diff --git a/reclass/storage/system/stacklight_monitor_cluster.yml b/reclass/storage/system/stacklight_monitor_cluster.yml
index 9df1a69..8c9a4c6 100644
--- a/reclass/storage/system/stacklight_monitor_cluster.yml
+++ b/reclass/storage/system/stacklight_monitor_cluster.yml
@@ -12,6 +12,7 @@
           classes:
           - cluster.${_param:cluster_name}.stacklight.monitor
           params:
+            redis_cluster_role: 'master'
             salt_master_host: ${_param:reclass_config_master}
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node01_address}
@@ -22,6 +23,7 @@
           classes:
           - cluster.${_param:cluster_name}.stacklight.monitor
           params:
+            redis_cluster_role: 'slave'
             salt_master_host: ${_param:reclass_config_master}
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node02_address}
@@ -32,6 +34,7 @@
           classes:
           - cluster.${_param:cluster_name}.stacklight.monitor
           params:
+            redis_cluster_role: 'slave'
             salt_master_host: ${_param:reclass_config_master}
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node03_address}
diff --git a/reclass/storage/system/stacklight_server_cluster.yml b/reclass/storage/system/stacklight_server_cluster.yml
index edb7a94..979906a 100644
--- a/reclass/storage/system/stacklight_server_cluster.yml
+++ b/reclass/storage/system/stacklight_server_cluster.yml
@@ -15,6 +15,7 @@
           - system.grafana.client.single
           - system.kibana.client.single
           params:
+            redis_cluster_role: 'master'
             salt_master_host: ${_param:reclass_config_master}
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node01_address}
@@ -25,6 +26,7 @@
           classes:
           - cluster.${_param:cluster_name}.stacklight.server
           params:
+            redis_cluster_role: 'slave'
             salt_master_host: ${_param:reclass_config_master}
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node02_address}
@@ -35,6 +37,7 @@
           classes:
           - cluster.${_param:cluster_name}.stacklight.server
           params:
+            redis_cluster_role: 'slave'
             salt_master_host: ${_param:reclass_config_master}
             linux_system_codename: xenial
             single_address: ${_param:stacklight_monitor_node03_address}