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diff --git a/src/ceph/src/tools/ceph_osdomap_tool.cc b/src/ceph/src/tools/ceph_osdomap_tool.cc
new file mode 100644
index 0000000..52fa7ae
--- /dev/null
+++ b/src/ceph/src/tools/ceph_osdomap_tool.cc
@@ -0,0 +1,210 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+* Ceph - scalable distributed file system
+*
+* Copyright (C) 2012 Inktank, Inc.
+*
+* This is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License kkjversion 2.1, as published by the Free Software
+* Foundation. See file COPYING.
+*/
+#include <boost/program_options/variables_map.hpp>
+#include <boost/program_options/parsers.hpp>
+
+#include <stdlib.h>
+#include <string>
+
+#include "common/errno.h"
+#include "global/global_init.h"
+
+#include "os/filestore/DBObjectMap.h"
+#include "kv/KeyValueDB.h"
+
+namespace po = boost::program_options;
+using namespace std;
+
+int main(int argc, char **argv) {
+  po::options_description desc("Allowed options");
+  string store_path, cmd, oid, backend;
+  bool debug = false;
+  desc.add_options()
+    ("help", "produce help message")
+    ("omap-path", po::value<string>(&store_path),
+     "path to mon directory, mandatory (current/omap usually)")
+    ("paranoid", "use paranoid checking")
+    ("debug", "Additional debug output from DBObjectMap")
+    ("oid", po::value<string>(&oid), "Restrict to this object id when dumping objects")
+    ("command", po::value<string>(&cmd),
+     "command arg is one of [dump-raw-keys, dump-raw-key-vals, dump-objects, dump-objects-with-keys, check, dump-headers, repair], mandatory")
+    ("backend", po::value<string>(&backend),
+     "DB backend (default rocksdb)")
+    ;
+  po::positional_options_description p;
+  p.add("command", 1);
+
+  vector<string> ceph_option_strings;
+  po::variables_map vm;
+  try {
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(desc).positional(p).allow_unregistered().run();
+    po::store(
+	      parsed,
+	      vm);
+    po::notify(vm);
+
+    ceph_option_strings = po::collect_unrecognized(parsed.options,
+						   po::include_positional);
+  } catch(po::error &e) {
+    std::cerr << e.what() << std::endl;
+    return 1;
+  }
+
+  vector<const char *> ceph_options, def_args;
+  ceph_options.reserve(ceph_option_strings.size());
+  for (vector<string>::iterator i = ceph_option_strings.begin();
+       i != ceph_option_strings.end();
+       ++i) {
+    ceph_options.push_back(i->c_str());
+  }
+
+  if (vm.count("debug")) debug = true;
+
+  auto cct = global_init(
+    &def_args, ceph_options, CEPH_ENTITY_TYPE_OSD,
+    CODE_ENVIRONMENT_UTILITY_NODOUT, 0);
+  common_init_finish(g_ceph_context);
+  g_ceph_context->_conf->apply_changes(NULL);
+  g_conf = g_ceph_context->_conf;
+  if (debug) {
+    g_conf->set_val_or_die("log_to_stderr", "true");
+    g_conf->set_val_or_die("err_to_stderr", "true");
+  }
+  g_conf->apply_changes(NULL);
+
+  if (vm.count("help")) {
+    std::cerr << desc << std::endl;
+    return 1;
+  }
+
+  if (vm.count("omap-path") == 0) {
+    std::cerr << "Required argument --omap-path" << std::endl;
+    return 1;
+  }
+
+  if (vm.count("command") == 0) {
+    std::cerr << "Required argument --command" << std::endl;
+    return 1;
+  }
+
+  if (vm.count("backend") == 0) {
+    backend = "rocksdb";
+  }
+
+  KeyValueDB* store(KeyValueDB::create(g_ceph_context, backend, store_path));
+  if (store == NULL) {
+    std::cerr << "Invalid backend '" << backend << "' specified" << std::endl;
+    return 1;
+  }
+  /*if (vm.count("paranoid")) {
+    std::cerr << "Enabling paranoid checks" << std::endl;
+    store->options.paranoid_checks = true;
+    }*/
+  DBObjectMap omap(cct.get(), store);
+  stringstream out;
+  int r = store->open(out);
+  if (r < 0) {
+    std::cerr << "Store open got: " << cpp_strerror(r) << std::endl;
+    std::cerr << "Output: " << out.str() << std::endl;
+    return r;
+  }
+  // We don't call omap.init() here because it will repair
+  // the DBObjectMap which we might want to examine for diagnostic
+  // reasons.  Instead use --command repair.
