diff --git a/Charts/epics-opis/templates/deploy.yaml b/Charts/epics-opis/templates/deploy.yaml
index ccd7af2..e284529 100644
--- a/Charts/epics-opis/templates/deploy.yaml
+++ b/Charts/epics-opis/templates/deploy.yaml
@@ -1,11 +1,15 @@
+{{- $location := default .Values.global.location .Values.location | required "ERROR - You must supply location or global.location" -}}
+{{- $ioc_group := default .Values.global.ioc_group .Values.ioc_group | required "ERROR - You must supply ioc_group or global.ioc_group" -}}
+{{- $opisClaim := default (print $ioc_group "-opi-claim") .Values.opisClaim -}}
+
 kind: Deployment
 apiVersion: apps/v1
 metadata:
   name: {{ .Release.Name }}
   labels:
     app: {{ .Release.Name }}
-    location: {{ .Values.location }}
-    ioc_group: {{ .Values.ioc_group }}
+    location: {{ $location }}
+    ioc_group: {{ $ioc_group }}
 spec:
   replicas: 1
   selector:
@@ -15,8 +19,8 @@ spec:
     metadata:
       labels:
         app: {{ .Release.Name }}
-        location: {{ .Values.location }}
-        ioc_group: {{ .Values.ioc_group }}
+        location: {{ $location }}
+        ioc_group: {{ $ioc_group }}
       annotations:
       {{ if and .Values.global .Values.global.files -}}
       {{- range $k, $v := .Values.global.files }}
@@ -27,7 +31,7 @@ spec:
       volumes:
         - name: html-volume
           persistentVolumeClaim:
-            claimName: {{ .Values.ioc_group }}-opi-claim
+            claimName: {{ $opisClaim }}
         - name: config-volume
           configMap:
             name: {{ .Release.Name }}-nginx-config
@@ -68,8 +72,8 @@ metadata:
   name: {{ .Release.Name }}
   labels:
     app: {{ .Release.Name }}
-    location: {{ .Values.location }}
-    ioc_group: {{ .Values.ioc_group }}
+    location: {{ $location }}
+    ioc_group: {{ $ioc_group }}
 spec:
   type: LoadBalancer
   ports:
diff --git a/Charts/epics-opis/values.yaml b/Charts/epics-opis/values.yaml
index 09030ab..a660b90 100644
--- a/Charts/epics-opis/values.yaml
+++ b/Charts/epics-opis/values.yaml
@@ -1,7 +1,6 @@
 # use nginx for publishing opi files over http
 image: nginx:1.25.4
-
-# the name of the repository in which the IOC is grouped
+# Short name for this collection of services
 ioc_group:
-# the location where the IOCs will run
+# location where these IOCs and services will run
 location:
\ No newline at end of file
diff --git a/Charts/epics-pvcs/templates/deploy.yaml b/Charts/epics-pvcs/templates/deploy.yaml
index f183779..0b359b1 100644
--- a/Charts/epics-pvcs/templates/deploy.yaml
+++ b/Charts/epics-pvcs/templates/deploy.yaml
@@ -1,12 +1,19 @@
+{{- $location := default .Values.global.location .Values.location | required "ERROR - You must supply location or global.location" -}}
+{{- $ioc_group := default .Values.global.ioc_group .Values.ioc_group | required "ERROR - You must supply ioc_group or global.ioc_group" -}}
+{{- $opisClaim := default (print $ioc_group "-opi-claim") .Values.opisClaim -}}
+{{- $runtimeClaim := default (print $ioc_group "-runtime-claim") .Values.runtimeClaim -}}
+{{- $autosaveClaim := default (print $ioc_group "-autosave-claim") .Values.autosaveClaim -}}
+{{- $binariesClaim := default (print $ioc_group "-binaries-claim") .Values.binariesClaim -}}
+
 # PVC for shared OPI files
 kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
-  name: {{ .Values.ioc_group }}-opi-claim
+  name: {{ $opisClaim }}
   labels:
     app: {{ .Release.Name }}
