diff --git a/cinder_nimble-1.0-1.0.0-1.noarch.rpm b/cinder_nimble-1.0-1.0.0-1.noarch.rpm
index 6c679be..65b7fff 100644
Binary files a/cinder_nimble-1.0-1.0.0-1.noarch.rpm and b/cinder_nimble-1.0-1.0.0-1.noarch.rpm differ
diff --git a/deployment_scripts/puppet/manifests/default_type.pp b/deployment_scripts/puppet/manifests/default_type.pp
index 4000751..00a14dd 100644
--- a/deployment_scripts/puppet/manifests/default_type.pp
+++ b/deployment_scripts/puppet/manifests/default_type.pp
@@ -5,7 +5,8 @@ $cinder_nimble = hiera_hash('cinder_nimble', {})
 
 define plugin_cinder_nimble::check_if_default_backend_is_enabled (
 ) {
-  if ($cinder_nimble["nimble${name}_default_backend"]) == true {
+  if (($cinder_nimble["nimble${name}_default_backend"]) == true) and
+     (($cinder_nimble["nimble${name}_backend_type"]) != '') {
     class { 'plugin_cinder_nimble::backend::set_default_type' :
       config_file => $config_file,
       nimble_backend_type => $cinder_nimble["nimble${name}_backend_type"],
@@ -14,7 +15,8 @@ define plugin_cinder_nimble::check_if_default_backend_is_enabled (
 }
 
 if ($cinder_nimble['nimble_grouping']) == true {
-  if ($cinder_nimble["nimble_group_default_backend"]) == true {
+  if (($cinder_nimble['nimble_group_default_backend']) == true) and
+     (($cinder_nimble["nimble_group_backend_type"]) != '') {
     class { 'plugin_cinder_nimble::backend::set_default_type' :
       config_file => $config_file,
       nimble_backend_type => $cinder_nimble['nimble_group_backend_type'],
diff --git a/deployment_scripts/puppet/manifests/disable_default_type.pp b/deployment_scripts/puppet/manifests/disable_default_type.pp
index 6a1e30e..23e039f 100644
--- a/deployment_scripts/puppet/manifests/disable_default_type.pp
+++ b/deployment_scripts/puppet/manifests/disable_default_type.pp
@@ -8,7 +8,8 @@ $cinder_nimble = hiera_hash('cinder_nimble', {})
 
 define plugin_cinder_nimble::check_if_default_type_is_enabled (
 ) {
-  if ($cinder_nimble["nimble${name}_default_backend"]) == true {
+  if (($cinder_nimble["nimble${name}_default_backend"]) == true) and
+     (($cinder_nimble["nimble${name}_backend_type"]) != '') {
     class { 'plugin_cinder_nimble::backend::disable_default_type' :
       config_file => $config_file,
     }
@@ -16,7 +17,8 @@ define plugin_cinder_nimble::check_if_default_type_is_enabled (
 }
 
 if ($cinder_nimble['nimble_grouping']) == true {
-  if ($cinder_nimble['nimble_group_default_backend']) == true {
+  if (($cinder_nimble['nimble_group_default_backend']) == true) and
+     (($cinder_nimble["nimble_group_backend_type"]) != '') {
     class { 'plugin_cinder_nimble::backend::disable_default_type' :
       config_file => $config_file,
     }
diff --git a/deployment_scripts/puppet/manifests/hiera_override.pp b/deployment_scripts/puppet/manifests/hiera_override.pp
index b9a4be8..e6e9a3f 100644
--- a/deployment_scripts/puppet/manifests/hiera_override.pp
+++ b/deployment_scripts/puppet/manifests/hiera_override.pp
@@ -21,38 +21,57 @@ if ($cinder_nimble['nimble_grouping']) == true {
 $content = inline_template('
 storage:
   volume_backend_names:
+    __dummy__: false
+<% if @cinder_nimble["nimble_group_backend_type"] != "" -%>
     <%= @cinder_nimble["nimble_group_backend_type"] %>: <%= @cinder_nimble["nimble_group_backend_name"] %>
+<% end %>
   nimble_encryption:
-    <%= @cinder_nimble["nimble_group_backend_type"] %>: <%= @cinder_nimble["nimble_group_encryption"] -%>
-<% if @cinder_nimble["nimble_group_perfpol"] != "" %>
+    __dummy__: __dummy__
+<% if @cinder_nimble["nimble_group_backend_type"] != "" -%>
+    <%= @cinder_nimble["nimble_group_backend_type"] %>: <%= @cinder_nimble["nimble_group_encryption"] %>
+<% end %>
   nimble_perfpol:
-    <%= @cinder_nimble["nimble_group_backend_type"] %>: <%= @cinder_nimble["nimble_group_perfpol"] -%>
+    __dummy__: __dummy__
+<% if (@cinder_nimble["nimble_group_perfpol"] != "") and (@cinder_nimble["nimble_group_backend_type"] != "") -%>
+    <%= @cinder_nimble["nimble_group_backend_type"] %>: <%= @cinder_nimble["nimble_group_perfpol"] %>
 <% end %>
   nimble_multi_init:
+    __dummy__: __dummy__
+<% if @cinder_nimble["nimble_group_backend_type"] != "" -%>
     <%= @cinder_nimble["nimble_group_backend_type"] %>: <%= @cinder_nimble["nimble_group_multi_init"] %>
+<% end %>
 ')
 }
 else {
 $content = inline_template('
 storage:
   volume_backend_names:
+    __dummy__: false
 <% @range_array.each do |i| -%>
-    <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_backend_name"] %>
+<% if @cinder_nimble["nimble#{i}_backend_type"] != "" -%>
+    <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_backend_name"] -%>
+<% end %>
 <% end %>
   nimble_encryption:
+    __dummy__: __dummy__
 <% @range_array.each do |i| -%>
-    <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_encryption"] %>
+<% if @cinder_nimble["nimble#{i}_backend_type"] != "" -%>
+    <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_encryption"] -%>
+<% end %>
 <% end %>
   nimble_perfpol:
     __dummy__: __dummy__
 <% @range_array.each do |i| -%>
-<% if @cinder_nimble["nimble#{i}_perfpol"] != "" -%>
+<% if (@cinder_nimble["nimble#{i}_perfpol"] != "") and (@cinder_nimble["nimble#{i}_backend_type"] != "") -%>
     <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_perfpol"] -%>
 <% end %>
 <% end %>
   nimble_multi_init:
+    __dummy__: __dummy__
 <% @range_array.each do |i| -%>
-    <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_multi_init"] %>
+<% if @cinder_nimble["nimble#{i}_backend_type"] != "" -%>
+    <%= @cinder_nimble["nimble#{i}_backend_type"] %>: <%= @cinder_nimble["nimble#{i}_multi_init"] -%>
+<% end %>
 <% end %>
 ')
 }
diff --git a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/enable_backend.pp b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/enable_backend.pp
index cac3958..bb0e87f 100644
--- a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/enable_backend.pp
+++ b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/enable_backend.pp
@@ -12,6 +12,6 @@ define plugin_cinder_nimble::backend::enable_backend (
     setting              => 'enabled_backends',
     subsetting           => $name,
