diff --git a/stacklight_tests/toolchain/api.py b/stacklight_tests/toolchain/api.py
index 7af7c33..7205c84 100644
--- a/stacklight_tests/toolchain/api.py
+++ b/stacklight_tests/toolchain/api.py
@@ -461,8 +461,8 @@ class ToolchainApi(object):
         with self.fuel_web.get_ssh_for_nailgun_node(
                 controller_nodes[0]) as remote:
             self.remote_ops.fill_up_filesystem(
-                remote, "/dev/mapper/mysql-root", percent,
-                "/var/lib/mysql/test/bigfile")
+                remote, self.settings.mysql_fs, percent,
+                self.settings.mysql_fs_alarm_test_file)
 
         self.LMA_INFRASTRUCTURE_ALERTING.wait_service_state_on_nagios(
             nagios_driver, {services[0]: "OK"})
@@ -475,8 +475,8 @@ class ToolchainApi(object):
         with self.fuel_web.get_ssh_for_nailgun_node(
                 controller_nodes[1]) as remote:
             self.remote_ops.fill_up_filesystem(
-                remote, "/dev/mapper/mysql-root", percent,
-                "/var/lib/mysql/test/bigfile")
+                remote, self.settings.mysql_fs, percent,
+                self.settings.mysql_fs_alarm_test_file)
 
         for node in controller_nodes:
             self.LMA_INFRASTRUCTURE_ALERTING.wait_service_state_on_nagios(
@@ -492,8 +492,8 @@ class ToolchainApi(object):
 
         for node in controller_nodes:
             with self.fuel_web.get_ssh_for_nailgun_node(node) as remote:
-                self.remote_ops.clean_filesystem(remote,
-                                                 "/var/lib/mysql/test/bigfile")
+                self.remote_ops.clean_filesystem(
+                    remote, self.settings.mysql_fs_alarm_test_file)
 
         for node in controller_nodes:
             self.LMA_INFRASTRUCTURE_ALERTING.wait_service_state_on_nagios(
diff --git a/stacklight_tests/toolchain/test_alarms.py b/stacklight_tests/toolchain/test_alarms.py
index 83dc5dd..bdf4805 100644
--- a/stacklight_tests/toolchain/test_alarms.py
+++ b/stacklight_tests/toolchain/test_alarms.py
@@ -134,8 +134,8 @@ class TestToolchainAlarms(api.ToolchainApi):
         controller = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
             self.helpers.cluster_id, ["controller"])[0]
         self._check_filesystem_alarms(
-            controller, "/dev/mapper/mysql-root", "mysql-fs",
-            "/var/lib/mysql/test/bigfile", "mysql-nodes")
+            controller, self.settings.mysql_fs, "mysql-fs",
+            self.settings.mysql_fs_alarm_test_file, "mysql-nodes")
 
     @test(depends_on_groups=["deploy_toolchain"],
           groups=["check_rabbitmq_disk_alarm", "toolchain", "alarms"])
diff --git a/stacklight_tests/toolchain/toolchain_settings.py b/stacklight_tests/toolchain/toolchain_settings.py
index c7ee014..285f763 100644
--- a/stacklight_tests/toolchain/toolchain_settings.py
+++ b/stacklight_tests/toolchain/toolchain_settings.py
@@ -58,3 +58,6 @@ full_ha_nodes = {
     'slave-08': stacklight_roles,
     'slave-09': stacklight_roles
 }
+
+mysql_fs = "/dev/mapper/mysql-root"
+mysql_fs_alarm_test_file = "/var/lib/mysql/bigfile"