diff --git a/tcp_tests/managers/envmanager_devops.py b/tcp_tests/managers/envmanager_devops.py
index c800cc2..8afb177 100644
--- a/tcp_tests/managers/envmanager_devops.py
+++ b/tcp_tests/managers/envmanager_devops.py
@@ -330,6 +330,39 @@
             raise exceptions.EnvironmentIsNotSet()
         self.__env.destroy()
 
+    def destroy_node(self, node_name):
+        """Destroy node"""
+        node = self.__env.get_node(name=node_name)
+        node.destroy()
+
+    def start_node(self, node_name):
+        """Start node"""
+        node = self.__env.get_node(name=node_name)
+        node.start()
+
+    def reboot_node(self, node_name):
+        """Reboot node"""
+        node = self.__env.get_node(name=node_name)
+        node.reboot()
+
+    def remove_node(self, node_name):
+        """Remove node"""
+        node = self.__env.get_node(name=node_name)
+        node.remove()
+
+    def wait_for_node_state(self, node_name, state, timeout):
+        node = self.__env.get_node(name=node_name)
+        if 'active' in state:
+            helpers.wait(lambda: node.is_active(),
+                         timeout=timeout,
+                         timeout_msg=('Node {0} failed '
+                                      'to become active'.format(node)))
+        else:
+            helpers.wait(lambda: not node.is_active(),
+                         timeout=timeout,
+                         timeout_msg=('Node {0} failed '
+                                      'to become active'.format(node)))
+
     def has_snapshot(self, name):
         return self.__env.has_snapshot(name)
 
@@ -353,6 +386,15 @@
         LOG.debug('Trying to get nodes by role {0}'.format(node_role))
         return self.__env.get_nodes(role=node_role)
 
+    def __get_nodes_by_name(self, node_name):
+        """Get node by given role name
+
+        :param node_name: string
+        :rtype: devops.models.Node
+        """
+        LOG.debug('Trying to get nodes by role {0}'.format(node_name))
+        return self.__env.get_nodes(name=node_name)
+
     @property
     def master_nodes(self):
         """Get all master nodes
diff --git a/tcp_tests/managers/openstack_manager.py b/tcp_tests/managers/openstack_manager.py
index 6454bdd..ebcc574 100644
--- a/tcp_tests/managers/openstack_manager.py
+++ b/tcp_tests/managers/openstack_manager.py
@@ -24,10 +24,12 @@
 
     __config = None
     __underlay = None
+    __hardware = None
 
-    def __init__(self, config, underlay, salt):
+    def __init__(self, config, underlay,  hardware, salt):
         self.__config = config
         self.__underlay = underlay
+        self.__hardware = hardware
         self._salt = salt
         super(OpenstackManager, self).__init__(
             config=config, underlay=underlay)
@@ -88,3 +90,34 @@
             file_name = result['stdout'][0].rstrip()
             LOG.debug("Found files {0}".format(file_name))
             r.download(destination=file_name, target=os.getcwd())
+
+    def get_node_name_by_subname(self, node_sub_name):
+        return [node_name for node_name
+                in self.__underlay.node_names()
+                if node_sub_name in node_name]
+
+    def warm_shutdown_openstack_nodes(self, node_sub_name, timeout=10 * 60):
+        """Gracefully shutting down the node  """
+        node_names = self.get_node_name_by_subname(node_sub_name)
+        LOG.info('Shutting down nodes {}'.format(node_names))
+        for node in node_names:
+            LOG.debug('Shutdown node {0}'.format(node))
+            self.__underlay.check_call(cmd="shutdown +1", node_name=node)
+        for node in node_names:
+            LOG.info('Destroy node {}'.format(node))
+            self.__hardware.destroy_node(node)
+            self.__hardware.wait_for_node_state(
+                node, state='offline', timeout=timeout)
+
+    def warm_start_nodes(self, node_sub_name, timeout=10 * 60):
+        node_names = self.get_node_name_by_subname(node_sub_name)
+        LOG.info('Starting nodes {}'.format(node_names))
+        for node in node_names:
+            self.__hardware.start_node(node)
+            self.__hardware.wait_for_node_state(
+                node, state='active', timeout=timeout)
+
+    def warm_restart_nodes(self, node_names, timeout=10 * 60):
+        LOG.info('Reboot (warm restart) nodes {0}'.format(node_names))
+        self.warm_shutdown_openstack_nodes(node_names, timeout=timeout)
+        self.warm_start_nodes(node_names)
diff --git a/tcp_tests/managers/underlay_ssh_manager.py b/tcp_tests/managers/underlay_ssh_manager.py
index 12ea22d..c9f2f4b 100644
--- a/tcp_tests/managers/underlay_ssh_manager.py
+++ b/tcp_tests/managers/underlay_ssh_manager.py
@@ -407,13 +407,17 @@
         minion_nodes = [ssh for ssh in self.config_ssh
                         if node_role not in ssh['roles']]
         for node in minion_nodes:
-            with self.remote(host=node['host']) as r_node:
-                r_node.check_call(('tar '
-                                   '--absolute-names '
-                                   '--warning=no-file-changed '
-                                   '-czf {t} {d}'.format(
-                    t='{0}.tar.gz'.format(node['node_name']), d='/var/log')),
-                    verbose=True, raise_on_err=False)
+            try:
+                with self.remote(host=node['host']) as r_node:
+                    r_node.check_call(('tar '
+                                       '--absolute-names '
+                                       '--warning=no-file-changed '
+                                       '-czf {t} {d}'.format(
+                        t='{0}.tar.gz'.format(node['node_name']),
+                        d='/var/log')),
+                        verbose=True, raise_on_err=False)
+            except:
+                LOG.info("Can not ssh for node {}".format(node))
         with self.remote(master_node['node_name']) as r:
             for node in minion_nodes:
                 packages_minion_cmd = ("salt '{0}*' cmd.run "