diff --git a/contrail/environment/modules/contrail/manifests/lib/storage_common.pp b/contrail/environment/modules/contrail/manifests/lib/storage_common.pp
index bd04cf90..8a8a212f 100644
--- a/contrail/environment/modules/contrail/manifests/lib/storage_common.pp
+++ b/contrail/environment/modules/contrail/manifests/lib/storage_common.pp
@@ -166,6 +166,13 @@
     inject         => $inject_keys,
   }
 
+  if $contrail_num_storage_hosts > 1 {
+      $contrail_storage_replica_size = 3
+  } else {
+      $contrail_storage_replica_size = 1
+  }
+
+
     if 'storage-compute' in $contrail_host_roles {
       if $contrail_storage_osd_disks != '' {
         contrail::lib::storage_disk { $contrail_storage_osd_disks:}
@@ -175,7 +182,7 @@
         $contrail_pool_map = join($pool_data, "', '")
         $host_num_disk = size($contrail_storage_osd_disks)
 
-        ceph::pool {'internal': size => 1 } ->
+        ceph::pool {'internal': size => $contrail_storage_replica_size } ->
         file { 'compute_pool_config' :
           path    => '/opt/contrail/bin/compute_pool_config.py',
           content => template("${module_name}/compute-pool-config.erb"),
@@ -294,12 +301,6 @@
               Exec['setup_storage_chassis_config']-> Exec['setup-config-storage-openstack']
         }
 
-        if $contrail_num_storage_hosts > 1 {
-            $contrail_storage_replica_size = 2
-        } else {
-            $contrail_storage_replica_size = 1
-        }
-
         $contrail_ceph_pg_num = 32 * $contrail_storage_num_osd
         ## if no disks on this host, don't run pools related stuf
         ceph::pool{['data', 'metadata', 'rbd']:
diff --git a/contrail/environment/modules/contrail/manifests/lib/storage_disk.pp b/contrail/environment/modules/contrail/manifests/lib/storage_disk.pp
index 690f5471..2ee90690 100644
--- a/contrail/environment/modules/contrail/manifests/lib/storage_disk.pp
+++ b/contrail/environment/modules/contrail/manifests/lib/storage_disk.pp
@@ -48,6 +48,11 @@
   ->
   ceph::osd { $ready_disk_name:
     require => Contrail::Lib::Prepare_disk[$ready_disk_name]
+  } ->
+  exec {"hdparm_$ready_disk_name":
+    command   => "/sbin/hdparm -z ${disk_details[0]} || true",
+    provider  => shell,
+    logoutput => true,
   }
 }
 #contrail::lib::storage_disk {'/dev/sda':}