     subsetting_separator => ',',
-    use_exact_match      => true,	
+    use_exact_match      => true,
   }
 }
diff --git a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_encryption.pp b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_encryption.pp
index 631c06a..9424f9a 100644
--- a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_encryption.pp
+++ b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_encryption.pp
@@ -2,10 +2,11 @@ class plugin_cinder_nimble::backend::set_extraspecs_encryption (
 ) {
   $storage_hash         = hiera_hash('storage', {})
   $nimble_encryption    = $storage_hash['nimble_encryption']
-  $available_backend_names   = keys($nimble_encryption)	
+  $available_backends        = delete_values($nimble_encryption, '__dummy__')
+  $available_backend_names   = keys($available_backends)
   ::osnailyfacter::openstack::manage_cinder_types { $available_backend_names:
     ensure               => 'present',
-    volume_backend_names => $nimble_encryption,
+    volume_backend_names => $available_backends,
     key                  => 'nimble:encryption'
   }
 }
diff --git a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_multi_init.pp b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_multi_init.pp
index fc5569c..de91c10 100644
--- a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_multi_init.pp
+++ b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_multi_init.pp
@@ -2,10 +2,11 @@ class plugin_cinder_nimble::backend::set_extraspecs_multi_init (
 ) {
   $storage_hash    = hiera_hash('storage', {})
   $nimble_multi_init    = $storage_hash['nimble_multi_init']
-  $available_backend_names   = keys($nimble_multi_init)
+  $available_backends        = delete_values($nimble_multi_init, '__dummy__')
+  $available_backend_names   = keys($available_backends)
   ::osnailyfacter::openstack::manage_cinder_types { $available_backend_names:
     ensure               => 'present',
-    volume_backend_names => $nimble_multi_init,
+    volume_backend_names => $available_backends,
     key                  => 'nimble:multi-initiator'
   }
 }
diff --git a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_perfpol.pp b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_perfpol.pp
index 88320aa..36ec491 100644
--- a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_perfpol.pp
+++ b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_extraspecs_perfpol.pp
@@ -2,13 +2,11 @@ class plugin_cinder_nimble::backend::set_extraspecs_perfpol (
 ) {
   $storage_hash    = hiera_hash('storage', {})
   $nimble_perfpol    = $storage_hash['nimble_perfpol']
-  if ! empty($nimble_perfpol) {
-    $available_backends        = delete_values($nimble_perfpol, '__dummy__')
-    $available_backend_names   = keys($available_backends) 
-    ::osnailyfacter::openstack::manage_cinder_types { $available_backend_names:
-      ensure               => 'present',
-      volume_backend_names => $available_backends,
-      key                  => 'nimble:perfpol-name'
-    }
+  $available_backends        = delete_values($nimble_perfpol, '__dummy__')
+  $available_backend_names   = keys($available_backends)
+  ::osnailyfacter::openstack::manage_cinder_types { $available_backend_names:
+    ensure               => 'present',
+    volume_backend_names => $available_backends,
+    key                  => 'nimble:perfpol-name'
   }
 }
diff --git a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_backend.pp b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_backend.pp
index 78e93bb..ac9aee1 100644
--- a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_backend.pp
+++ b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_backend.pp
@@ -1,7 +1,8 @@
 define plugin_cinder_nimble::backend::set_nimble_backend (
   $backend_id,
   $index,
-  $cinder_nimble = $plugin_cinder_nimble::params::cinder_nimble
+  $cinder_nimble = $plugin_cinder_nimble::params::cinder_nimble,
+  $config_file = $plugin_cinder_nimble::params::config_file
 ) {
 
   include plugin_cinder_nimble::params
@@ -28,13 +29,30 @@ define plugin_cinder_nimble::backend::set_nimble_backend (
 
   # Check whether grouping is enabled and adjust volume_backend_name accordingly
   if ($cinder_nimble['nimble_grouping']) == true {
-    $nimble_backend_name = "${nimble_group_backend_name}_${backend_id}"
+    if ($cinder_nimble["nimble${backend_id}_cinder_service_name"]) != '' {
+      $nimble_backend_name = $cinder_nimble["nimble${backend_id}_cinder_service_name"]
+    }
+    else {
+      $nimble_backend_name = "${nimble_group_backend_name}_${backend_id}"
+    }
     $nimble_volume_backend_name = "${nimble_group_backend_name}"
   }
   else {
-    $nimble_backend_name = "${cinder_nimble["nimble${backend_id}_backend_name"]}"
+    if ($cinder_nimble["nimble${backend_id}_cinder_service_name"]) != '' {
+      $nimble_backend_name = $cinder_nimble["nimble${backend_id}_cinder_service_name"]
+    }
+    else {
+      $nimble_backend_name = "${cinder_nimble["nimble${backend_id}_backend_name"]}"
+    }
     $nimble_volume_backend_name = "${cinder_nimble["nimble${backend_id}_backend_name"]}"
   }
+  # Pool name selection
+  if ($cinder_nimble["nimble${backend_id}_pool_name"]) != '' {
+    $nimble_pool_name = $cinder_nimble["nimble${backend_id}_pool_name"]
+  }
+  else {
+    $nimble_pool_name = 'default'
+  }
 
   Cinder_config <||> -> Plugin_cinder_nimble::Backend::Enable_backend[$nimble_backend_name] ~> Service <||>
   Cinder_config <||> ~> Service <||>
@@ -45,6 +63,20 @@ define plugin_cinder_nimble::backend::set_nimble_backend (
     "$nimble_backend_name/san_ip":                          value => $cinder_nimble["nimble${backend_id}_san_ip"];
     "$nimble_backend_name/san_login":                       value => $cinder_nimble["nimble${backend_id}_login"];
     "$nimble_backend_name/san_password":                    value => $nimble_password;
+    "$nimble_backend_name/nimble_pool_name":                value => $nimble_pool_name;
+    "$nimble_backend_name/use_multipath_for_image_xfer":    value => $cinder_nimble["nimble${backend_id}_mp_img_xfer"];
+  }
+
+  # nimble_subnet_label enabled only when iSCSI and non-nil!
