diff --git a/group_vars/all.yml.sample b/group_vars/all.yml.sample
index 5606e3556..f73d12b22 100644
--- a/group_vars/all.yml.sample
+++ b/group_vars/all.yml.sample
@@ -354,8 +354,8 @@ dummy:
 #cephfs_metadata: cephfs_metadata # name of the metadata pool for a given filesystem
 
 #cephfs_pools:
-#  - { name: "{{ cephfs_data }}", pgs: "{{ osd_pool_default_pg_num }}", size: "" }
-#  - { name: "{{ cephfs_metadata }}", pgs: "{{ osd_pool_default_pg_num }}", size: "" }
+#  - { name: "{{ cephfs_data }}", pgs: "{{ osd_pool_default_pg_num }}", size: "{{ osd_pool_default_size }}" }
+#  - { name: "{{ cephfs_metadata }}", pgs: "{{ osd_pool_default_pg_num }}", size: "{{ osd_pool_default_size }}" }
 
 ## OSD options
 #
diff --git a/group_vars/rhcs.yml.sample b/group_vars/rhcs.yml.sample
index 7cd0c7017..89c0c604a 100644
--- a/group_vars/rhcs.yml.sample
+++ b/group_vars/rhcs.yml.sample
@@ -354,8 +354,8 @@ ceph_rhcs_version: 3
 #cephfs_metadata: cephfs_metadata # name of the metadata pool for a given filesystem
 
 #cephfs_pools:
-#  - { name: "{{ cephfs_data }}", pgs: "{{ osd_pool_default_pg_num }}", size: "" }
-#  - { name: "{{ cephfs_metadata }}", pgs: "{{ osd_pool_default_pg_num }}", size: "" }
+#  - { name: "{{ cephfs_data }}", pgs: "{{ osd_pool_default_pg_num }}", size: "{{ osd_pool_default_size }}" }
+#  - { name: "{{ cephfs_metadata }}", pgs: "{{ osd_pool_default_pg_num }}", size: "{{ osd_pool_default_size }}" }
 
 ## OSD options
 #
diff --git a/roles/ceph-defaults/defaults/main.yml b/roles/ceph-defaults/defaults/main.yml
index 7bb8226ef..87ebce2ac 100644
--- a/roles/ceph-defaults/defaults/main.yml
+++ b/roles/ceph-defaults/defaults/main.yml
@@ -346,8 +346,8 @@ cephfs_data: cephfs_data # name of the data pool for a given filesystem
 cephfs_metadata: cephfs_metadata # name of the metadata pool for a given filesystem
 
 cephfs_pools:
-  - { name: "{{ cephfs_data }}", pgs: "{{ osd_pool_default_pg_num }}", size: "" }
-  - { name: "{{ cephfs_metadata }}", pgs: "{{ osd_pool_default_pg_num }}", size: "" }
+  - { name: "{{ cephfs_data }}", pgs: "{{ osd_pool_default_pg_num }}", size: "{{ osd_pool_default_size }}" }
+  - { name: "{{ cephfs_metadata }}", pgs: "{{ osd_pool_default_pg_num }}", size: "{{ osd_pool_default_size }}" }
 
 ## OSD options
 #