diff --git a/conf/squid/rgw/3-way-ms-ec-profile-2+2@4nodes.yaml b/conf/squid/rgw/3-way-ms-ec-profile-2+2@4nodes.yaml
index 3f299ae34..b2397f769 100644
--- a/conf/squid/rgw/3-way-ms-ec-profile-2+2@4nodes.yaml
+++ b/conf/squid/rgw/3-way-ms-ec-profile-2+2@4nodes.yaml
@@ -5,8 +5,8 @@ globals:
       name: ceph-pri
 
       node1:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - _admin
           - installer
@@ -15,8 +15,8 @@ globals:
           - osd
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - mon
@@ -24,16 +24,16 @@ globals:
 
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
@@ -42,8 +42,8 @@ globals:
       name: ceph-sec
 
       node1:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - _admin
           - installer
@@ -52,24 +52,24 @@ globals:
           - osd
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - mon
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
@@ -80,8 +80,8 @@ globals:
       name: ceph-ter
 
       node1:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - _admin
           - installer
@@ -90,24 +90,24 @@ globals:
           - osd
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - mon
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
diff --git a/conf/squid/rgw/cloud_transition.yaml b/conf/squid/rgw/cloud_transition.yaml
index 81175b397..e0cefff1e 100644
--- a/conf/squid/rgw/cloud_transition.yaml
+++ b/conf/squid/rgw/cloud_transition.yaml
@@ -11,29 +11,29 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
@@ -53,29 +53,29 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
diff --git a/conf/squid/rgw/ec-profile-4+2-cluster.yaml b/conf/squid/rgw/ec-profile-4+2-cluster.yaml
index 20b2219f9..c744cc4d7 100644
--- a/conf/squid/rgw/ec-profile-4+2-cluster.yaml
+++ b/conf/squid/rgw/ec-profile-4+2-cluster.yaml
@@ -12,41 +12,41 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - mon
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
 
       node6:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
 
       node7:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
diff --git a/conf/squid/rgw/migrate_default_single_to_multisite.yaml b/conf/squid/rgw/migrate_default_single_to_multisite.yaml
index 164c1463a..69af6190e 100644
--- a/conf/squid/rgw/migrate_default_single_to_multisite.yaml
+++ b/conf/squid/rgw/migrate_default_single_to_multisite.yaml
@@ -10,31 +10,31 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
@@ -54,31 +54,31 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
diff --git a/conf/squid/rgw/rgw_multisite_spec.yaml b/conf/squid/rgw/rgw_multisite_spec.yaml
index e0bce0d4c..8c43c1955 100644
--- a/conf/squid/rgw/rgw_multisite_spec.yaml
+++ b/conf/squid/rgw/rgw_multisite_spec.yaml
@@ -11,31 +11,31 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - osd
           - mon
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
           - rgw
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
@@ -55,30 +55,30 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - osd
           - mon
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
 
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw
diff --git a/conf/squid/rgw/tier-3_archive_zone_colocate_data_zone_conf.yaml b/conf/squid/rgw/tier-3_archive_zone_colocate_data_zone_conf.yaml
index 9c4edb283..4a1f1a7b9 100644
--- a/conf/squid/rgw/tier-3_archive_zone_colocate_data_zone_conf.yaml
+++ b/conf/squid/rgw/tier-3_archive_zone_colocate_data_zone_conf.yaml
@@ -24,23 +24,23 @@ globals:
           - rgw
           - client
       node5:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
       node6:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
       node7:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
       node8:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
   - ceph-cluster:
@@ -54,23 +54,23 @@ globals:
           - mon
 
       node2:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mgr
           - mon
           - osd
 
       node3:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - mon
           - osd
 
       node4:
-        disk-size: 20
-        no-of-volumes: 4
+        disk-size: 15
+        no-of-volumes: 3
         role:
           - osd
           - rgw