diff --git a/ops/nixos/lib/blade.nix b/ops/nixos/lib/blade.nix
index 275994daa1..2f5d358a15 100644
--- a/ops/nixos/lib/blade.nix
+++ b/ops/nixos/lib/blade.nix
@@ -75,6 +75,19 @@ in {
     mgr.enable = config.services.ceph.mon.enable;
     rgw.enable = true;
   };
+  systemd.services.ceph-osd-lvm-activate = lib.mkIf config.services.ceph.osd.enable {
+    enable = true;
+    description = "Ceph OSD pre-start";
+    before = [ "network-online.target" "ceph-osd.target" ];
+    wantedBy = [ "ceph-osd.target" ];
+
+    path = [ pkgs.lvm2.bin pkgs.util-linux pkgs.coreutils ];
+
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${pkgs.ceph.out}/bin/ceph-volume lvm activate --all --no-systemd";
+    };
+  };
 
   virtualisation.libvirtd = {
     enable = true;