diff --git a/tools/test/bin/onos-check-storage-nodes b/tools/test/bin/onos-check-storage-nodes
new file mode 100755
index 0000000..37bb60e
--- /dev/null
+++ b/tools/test/bin/onos-check-storage-nodes
@@ -0,0 +1,24 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Checks whether all and only the configured ONOS core storeage instances are active.
+# -----------------------------------------------------------------------------
+
+aux=/tmp/stc/stc-$$.log
+trap "rm -f $aux $aux.1 $aux.2 2>/dev/null" EXIT
+
+for attempt in {1..5}; do
+    onos ${1:-$OCI} "onos:storage-nodes" > $aux
+    cat $aux
+
+    # Normalize the nodes
+    cut -d= -f3 $aux | cut -d: -f1 | sort > $aux.1
+
+    # Normalize the expected nodes
+    nodes=${2:-$ONOS_CORES}
+    (for node in $nodes; do echo $node; done) | sort > $aux.2
+
+    # Check for differences
+    diff $aux.1 $aux.2 && exit 0
+    sleep 1
+done
+exit 1