diff --git a/roles/nagios/server/files/nagios/hosts/mbs-backend01.cfg b/roles/nagios/server/files/nagios/hosts/mbs-backend01.cfg
new file mode 100644
index 0000000000..6b744e6907
--- /dev/null
+++ b/roles/nagios/server/files/nagios/hosts/mbs-backend01.cfg
@@ -0,0 +1,7 @@
+define host {
+  host_name                    mbs-backend01
+  alias                        mbs-backend01.phx2.fedoraproject.org
+  use                          defaulttemplate
+  address                      mbs-backend01.phx2.fedoraproject.org
+  parents                      virthost19
+}
diff --git a/roles/nagios/server/files/nagios/hosts/mbs-frontend01.cfg b/roles/nagios/server/files/nagios/hosts/mbs-frontend01.cfg
new file mode 100644
index 0000000000..ac17627157
--- /dev/null
+++ b/roles/nagios/server/files/nagios/hosts/mbs-frontend01.cfg
@@ -0,0 +1,7 @@
+define host {
+  host_name                    mbs-frontend01
+  alias                        mbs-frontend01.phx2.fedoraproject.org
+  use                          defaulttemplate
+  address                      mbs-frontend01.phx2.fedoraproject.org
+  parents                      virthost22
+}
diff --git a/roles/nagios/server/files/nagios/hosts/mbs-frontend02.cfg b/roles/nagios/server/files/nagios/hosts/mbs-frontend02.cfg
new file mode 100644
index 0000000000..b6e2ccef40
--- /dev/null
+++ b/roles/nagios/server/files/nagios/hosts/mbs-frontend02.cfg
@@ -0,0 +1,7 @@
+define host {
+  host_name                    mbs-frontend02
+  alias                        mbs-frontend02.phx2.fedoraproject.org
+  use                          defaulttemplate
+  address                      mbs-frontend02.phx2.fedoraproject.org
+  parents                      virthost21
+}