Remove -a to make the check_fs_used work

Former-commit-id: fd0db365

roles/nhc/tasks/main.yml

@@ -59,3 +59,10 @@
   copy: src=scripts/ dest={{ nhc_dir }}/etc/nhc/scripts/
   become: true
   become_user: root
+
+- name: modifying DF_FLAGS in lbnl_fs script
+  replace: 
+    path: {{ nhc_dir }}/etc/nhc/scripts/lbnl_fs.nhc
+    regexp: 'DF_FLAGS="${DF_FLAGS:--Tka}"'
+    replace: 'DF_FLAGS="${DF_FLAGS:--Tk}"'
+    backup: yes