diff --git a/hosts b/hosts
index 3d90c34b..76c27853 100644
--- a/hosts
+++ b/hosts
@@ -25,6 +25,19 @@ routeurs_vm
 fyre.cachan-adm.crans.org
 monitoring.adm.crans.org
 
+[ceph:children]
+ceph_osd
+ceph_monitor
+
+[ceph_osd]
+ceph-controller-a.adm.crans.org
+ceph-controller-b.adm.crans.org
+ceph-controller-c.adm.crans.org
+
+[ceph_monitor]
+ceph-storage-a.adm.crans.org
+ceph-storage-b.adm.crans.org
+
 [certbot]
 irc.adm.crans.org
 proxy-pve-adh.adm.crans.org