@@ -42,7 +42,7 @@ MARCONI_AUTH_CACHE_DIR=${MARCONI_AUTH_CACHE_DIR:-/var/cache/marconi}

 MARCONI_BIN_DIR=$(get_python_exec_prefix)

 # Set up database backend

-MARCONI_BACKEND=${MARCONI_BACKEND:-sqlite}

+MARCONI_BACKEND=${MARCONI_BACKEND:-mongodb}

 # Set Marconi repository

@@ -77,6 +77,13 @@ function is_marconi_enabled {

 function cleanup_marconi {

     if ! timeout $SERVICE_TIMEOUT sh -c "while ! mongo marconi --eval 'db.dropDatabase();'; do sleep 1; done"; then

         die $LINENO "Mongo DB did not start"

+    else

+        full_version=$(mongo marconi --eval 'db.dropDatabase();')

+        mongo_version=`echo $full_version | cut -d' ' -f4`

+        required_mongo_version='2.2'

+        if [[ $mongo_version < $required_mongo_version ]]; then

+            die $LINENO "Marconi needs Mongo DB version >= 2.2 to run."

+        fi

     fi

 }