-    location: {{ .Values.location }}
-    ioc_group: {{ .Values.ioc_group }}
+    location: {{ $location }}
+    ioc_group: {{ $ioc_group }}
 spec:
   accessModes:
     - ReadWriteMany
@@ -18,11 +25,11 @@ spec:
 kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
-  name: {{ .Values.ioc_group }}-runtime-claim
+  name: {{ $runtimeClaim }}
   labels:
     app: {{ .Release.Name }}
-    location: {{ .Values.location }}
-    ioc_group: {{ .Values.ioc_group }}
+    location: {{ $location }}
+    ioc_group: {{ $ioc_group }}
 spec:
   accessModes:
     - ReadWriteMany
@@ -34,11 +41,11 @@ spec:
 kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
-  name: {{ .Values.ioc_group }}-autosave-claim
+  name: {{ $autosaveClaim }}
   labels:
     app: {{ .Release.Name }}
-    location: {{ .Values.location }}
-    ioc_group: {{ .Values.ioc_group }}
+    location: {{ $location }}
+    ioc_group: {{ $ioc_group }}
 spec:
   accessModes:
     - ReadWriteMany
@@ -51,11 +58,11 @@ spec:
 kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
-  name: {{ .Values.ioc_group }}-binaries-claim
+  name: {{ $binariesClaim }}
   labels:
     app: {{ .Release.Name }}
-    location: {{ .Values.location }}
-    ioc_group: {{ .Values.ioc_group }}
+    location: {{ $location }}
+    ioc_group: {{ $ioc_group }}
 spec:
   accessModes:
     - ReadWriteMany
diff --git a/Charts/epics-pvcs/values.yaml b/Charts/epics-pvcs/values.yaml
index 59f9f2d..9556577 100644
--- a/Charts/epics-pvcs/values.yaml
+++ b/Charts/epics-pvcs/values.yaml
@@ -1,8 +1,7 @@
-# the name of the repository in which the IOC is grouped
+# Short name for this collection of services
 ioc_group:
-# the location where the IOCs will run
+# location where these IOCs and services will run
 location:
-
 # sizes of the auto provisioned PVs
 opi_size: 1Gi
 runtime_size: 1Gi
diff --git a/Charts/ioc-instance/templates/deployment.yaml b/Charts/ioc-instance/templates/deployment.yaml
index e5e2e5a..fc7ae5c 100644
--- a/Charts/ioc-instance/templates/deployment.yaml
+++ b/Charts/ioc-instance/templates/deployment.yaml
@@ -4,8 +4,8 @@ Default the derivable substitution values.
 This keeps the length of the values.txt file for each individual IOC
 to a minimum
 */ -}}
-{{- $location := default .Values.global.location .Values.location | required "ERROR - You must supply location." -}}
-{{- $ioc_group := default .Values.ioc_group $location -}}
+{{- $location := default .Values.global.location .Values.location | required "ERROR - You must supply location or global.location" -}}
+{{- $ioc_group := default .Values.global.ioc_group .Values.ioc_group | required "ERROR - You must supply ioc_group or global.ioc_group" -}}
 {{- $opisClaim := default (print $ioc_group "-opi-claim") .Values.opisClaim -}}
 {{- $runtimeClaim := default (print $ioc_group "-runtime-claim") .Values.runtimeClaim -}}
 {{- $autosaveClaim := default (print $ioc_group "-autosave-claim") .Values.autosaveClaim -}}
diff --git a/Schemas/ioc-instance.schema.json b/Schemas/ioc-instance.schema.json
index 2f7f5ae..a981594 100644
--- a/Schemas/ioc-instance.schema.json
+++ b/Schemas/ioc-instance.schema.json
@@ -17,7 +17,7 @@
         },
         "ioc_group": {
           "type": "string",
-          "description": "The name of the repository in which the IOC is grouped",
+          "description": "Short name for this collection of services",
           "default": ""
         },
         "serviceAccountName": {