change onos start script
diff --git a/start-onos.sh b/start-onos.sh
index 0ef6ecd..f8e9309 100755
--- a/start-onos.sh
+++ b/start-onos.sh
@@ -109,7 +109,7 @@
       exit
    fi
    n=`ps -edalf |grep java |grep apache-cassandra | wc -l`
-   if [ x$n != "x1" ]; then
+   if [ x$n == "x0" ]; then
       echo "Cassandra is not running. Exitting"
       exit
    fi