+  if (($cinder_nimble["nimble${backend_id}_subnet_label"]) != '') and (($cinder_nimble["nimble${backend_id}_backend_protocol"]) == 'iSCSI'){
+    cinder_config { "$nimble_backend_name/nimble_subnet_label":
+      value => $cinder_nimble["nimble${backend_id}_subnet_label"],
+    }
+  }
+  else {
+    cinder_config { "$nimble_backend_name/nimble_subnet_label":
+      ensure => absent,
+    }
   }
 
   # Adds the backend in <enabled_backends> parameter
diff --git a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_cinder_type.pp b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_cinder_type.pp
index 5f93928..000fd88 100644
--- a/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_cinder_type.pp
+++ b/deployment_scripts/puppet/modules/plugin_cinder_nimble/manifests/backend/set_nimble_cinder_type.pp
@@ -2,10 +2,8 @@ class plugin_cinder_nimble::backend::set_nimble_cinder_type (
 ) {
   $storage_hash    = hiera_hash('storage', {})
   $backends        = $storage_hash['volume_backend_names']
-
   $available_backends        = delete_values($backends, false)
   $available_backend_names   = keys($available_backends)
-
   ::osnailyfacter::openstack::manage_cinder_types { $available_backend_names:
     ensure               => 'present',
     volume_backend_names => $available_backends,
diff --git a/deployment_tasks.yaml b/deployment_tasks.yaml
index 52e9dac..cbbe9a8 100644
--- a/deployment_tasks.yaml
+++ b/deployment_tasks.yaml
@@ -86,13 +86,13 @@
 # Post Deployment tasks
 
 # Set the default volume type to the nimble type in <default_volume_type> parameter
-- id: disable_default_type 
+- id: disable_default_type
   role: [primary-controller, controller]
   required_for: [post_deployment_end]
   requires: [post_deployment_start]
   type: puppet
   parameters:
-    puppet_manifest: puppet/manifests/disable_default_type.pp 
+    puppet_manifest: puppet/manifests/disable_default_type.pp
     puppet_modules:  "puppet/modules/:/etc/puppet/modules/"
     timeout: 360
 
diff --git a/environment_config.yaml b/environment_config.yaml
index beb05ec..87fec81 100644
--- a/environment_config.yaml
+++ b/environment_config.yaml
@@ -6,7 +6,7 @@ attributes:
 # Number of Backends. Is there a dynamic way to build UI without this?
   no_backends:
     type: 'select'
-    weight: 11 
+    weight: 11
     value: '1'
     label: 'Nimble backends'
     description: 'Number of Nimble backends'
@@ -26,7 +26,7 @@ attributes:
     value: false
     label: 'Group all backends to same volume_backend_name'
     description: 'Specify if all Nimble Storage backends needs to be grouped to a volume type'
-    weight: 12 
+    weight: 12
     type: 'checkbox'
 # Group Backend details
   nimble_group_backend_name:
@@ -47,23 +47,26 @@ attributes:
     description: 'Volume Type for Nimble Storage backends group in cinder'
     weight: 14
     type: "text"
-    regex:
-      source: '^(?!\s*$).+'
-      error: 'Error: Volume Type Name cannot be blank'
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == false"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble_group_backend_type.value == ''"
+        message: "During re-deployment, Volume Type cannot be removed by setting this field blank. Old type will be retained. Delete Volume Type manually if needed."
+        action: 'none'
   nimble_group_default_backend:
     type: 'checkbox'
-    value: false 
+    value: false
     weight: 15
     label: 'Set as Default Type?'
