diff --git a/sysadmin/grid5000/cassandra/01-run_best_effort_nodes.sh b/sysadmin/grid5000/cassandra/01-run_best_effort_nodes.sh
new file mode 100755
index 0000000..f169011
--- /dev/null
+++ b/sysadmin/grid5000/cassandra/01-run_best_effort_nodes.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -eu
+
+SCRIPT_DIR="$(pwd $(dirname @0))"
+
+NODE_COUNT=4
+while true
+do
+        date
+        COUNT="$(oarstat -u | grep -c 'R besteffort')"
+        if [ $COUNT -lt $NODE_COUNT ]; then
+                ${SCRIPT_DIR}/02-add_best_effort_node.sh
+        else
+                echo "Node count ok (${COUNT})"
+        fi
+        sleep 60
+done