+
+  omap.get_state();
+  std::cout << "Version: " << (int)omap.state.v << std::endl;
+  std::cout << "Seq: " << omap.state.seq << std::endl;
+  std::cout << "legacy: " << (omap.state.legacy ? "true" : "false") << std::endl;
+
+  if (cmd == "dump-raw-keys") {
+    KeyValueDB::WholeSpaceIterator i = store->get_iterator();
+    for (i->seek_to_first(); i->valid(); i->next()) {
+      std::cout << i->raw_key() << std::endl;
+    }
+    return 0;
+  } else if (cmd == "dump-raw-key-vals") {
+    KeyValueDB::WholeSpaceIterator i = store->get_iterator();
+    for (i->seek_to_first(); i->valid(); i->next()) {
+      std::cout << i->raw_key() << std::endl;
+      i->value().hexdump(std::cout);
+    }
+    return 0;
+  } else if (cmd == "dump-objects") {
+    vector<ghobject_t> objects;
+    r = omap.list_objects(&objects);
+    if (r < 0) {
+      std::cerr << "list_objects got: " << cpp_strerror(r) << std::endl;
+      return r;
+    }
+    for (vector<ghobject_t>::iterator i = objects.begin();
+	 i != objects.end();
+	 ++i) {
+      if (vm.count("oid") != 0 && i->hobj.oid.name != oid)
+        continue;
+      std::cout << *i << std::endl;
+    }
+    return 0;
+  } else if (cmd == "dump-objects-with-keys") {
+    vector<ghobject_t> objects;
+    r = omap.list_objects(&objects);
+    if (r < 0) {
+      std::cerr << "list_objects got: " << cpp_strerror(r) << std::endl;
+      return r;
+    }
+    for (vector<ghobject_t>::iterator i = objects.begin();
+	 i != objects.end();
+	 ++i) {
+      if (vm.count("oid") != 0 && i->hobj.oid.name != oid)
+        continue;
+      std::cout << "Object: " << *i << std::endl;
+      ObjectMap::ObjectMapIterator j = omap.get_iterator(ghobject_t(i->hobj));
+      for (j->seek_to_first(); j->valid(); j->next()) {
+	std::cout << j->key() << std::endl;
+	j->value().hexdump(std::cout);
+      }
+    }
+    return 0;
+  } else if (cmd == "check" || cmd == "repair") {
+    ostringstream ss;
+    bool repair = (cmd == "repair");
+    r = omap.check(ss, repair, true);
+    if (r) {
+      std::cerr << ss.str() << std::endl;
+      if (r > 0) {
+        std::cerr << "check got " << r << " error(s)" << std::endl;
+        return 1;
+      }
+    }
+    std::cout << (repair ? "repair" : "check") << " succeeded" << std::endl;
+    return 0;
+  } else if (cmd == "dump-headers") {
+    vector<DBObjectMap::_Header> headers;
+    r = omap.list_object_headers(&headers);
+    if (r < 0) {
+      std::cerr << "list_object_headers got: " << cpp_strerror(r) << std::endl;
+      return 1;
+    }
+    for (auto i : headers)
+      std::cout << i << std::endl;
+    return 0;
+  } else if (cmd == "resetv2") {
+    omap.state.v = 2;
+    omap.state.legacy = false;
+    omap.set_state();
+  } else {
+    std::cerr << "Did not recognize command " << cmd << std::endl;
+    return 1;
+  }
+}