AMBARI-25261. hdfs_to_onefs_convert.py script should have Ambari Serv…

…er pre-req of >=2.7.1 (#2943)

contrib/management-packs/isilon-onefs-mpack/src/main/tools/hdfs_to_onefs_convert.py

@@ -520,7 +520,7 @@ def parse_options(self):
   print 'This script will replace the HDFS service to ONEFS'
   print 'The following prerequisites are required:'
   print '  * ONEFS management package must be installed'
-  print '  * Ambari must be upgraded to >=v2.7.0'
+  print '  * Ambari must be upgraded to >=v2.7.1'
   print '  * Stack must be upgraded to >=HDP-3.0'
   print '  * Is highly recommended to backup ambari database before you proceed.'
   conversion = Conversion(cluster, FsStorage())