diff --git a/sysadmin/grid5000/cassandra/ansible/cassandra.yml b/sysadmin/grid5000/cassandra/ansible/cassandra.yml
index 94930c6..4fd44bb 100644
--- a/sysadmin/grid5000/cassandra/ansible/cassandra.yml
+++ b/sysadmin/grid5000/cassandra/ansible/cassandra.yml
@@ -1,57 +1,58 @@
 ---
 # - name: "Get public ipv4 address"
 #   set_fact:
 #     cassandra_seed_ips: "{{ansible_facts[item]['ipv4']['address']}}"
 #   with_items:
 #     - "{{cassandra_listen_interface }}"
 
 - name: Install cassandra signing key
   apt_key:
     url: https://downloads.apache.org/cassandra/KEYS
     state: present
 
 - name: Install cassandra apt repository
   apt_repository:
     repo: deb http://downloads.apache.org/cassandra/debian 40x main
     state: present
     filename: cassandra.sources
 
 - name: Install cassandra packages
   apt:
     update_cache: true # force an apt update before
     name:
       ## TODO: check other version than jdk11
       - openjdk-11-jdk
       - cassandra
       - dstat
       - smartmontools
+      - facter
 
 - name: Create datadirs
   file:
     state: directory
     path: "{{ item }}"
     owner: "cassandra"
     group: "cassandra"
     mode: "0755"
   with_items:
     - "{{ cassandra_data_dir_base }}"
     - "{{ cassandra_data_dir_system }}"
     - "{{ cassandra_data_dir }}"
     - "{{ cassandra_commitlogs_dir }}"
 
 - name: Configure cassandra
   template:
     src: "templates/{{item}}"
     dest: "{{cassandra_config_dir}}/{{item}}"
   with_items: [cassandra.yaml, jvm.options]
   register: cassandra_configuration_files
 
 - name: Restart cassandra service
   service:
     name: cassandra
     state: restarted
   when: cassandra_configuration_files.changed
 
 
 
   # TODO test different read ahead
diff --git a/sysadmin/grid5000/cassandra/ansible/templates/swhstorage/storage.yml b/sysadmin/grid5000/cassandra/ansible/templates/swhstorage/storage.yml
index 4206a3a..f4183a6 100644
--- a/sysadmin/grid5000/cassandra/ansible/templates/swhstorage/storage.yml
+++ b/sysadmin/grid5000/cassandra/ansible/templates/swhstorage/storage.yml
@@ -1,8 +1,8 @@
 storage:
   cls: cassandra
   args:
-    hosts: {{cassandra_seed_ips}}
+    hosts: {{ cassandra_seed_ips.split(',') }}
     keyspace: swh
     objstorage:
       cls: memory
       args: {}