diff --git a/pkgs/misc/logging/pacemaker/default.nix b/pkgs/misc/logging/pacemaker/default.nix
new file mode 100644
index 000000000000..7277ae091e78
--- /dev/null
+++ b/pkgs/misc/logging/pacemaker/default.nix
@@ -0,0 +1,97 @@
+{ lib
+, stdenv
+, autoconf
+, automake
+, bash
+, bzip2
+, corosync
+, dbus
+, fetchFromGitHub
+, glib
+, gnutls
+, libqb
+, libtool
+, libuuid
+, libxml2
+, libxslt
+, pam
+, pkg-config
+, python3
+
+# Pacemaker is compiled twice, once with forOCF = true to extract its
+# OCF definitions for use in the ocf-resource-agents derivation, then
+# again with forOCF = false, where the ocf-resource-agents is provided
+# as the OCF_ROOT.
+, forOCF ? false
+, ocf-resource-agents
+} :
+
+stdenv.mkDerivation rec {
+  pname = "pacemaker";
+  version = "2.1.2";
+
+  src = fetchFromGitHub {
+    owner = "ClusterLabs";
+    repo = pname;
+    rev = "Pacemaker-${version}";
+    sha256 = "1w7vq3lmgcz38pfww9vccm142vjsjqz3qc9nnk09ynkx4agqhxdg";
+  };
+
+  nativeBuildInputs = [
+    autoconf
+    automake
+    libtool
+    pkg-config
+  ];
+
+  buildInputs = [
+    bash
+    bzip2
+    corosync
+    dbus.dev
+    glib
+    gnutls
+    libqb
+    libuuid
+    libxml2.dev
+    libxslt.dev
+    pam
+    python3
+  ];
+
+  preConfigure = ''
+    ./autogen.sh --prefix="$out"
+  '';
+  configureFlags = [
+    "--exec-prefix=${placeholder "out"}"
+    "--sysconfdir=/etc"
+    "--localstatedir=/var"
+    "--with-initdir=/etc/systemd/system"
+    "--with-systemdsystemunitdir=/etc/systemd/system"
+    "--with-corosync"
+    # allows Type=notify in the systemd service
+    "--enable-systemd"
+  ] ++ lib.optional (!forOCF) "--with-ocfdir=${ocf-resource-agents}/usr/lib/ocf";
+
+  installFlags = [ "DESTDIR=${placeholder "out"}" ];
+
+  NIX_CFLAGS_COMPILE = lib.optionals stdenv.cc.isGNU [
+    "-Wno-error=strict-prototypes"
+  ];
+
+  enableParallelBuilding = true;
+
+  postInstall = ''
+    # pacemaker's install linking requires a weirdly nested hierarchy
+    mv $out$out/* $out
+    rm -r $out/nix
+  '';
+
+  meta = with lib; {
+    homepage = "https://clusterlabs.org/pacemaker/";
+    description = "Pacemaker is an open source, high availability resource manager suitable for both small and large clusters.";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ ryantm ];
+  };
+}
diff --git a/pkgs/os-specific/linux/ocf-resource-agents/default.nix b/pkgs/os-specific/linux/ocf-resource-agents/default.nix
index 9c9557c7be85..8d7f2b527144 100644
--- a/pkgs/os-specific/linux/ocf-resource-agents/default.nix
+++ b/pkgs/os-specific/linux/ocf-resource-agents/default.nix
@@ -1,3 +1,5 @@
+# This combines together OCF definitions from other derivations.
+# https://github.com/ClusterLabs/resource-agents/blob/master/doc/dev-guides/ra-dev-guide.asc
 { stdenv
 , lib
 , runCommand
@@ -8,12 +10,16 @@
 , python3
 , glib
 , drbd
+, pacemaker
 }:
 
 let
   drbdForOCF = drbd.override {
     forOCF = true;
   };
+  pacemakerForOCF = pacemaker.override {
+    forOCF = true;
+  };
 
   resource-agentsForOCF = stdenv.mkDerivation rec {
     pname = "resource-agents";
@@ -53,4 +59,5 @@ runCommand "ocf-resource-agents" {} ''
   mkdir -p $out/usr/lib/ocf
   ${lndir}/bin/lndir -silent "${resource-agentsForOCF}/lib/ocf/" $out/usr/lib/ocf
   ${lndir}/bin/lndir -silent "${drbdForOCF}/usr/lib/ocf/" $out/usr/lib/ocf
+  ${lndir}/bin/lndir -silent "${pacemakerForOCF}/usr/lib/ocf/" $out/usr/lib/ocf
 ''
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f48203741d52..71d508ab86c4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19503,6 +19503,8 @@ with pkgs;
   osinfo-db = callPackage ../data/misc/osinfo-db { };
   osinfo-db-tools = callPackage ../tools/misc/osinfo-db-tools { };
 
+  pacemaker = callPackage ../misc/logging/pacemaker { };
+
   p11-kit = callPackage ../development/libraries/p11-kit { };
 
   paperkey = callPackage ../tools/security/paperkey { };