-    description: 'Set the Nimble backend group as the default type' 
+    description: 'Set the Nimble backend group as the default type'
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == false"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble_group_backend_type.value == ''"
+        message: "Since Group Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble_group_encryption:
-    value: false 
+    value: false
     label: 'Encryption enabled?'
     description: 'Specify if Nimble Storage backends needs to be encypted'
     weight: 16
@@ -71,8 +74,11 @@ attributes:
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == false"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble_group_backend_type.value == ''"
+        message: "Since Group Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble_group_multi_init:
-    value: false 
+    value: false
     label: 'Multi-Initiator enabled?'
     description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
     weight: 17
@@ -80,6 +86,9 @@ attributes:
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == false"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble_group_backend_type.value == ''"
+        message: "Since Group Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble_group_perfpol:
     value: ""
     type: "text"
@@ -90,26 +99,39 @@ attributes:
       - condition: "settings:cinder_nimble.nimble_grouping.value == false"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_group_perfpol.value == ''"
-        message: "Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        message: "During re-deployment, Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        action: 'none'
+      - condition: "settings:cinder_nimble.nimble_group_backend_type.value == ''"
+        message: "Since Group Volume Type Name field is blank, this setting will be ignored during deployment."
         action: 'none'
 # Individual Backend details
   nimble1_backend_divider:
-    value: '' 
+    value: ''
     label: "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
     description: ''
-    weight: 19 
+    weight: 19
     type: "hidden"
   nimble1_backend_label:
-    value: '' 
+    value: ''
     label: 'Nimble Backend #1'
     description: 'Details for Nimble Backend #1'
     weight: 21
     type: "radio"
+  nimble1_cinder_service_name:
+    value: ''
+    label: 'Cinder Service Name'
+    description: 'Stanza title for backend definition in cinder.conf, which will become the Cinder Service Name. Will be autogenerated if left blank.'
+    weight: 22
+    type: "text"
+    restrictions:
+      - condition: "settings:cinder_nimble.nimble1_cinder_service_name.value != ''"
+        message: "Use with caution! For successful deployment, make sure Cinder Service Name is unique across backends. Please avoid using 'volume_backend_name_##' format or 'volume_backend_name' itself as it may conflict with autogenerated service names."
+        action: 'none'
   nimble1_backend_name:
     value: 'cinder_nimble1'
     label: 'Backend Name'
     description: '"volume_backend_name" for Nimble Storage backend in cinder'
-    weight: 22
+    weight: 23
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -121,20 +143,20 @@ attributes:
     value: 'cinder_nimble1'
     label: 'Volume Type Name'
     description: 'Volume Type for Nimble Storage backend in cinder'
-    weight: 23
+    weight: 24
     type: "text"
-    regex:
-      source: '^(?!\s*$).+'
-      error: 'Error: Volume Type Name cannot be blank'
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble1_backend_type.value == ''"
+        message: "During re-deployment, Volume Type cannot be removed by setting this field blank. Old type will be retained. Delete Volume Type manually if needed."
+        action: 'none'
   nimble1_default_backend:
     type: 'checkbox'
-    value: false 
-    weight: 24 
+    value: false
+    weight: 25
     label: 'Set as Default Type?'
-    description: 'Set the Nimble backend #1 as the default type' 
+    description: 'Set the Nimble backend #1 as the default type'
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
@@ -150,6 +172,9 @@ attributes:
       - condition: "settings:cinder_nimble.nimble5_default_backend.value == true"
         action: 'disable'
         message: "Backend #5 is selected as default type."
+      - condition: "settings:cinder_nimble.nimble1_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble1_backend_protocol:
     value: 'iSCSI'
     values:
@@ -161,13 +186,13 @@ attributes:
           description: "Enables Fibre Channel protocol for block storage volumes"
     label: 'Storage Protocol to be used with Nimble Array Backend'
     description: ''
-    weight: 25
+    weight: 26
     type: "radio"
   nimble1_san_ip:
     value: ""
     label: 'Nimble Storage Management IP'
     description: 'The hostname (or IP address) for Nimble Storage Management IP'
-    weight: 26
+    weight: 27
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -175,7 +200,7 @@ attributes:
   nimble1_login:
     value: ""
     type: "text"
-    weight: 27
+    weight: 28
     label: "User ID for Nimble Storage"
     description: "Nimble Storage username/ID (with admin privilages)"
     regex:
@@ -184,65 +209,108 @@ attributes:
   nimble1_password:
     value: ""
     type: "password"
-    weight: 28
+    weight: 29
     label: "Password for Nimble Storage"
     description: "Nimble Storage password for username/ID above"
     regex:
       source: '^(?!\s*$).+'
       error: "Error: Password cannot be blank"
-  nimble1_encryption:
-    value: false 
-    label: 'Encryption enabled?'
-    description: 'Specify if Nimble Storage backend needs to be encypted'
-    weight: 29
-    type: 'checkbox'
-    restrictions:
-      - condition: "settings:cinder_nimble.nimble_grouping.value == true"
-        action: 'hide'
-  nimble1_multi_init:
-    value: false 
-    label: 'Multi-Initiator enabled?'
-    description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
+  nimble1_subnet_label:
+    value: ""
+    type: "text"
     weight: 30
-    type: 'checkbox'
+    label: "Subnet Label"
+    description: "Nimble Storage data network Subnet Label if more than one data network"
     restrictions:
-      - condition: "settings:cinder_nimble.nimble_grouping.value == true"
-        action: 'hide'
-  nimble1_perfpol:
+      - condition: "settings:cinder_nimble.nimble1_backend_protocol.value != 'iSCSI'"
+        message: "Subnet Label is valid for iSCSI protocol only, this setting will be ignored during deployment."
+        action: 'none'
+  nimble1_pool_name:
     value: ""
     type: "text"
     weight: 31
+    label: "Pool Name"
+    description: "Nimble Storage Pool Name (blank will use Nimble default storage pool)"
+  nimble1_mp_img_xfer:
+    value: false
+    label: 'Use multipath for Image transfer?'
+    description: 'Attach/Detach volumes in cinder using multipath for volume to image, and image to volume transfers'
+    weight: 32
+    type: 'checkbox'
+  nimble1_encryption:
+    value: false
+    label: 'Encryption enabled?'
+    description: 'Specify if Nimble Storage backend needs to be encypted'
+    weight: 33
+    type: 'checkbox'
+    restrictions:
+      - condition: "settings:cinder_nimble.nimble_grouping.value == true"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble1_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
+  nimble1_multi_init:
+    value: false
+    label: 'Multi-Initiator enabled?'
