fix the volcreate to be more sane

roles/gluster_volcreate/tasks/main.yml

@@ -4,6 +4,9 @@
   set_fact: 
     server_list: "{{ gluster_servers|join(',') }}"
 
+- name: show server list
+  debug: var=server_list
+
 - name: probe peers
   shell: "gluster peer probe {{ item }}"
   run_once: true
@@ -20,5 +23,6 @@
     host: "{{ inventory_hostname }}"
     state: present
   sudo: true
-  run_once: true
+#  run_once: true
+  delegate_to: "{{ gluster_servers[0] }}"