diff --git a/roles/ceph-rbd-mirror/tasks/pre_requisite.yml b/roles/ceph-rbd-mirror/tasks/pre_requisite.yml
index b7f659d40..ddefb2a50 100644
--- a/roles/ceph-rbd-mirror/tasks/pre_requisite.yml
+++ b/roles/ceph-rbd-mirror/tasks/pre_requisite.yml
@@ -8,6 +8,17 @@
   tags:
     - package-install
 
+- name: copy ceph admin key
+  copy:
+    src: "{{ fetch_directory }}/{{ fsid }}/etc/ceph/{{ cluster }}.client.admin.keyring"
+    dest: "/etc/ceph/{{ cluster }}.client.admin.keyring"
+    owner: "{{ ceph_uid }}"
+    group: "{{ ceph_uid }}"
+    mode: "0600"
+  when:
+    - cephx
+    - ceph_release_num[ceph_release] < ceph_release_num.luminous
+
 - name: create rbd-mirror keyring
   command: ceph --cluster {{ cluster }} --name client.bootstrap-rbd --keyring /var/lib/ceph/bootstrap-rbd/{{ cluster }}.keyring auth get-or-create client.rbd-mirror.{{ ansible_hostname }} mon 'profile rbd' osd 'profile rbd' -o /etc/ceph/{{ cluster }}.client.rbd-mirror.{{ ansible_hostname }}.keyring
   args: