diff --git a/cluster-mgmt/bin/start.sh b/cluster-mgmt/bin/start.sh
index dac6bb1..23fcde7 100755
--- a/cluster-mgmt/bin/start.sh
+++ b/cluster-mgmt/bin/start.sh
@@ -9,5 +9,11 @@
 zk start
 cassandra start
 cassandra cleandb
+db_status=`cassandra checkdb |grep OK | wc -l`
+if [ $db_status != 1 ];then
+  echo $db_status
+  echo "Cassandra DB was screwed up. Need DB key drop"
+  exit
+fi
 onos start
 dsh -g $basename 'cd ONOS; ./ctrl-local.sh'