+    description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
+    weight: 34
+    type: 'checkbox'
+    restrictions:
+      - condition: "settings:cinder_nimble.nimble_grouping.value == true"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble1_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
+  nimble1_perfpol:
+    value: ""
+    type: "text"
+    weight: 35
     label: "Performance policy name"
     description: "Performance policy name for Nimble Storage backend"
     restrictions:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble1_perfpol.value == ''"
-        message: "Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        message: "During re-deployment, Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        action: 'none'
+      - condition: "settings:cinder_nimble.nimble1_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
         action: 'none'
   nimble2_backend_divider:
-    value: '' 
+    value: ''
     label: "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
     description: ''
-    weight: 32 
+    weight: 36
     type: "hidden"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
   nimble2_backend_label:
-    value: '' 
+    value: ''
     label: 'Nimble Backend #2'
     description: 'Details for Nimble Backend #2'
-    weight: 34
+    weight: 38
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
+  nimble2_cinder_service_name:
+    value: ''
+    label: 'Cinder Service Name'
+    description: 'Stanza title for backend definition in cinder.conf, which will become the Cinder Service Name. Will be autogenerated if left blank.'
+    weight: 39
+    type: "text"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble2_cinder_service_name.value != ''"
+        message: "Use with caution! For successful deployment, make sure Cinder Service Name is unique across backends. Please avoid using 'volume_backend_name_##' format or 'volume_backend_name' itself as it may conflict with autogenerated service names."
+        action: 'none'
   nimble2_backend_name:
     value: 'cinder_nimble2'
     label: 'Backend Name'
     description: '"volume_backend_name" for Nimble Storage backend in cinder'
-    weight: 35 
+    weight: 40
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -256,22 +324,22 @@ attributes:
     value: 'cinder_nimble2'
     label: 'Volume Type Name'
     description: 'Volume Type for Nimble Storage backend in cinder'
-    weight: 36
+    weight: 41
     type: "text"
-    regex:
-      source: '^(?!\s*$).+'
-      error: 'Error: Volume Type Name cannot be blank'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble2_backend_type.value == ''"
+        message: "During re-deployment, Volume Type cannot be removed by setting this field blank. Old type will be retained. Delete Volume Type manually if needed."
+        action: 'none'
   nimble2_default_backend:
     type: 'checkbox'
-    value: false 
-    weight: 37
+    value: false
+    weight: 42
     label: 'Set as Default Type?'
-    description: 'Set the Nimble backend #2 as the default type' 
+    description: 'Set the Nimble backend #2 as the default type'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -289,6 +357,9 @@ attributes:
       - condition: "settings:cinder_nimble.nimble5_default_backend.value == true"
         action: 'disable'
         message: "Backend #5 is selected as default type."
+      - condition: "settings:cinder_nimble.nimble2_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble2_backend_protocol:
     value: 'iSCSI'
     values:
@@ -300,7 +371,7 @@ attributes:
           description: "Enables Fibre Channel protocol for block storage volumes"
     label: 'Nimble Storage Protocol'
     description: ''
-    weight: 38 
+    weight: 43
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -309,7 +380,7 @@ attributes:
     value: ""
     label: 'Nimble Storage Management IP'
     description: 'The hostname (or IP address) for Nimble Storage Management IP'
-    weight: 39
+    weight: 44
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -320,7 +391,7 @@ attributes:
   nimble2_login:
     value: ""
     type: "text"
-    weight: 40
+    weight: 45
     label: "User ID for Nimble Storage"
     description: "Nimble Storage username/ID (with admin privilages)"
     regex:
@@ -332,7 +403,7 @@ attributes:
   nimble2_password:
     value: ""
     type: "password"
-    weight: 41
+    weight: 46
     label: "Password for Nimble Storage"
     description: "Nimble Storage password for username/ID above"
     regex:
@@ -341,32 +412,68 @@ attributes:
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
+  nimble2_subnet_label:
+    value: ""
+    type: "text"
+    weight: 47
+    label: "Subnet Label"
+    description: "Nimble Storage data network Subnet Label if more than one data network"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble2_backend_protocol.value != 'iSCSI'"
+        message: "Subnet Label is valid for iSCSI protocol only, this setting will be ignored during deployment."
+        action: 'none'
+  nimble2_pool_name:
+    value: ""
+    type: "text"
+    weight: 48
+    label: "Pool Name"
+    description: "Nimble Storage Pool Name (blank will use Nimble default storage pool)"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+  nimble2_mp_img_xfer:
+    value: false
+    label: 'Use multipath for Image transfer?'
+    description: 'Attach/Detach volumes in cinder using multipath for volume to image, and image to volume transfers'
+    weight: 49
+    type: 'checkbox'
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
   nimble2_encryption:
-    value: false 
+    value: false
     label: 'Encryption enabled?'
     description: 'Specify if Nimble Storage backend needs to be encypted'
-    weight: 42
+    weight: 50
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble2_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble2_multi_init:
-    value: false 
+    value: false
     label: 'Multi-Initiator enabled?'
     description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
-    weight: 43
+    weight: 51
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble2_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble2_perfpol:
     value: ""
     type: "text"
-    weight: 44
+    weight: 52
     label: "Performance policy name"
     description: "Performance policy name for Nimble Storage backend"
     restrictions:
@@ -375,13 +482,16 @@ attributes:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble2_perfpol.value == ''"
-        message: "Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        message: "During re-deployment, Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        action: 'none'
+      - condition: "settings:cinder_nimble.nimble2_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
         action: 'none'
   nimble3_backend_divider:
-    value: '' 
+    value: ''
     label: "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
     description: ''
-    weight: 45 
+    weight: 53
     type: "hidden"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -389,21 +499,35 @@ attributes:
       - condition: "settings:cinder_nimble.no_backends.value == '2'"
         action: 'hide'
   nimble3_backend_label:
-    value: '' 
+    value: ''
     label: 'Nimble Backend #3'
     description: 'Details for Nimble Backend #3'
-    weight: 47 
+    weight: 55
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
       - condition: "settings:cinder_nimble.no_backends.value == '2'"
         action: 'hide'
+  nimble3_cinder_service_name:
+    value: ''
+    label: 'Cinder Service Name'
+    description: 'Stanza title for backend definition in cinder.conf, which will become the Cinder Service Name. Will be autogenerated if left blank.'
+    weight: 56
+    type: "text"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble3_cinder_service_name.value != ''"
+        message: "Use with caution! For successful deployment, make sure Cinder Service Name is unique across backends. Please avoid using 'volume_backend_name_##' format or 'volume_backend_name' itself as it may conflict with autogenerated service names."
+        action: 'none'
   nimble3_backend_name:
     value: 'cinder_nimble3'
     label: 'Backend Name'
     description: '"volume_backend_name" for Nimble Storage backend in cinder'
-    weight: 48 
+    weight: 57
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -419,11 +543,8 @@ attributes:
     value: 'cinder_nimble3'
     label: 'Volume Type Name'
     description: 'Volume Type for Nimble Storage backend in cinder'
-    weight: 49
+    weight: 58
     type: "text"
-    regex:
-      source: '^(?!\s*$).+'
-      error: 'Error: Volume Type Name cannot be blank'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -431,12 +552,15 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble3_backend_type.value == ''"
+        message: "During re-deployment, Volume Type cannot be removed by setting this field blank. Old type will be retained. Delete Volume Type manually if needed."
+        action: 'none'
   nimble3_default_backend:
     type: 'checkbox'
-    value: false 
-    weight: 50 
+    value: false
+    weight: 59
     label: 'Set as Default Type?'
-    description: 'Set the Nimble backend #3 as the default type' 
+    description: 'Set the Nimble backend #3 as the default type'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -456,6 +580,9 @@ attributes:
       - condition: "settings:cinder_nimble.nimble5_default_backend.value == true"
         action: 'disable'
         message: "Backend #5 is selected as default type."
+      - condition: "settings:cinder_nimble.nimble3_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble3_backend_protocol:
     value: 'iSCSI'
     values:
@@ -467,7 +594,7 @@ attributes:
           description: "Enables Fibre Channel protocol for block storage volumes"
     label: 'Storage Protocol to be used with Nimble Array Backend'
     description: ''
-    weight: 51 
+    weight: 60
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -478,7 +605,7 @@ attributes:
     value: ""
     label: 'Nimble Storage Management IP'
     description: 'The hostname (or IP address) for Nimble Storage Management IP'
-    weight: 52 
+    weight: 61
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -491,7 +618,7 @@ attributes:
   nimble3_login:
     value: ""
     type: "text"
-    weight: 53 
+    weight: 62
     label: "User ID for Nimble Storage"
     description: "Nimble Storage username/ID (with admin privilages)"
     regex:
@@ -505,7 +632,7 @@ attributes:
   nimble3_password:
     value: ""
     type: "password"
-    weight: 54 
+    weight: 63
     label: "Password for Nimble Storage"
     description: "Nimble Storage password for username/ID above"
     regex:
@@ -516,11 +643,47 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.no_backends.value == '2'"
         action: 'hide'
+  nimble3_subnet_label:
+    value: ""
+    type: "text"
+    weight: 64
+    label: "Subnet Label"
+    description: "Nimble Storage data network Subnet Label if more than one data network"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble3_backend_protocol.value != 'iSCSI'"
+        message: "Subnet Label is valid for iSCSI protocol only, this setting will be ignored during deployment."
+        action: 'none'
+  nimble3_pool_name:
+    value: ""
+    type: "text"
+    weight: 65
+    label: "Pool Name"
+    description: "Nimble Storage Pool Name (blank will use Nimble default storage pool)"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+  nimble3_mp_img_xfer:
+    value: false
+    label: 'Use multipath for Image transfer?'
+    description: 'Attach/Detach volumes in cinder using multipath for volume to image, and image to volume transfers'
+    weight: 66
+    type: 'checkbox'
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
   nimble3_encryption:
-    value: false 
+    value: false
     label: 'Encryption enabled?'
     description: 'Specify if Nimble Storage backend needs to be encypted'
-    weight: 55 
+    weight: 67
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -529,11 +692,14 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble3_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble3_multi_init:
-    value: false 
+    value: false
     label: 'Multi-Initiator enabled?'
     description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
-    weight: 56 
+    weight: 68
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -542,10 +708,13 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble3_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble3_perfpol:
     value: ""
     type: "text"
-    weight: 57 
+    weight: 69
     label: "Performance policy name"
     description: "Performance policy name for Nimble Storage backend"
     restrictions:
@@ -556,13 +725,16 @@ attributes:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble3_perfpol.value == ''"
-        message: "Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        message: "During re-deployment, Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        action: 'none'
+      - condition: "settings:cinder_nimble.nimble3_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
         action: 'none'
   nimble4_backend_divider:
-    value: '' 
+    value: ''
     label: "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
     description: ''
-    weight: 58 
+    weight: 70
     type: "hidden"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -572,10 +744,10 @@ attributes:
       - condition: "settings:cinder_nimble.no_backends.value == '3'"
         action: 'hide'
   nimble4_backend_label:
-    value: '' 
+    value: ''
     label: 'Nimble Backend #4'
     description: 'Details for Nimble Backend #4'
-    weight: 60 
+    weight: 72
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -584,11 +756,27 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.no_backends.value == '3'"
         action: 'hide'
+  nimble4_cinder_service_name:
+    value: ''
+    label: 'Cinder Service Name'
+    description: 'Stanza title for backend definition in cinder.conf, which will become the Cinder Service Name. Will be autogenerated if left blank.'
