create -o copies=3 media/notes