diff --git a/configuration/examples/root-on-lvm.nix b/configuration/examples/root-on-lvm.nix
new file mode 100644
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+++ b/configuration/examples/root-on-lvm.nix
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+# This configuration has / on a LVM volume.  Since Grub
+# doesn't know about LVM, a separate /boot is therefore
+# needed.  In particular you need to set "copyKernels"
+# to tell NixOS to copy kernels and initrds from /nix/store
+# to /boot, and "bootMount" to tell Grub the /boot device
+# in Grub syntax (e.g. (hd0,0) for /dev/sda1).
+#
+# In this example, labels are used for file systems and
+# swap devices: "boot" might be /dev/sda1, "root" might be
+# /dev/my-volume-group/root, and "swap" might be /dev/sda2.
+# In particular there is no specific reference to the fact
+# that / is on LVM; that's figured out automatically.
+
+{
+  boot = {
+    grubDevice = "/dev/sda";
+    initrd = {
+      extraKernelModules = ["ata_piix"];
+    };
+    copyKernels = true;
+    bootMount = "(hd0,0)";
+  };
+
+  fileSystems = [
+    { mountPoint = "/";
+      label = "root";
+    }
+    { mountPoint = "/boot";
+      label = "boot";
+    }
+  ];
+
+  swapDevices = [
+    { label = "swap"; }
+  ];
+}