+    weight: 73
+    type: "text"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble4_cinder_service_name.value != ''"
+        message: "Use with caution! For successful deployment, make sure Cinder Service Name is unique across backends. Please avoid using 'volume_backend_name_##' format or 'volume_backend_name' itself as it may conflict with autogenerated service names."
+        action: 'none'
   nimble4_backend_name:
     value: 'cinder_nimble4'
     label: 'Backend Name'
     description: '"volume_backend_name" for Nimble Storage backend in cinder'
-    weight: 61 
+    weight: 74
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -606,11 +794,8 @@ attributes:
     value: 'cinder_nimble4'
     label: 'Volume Type Name'
     description: 'Volume Type for Nimble Storage backend in cinder'
-    weight: 62 
+    weight: 75
     type: "text"
-    regex:
-      source: '^(?!\s*$).+'
-      error: 'Error: Volume Type Name cannot be blank'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -620,12 +805,15 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble4_backend_type.value == ''"
+        message: "During re-deployment, Volume Type cannot be removed by setting this field blank. Old type will be retained. Delete Volume Type manually if needed."
+        action: 'none'
   nimble4_default_backend:
     type: 'checkbox'
-    value: false 
-    weight: 63 
+    value: false
+    weight: 76
     label: 'Set as Default Type?'
-    description: 'Set the Nimble backend #4 as the default type' 
+    description: 'Set the Nimble backend #4 as the default type'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -647,6 +835,9 @@ attributes:
       - condition: "settings:cinder_nimble.nimble5_default_backend.value == true"
         action: 'disable'
         message: "Backend #5 is selected as default type."
+      - condition: "settings:cinder_nimble.nimble4_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble4_backend_protocol:
     value: 'iSCSI'
     values:
@@ -658,7 +849,7 @@ attributes:
           description: "Enables Fibre Channel protocol for block storage volumes"
     label: 'Storage Protocol to be used with Nimble Array Backend'
     description: ''
-    weight: 64 
+    weight: 77
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -671,7 +862,7 @@ attributes:
     value: ""
     label: 'Nimble Storage Management IP'
     description: 'The hostname (or IP address) for Nimble Storage Management IP'
-    weight: 65 
+    weight: 78
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -686,7 +877,7 @@ attributes:
   nimble4_login:
     value: ""
     type: "text"
-    weight: 66 
+    weight: 79
     label: "User ID for Nimble Storage"
     description: "Nimble Storage username/ID (with admin privilages)"
     regex:
@@ -702,7 +893,7 @@ attributes:
   nimble4_password:
     value: ""
     type: "password"
-    weight: 67 
+    weight: 80
     label: "Password for Nimble Storage"
     description: "Nimble Storage password for username/ID above"
     regex:
@@ -715,11 +906,53 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.no_backends.value == '3'"
         action: 'hide'
+  nimble4_subnet_label:
+    value: ""
+    type: "text"
+    weight: 81
+    label: "Subnet Label"
+    description: "Nimble Storage data network Subnet Label if more than one data network"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble4_backend_protocol.value != 'iSCSI'"
+        message: "Subnet Label is valid for iSCSI protocol only, this setting will be ignored during deployment."
+        action: 'none'
+  nimble4_pool_name:
+    value: ""
+    type: "text"
+    weight: 82
+    label: "Pool Name"
+    description: "Nimble Storage Pool Name (blank will use Nimble default storage pool)"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+  nimble4_mp_img_xfer:
+    value: false
+    label: 'Use multipath for Image transfer?'
+    description: 'Attach/Detach volumes in cinder using multipath for volume to image, and image to volume transfers'
+    weight: 83
+    type: 'checkbox'
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
   nimble4_encryption:
-    value: false 
+    value: false
     label: 'Encryption enabled?'
     description: 'Specify if Nimble Storage backend needs to be encypted'
-    weight: 68 
+    weight: 84
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -730,11 +963,14 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble4_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble4_multi_init:
-    value: false 
+    value: false
     label: 'Multi-Initiator enabled?'
     description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
-    weight: 69 
+    weight: 85
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -745,10 +981,13 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble4_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble4_perfpol:
     value: ""
     type: "text"
-    weight: 70 
+    weight: 86
     label: "Performance policy name"
     description: "Performance policy name for Nimble Storage backend"
     restrictions:
@@ -761,13 +1000,16 @@ attributes:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble4_perfpol.value == ''"
-        message: "Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        message: "During re-deployment, Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        action: 'none'
+      - condition: "settings:cinder_nimble.nimble4_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
         action: 'none'
   nimble5_backend_divider:
-    value: '' 
+    value: ''
     label: "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
     description: ''
-    weight: 71 
+    weight: 87
     type: "hidden"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -779,10 +1021,10 @@ attributes:
       - condition: "settings:cinder_nimble.no_backends.value == '4'"
         action: 'hide'
   nimble5_backend_label:
-    value: '' 
+    value: ''
     label: 'Nimble Backend #5'
     description: 'Details for Nimble Backend #5'
-    weight: 73 
+    weight: 89
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -793,11 +1035,29 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.no_backends.value == '4'"
         action: 'hide'
+  nimble5_cinder_service_name:
+    value: ''
+    label: 'Cinder Service Name'
+    description: 'Stanza title for backend definition in cinder.conf, which will become the Cinder Service Name. Will be autogenerated if left blank.'
+    weight: 90
+    type: "text"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '4'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble5_cinder_service_name.value != ''"
+        message: "Use with caution! For successful deployment, make sure Cinder Service Name is unique across backends. Please avoid using 'volume_backend_name_##' format or 'volume_backend_name' itself as it may conflict with autogenerated service names."
+        action: 'none'
   nimble5_backend_name:
     value: 'cinder_nimble5'
     label: 'Backend Name'
     description: '"volume_backend_name" for Nimble Storage backend in cinder'
-    weight: 74 
+    weight: 91
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -817,11 +1077,8 @@ attributes:
     value: 'cinder_nimble5'
     label: 'Volume Type Name'
     description: 'Volume Type for Nimble Storage backend in cinder'
-    weight: 75 
+    weight: 92
     type: "text"
-    regex:
-      source: '^(?!\s*$).+'
-      error: 'Error: Volume Type Name cannot be blank'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -833,12 +1090,15 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble5_backend_type.value == ''"
+        message: "During re-deployment, Volume Type cannot be removed by setting this field blank. Old type will be retained. Delete Volume Type manually if needed."
+        action: 'none'
   nimble5_default_backend:
     type: 'checkbox'
-    value: false 
-    weight: 76 
+    value: false
+    weight: 93
     label: 'Set as Default Type?'
-    description: 'Set the Nimble backend #5 as the default type' 
+    description: 'Set the Nimble backend #5 as the default type'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
         action: 'hide'
@@ -862,6 +1122,9 @@ attributes:
       - condition: "settings:cinder_nimble.nimble4_default_backend.value == true"
         action: 'disable'
         message: "Backend #4 is selected as default type."
+      - condition: "settings:cinder_nimble.nimble5_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble5_backend_protocol:
     value: 'iSCSI'
     values:
@@ -873,7 +1136,7 @@ attributes:
           description: "Enables Fibre Channel protocol for block storage volumes"
     label: 'Storage Protocol to be used with Nimble Array Backend'
     description: ''
-    weight: 77 
+    weight: 94
     type: "radio"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -888,7 +1151,7 @@ attributes:
     value: ""
     label: 'Nimble Storage Management IP'
     description: 'The hostname (or IP address) for Nimble Storage Management IP'
-    weight: 78 
+    weight: 95
     type: "text"
     regex:
       source: '^(?!\s*$).+'
@@ -905,7 +1168,7 @@ attributes:
   nimble5_login:
     value: ""
     type: "text"
-    weight: 79 
+    weight: 96
     label: "User ID for Nimble Storage"
     description: "Nimble Storage username/ID (with admin privilages)"
     regex:
@@ -923,7 +1186,7 @@ attributes:
   nimble5_password:
     value: ""
     type: "password"
-    weight: 80 
+    weight: 97
     label: "Password for Nimble Storage"
     description: "Nimble Storage password for username/ID above"
     regex:
@@ -938,11 +1201,59 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.no_backends.value == '4'"
         action: 'hide'
+  nimble5_subnet_label:
+    value: ""
+    type: "text"
+    weight: 98
+    label: "Subnet Label"
+    description: "Nimble Storage data network Subnet Label if more than one data network"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '4'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.nimble5_backend_protocol.value != 'iSCSI'"
+        message: "Subnet Label is valid for iSCSI protocol only, this setting will be ignored during deployment."
+        action: 'none'
+  nimble5_pool_name:
+    value: ""
+    type: "text"
+    weight: 99
+    label: "Pool Name"
+    description: "Nimble Storage Pool Name (blank will use Nimble default storage pool)"
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '4'"
+        action: 'hide'
+  nimble5_mp_img_xfer:
+    value: false
+    label: 'Use multipath for Image transfer?'
+    description: 'Attach/Detach volumes in cinder using multipath for volume to image, and image to volume transfers'
+    weight: 100
+    type: 'checkbox'
+    restrictions:
+      - condition: "settings:cinder_nimble.no_backends.value == '1'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '2'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '3'"
+        action: 'hide'
+      - condition: "settings:cinder_nimble.no_backends.value == '4'"
+        action: 'hide'
   nimble5_encryption:
-    value: false 
+    value: false
     label: 'Encryption enabled?'
     description: 'Specify if Nimble Storage backend needs to be encypted'
-    weight: 81 
+    weight: 101
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -955,11 +1266,14 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble5_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble5_multi_init:
-    value: false 
+    value: false
     label: 'Multi-Initiator enabled?'
     description: 'Specify if Nimble Storage multi-initiator needs to be enabled'
-    weight: 82 
+    weight: 102
     type: 'checkbox'
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
@@ -972,10 +1286,13 @@ attributes:
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
+      - condition: "settings:cinder_nimble.nimble5_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
+        action: 'none'
   nimble5_perfpol:
     value: ""
     type: "text"
-    weight: 83 
+    weight: 103
     label: "Performance policy name"
     description: "Performance policy name for Nimble Storage backend"
     restrictions:
@@ -990,13 +1307,16 @@ attributes:
       - condition: "settings:cinder_nimble.nimble_grouping.value == true"
         action: 'hide'
       - condition: "settings:cinder_nimble.nimble5_perfpol.value == ''"
-        message: "Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        message: "During re-deployment, Performance policy cannot be unset by setting this field blank. Old value will be retained. Delete extra spec value manually if needed."
+        action: 'none'
+      - condition: "settings:cinder_nimble.nimble5_backend_type.value == ''"
+        message: "Since Volume Type Name field is blank, this setting will be ignored during deployment."
         action: 'none'
   nimble6_backend_divider:
-    value: '' 
+    value: ''
     label: "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
     description: ''
-    weight: 84 
+    weight: 104
     type: "hidden"
     restrictions:
       - condition: "settings:cinder_nimble.no_backends.value == '1'"
diff --git a/metadata.yaml b/metadata.yaml
index 76a4684..df3f46b 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -1,5 +1,5 @@
 # Plugin name
-name: cinder_nimble 
+name: cinder_nimble
 # Human-readable name for your plugin
 title: Cinder plugin for Nimble Storage
 # Plugin version
@@ -22,7 +22,7 @@ homepage: 'https://github.com/openstack/fuel-plugin-cinder-nimble'
 groups: ['storage::cinder']
 # Change `false` to `true` if the plugin can be installed in the environment
 # after the deployment.
-is_hotpluggable: true 
+is_hotpluggable: true
 
 # The plugin is compatible with releases in the list
 releases: