Unable to see the accurate disk usage of PVCs on web console. The PVC bound to PV does not display usage information on the console.

 Yes

1. The `StorageClass` definition should resemble the example provided below.
~~~
allowVolumeExpansion: true
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  annotations:
    storageclass.kubernetes.io/is-default-class: "true"
  creationTimestamp: "2023-11-04T11:38:24Z"
  name: storage-class-dell-block
  resourceVersion: "22xxx3"
  uid: f3ee7afa-xxxx-43ce-xxx-5221xxx303
mountOptions:
- context
parameters:
  arrayId: CKMxxxx25
  csi.storage.k8s.io/fstype: xfs
  protocol: iSCSI
  storagePool: pool_1
provisioner: csi-unity.dellemc.com
reclaimPolicy: Delete
volumeBindingMode: Immediate
~~~

2. The `PersistentVolume` (PV) definition should follow the definition shown below.
~~~
apiVersion: v1
kind: PersistentVolume
metadata:
  annotations:
    pv.kubernetes.io/provisioned-by: csi-unity.dellemc.com
    volume.kubernetes.io/provisioner-deletion-secret-name: ""
    volume.kubernetes.io/provisioner-deletion-secret-namespace: ""
  finalizers:
  - kubernetes.io/pv-protection
  - external-attacher/csi-unity-dellemc-com
  name: csivol-xxx
  resourceVersion: "15xxx52"
  uid: 88axxx-23fe-xxx-af2f-xxxx3345f
spec:
  accessModes:
  - ReadWriteOnce
  capacity:
    storage: 40Gi
  claimRef:
    apiVersion: v1
    kind: PersistentVolumeClaim
    name: imdbvol1-xxx-0
    namespace: <namespace_name>
    resourceVersion: "15xxx17"
    uid: 8xxxxx-2xxxxa0ebxxxcexx44
  csi:
    driver: csi-unity.dellemc.com
    fsType: xfs
    volumeAttributes:
      arrayId: ckmxxxxx425
      protocol: iSCSI
      storage.kubernetes.io/csiProvisionerIdentity: 16x9xxxxx-5xx0-csi-unity.dellemc.com
      volumeId: sv_xxx
    volumeHandle: csivol-80xxxx22c-iSCSI-ckm0xxxxx-sv_205
  mountOptions:
  - context
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: csi-unity.dellemc.com/ckmxxxxx-nfs
          operator: In
          values:
          - "true"
  persistentVolumeReclaimPolicy: Delete
  storageClassName: storage-class-dell-block
  volumeMode: Filesystem
status:
  phase: Bound
~~~
    
3. Please create the `PersistentVolumeClaim` (PVC) using the definition outlined below.
~~~
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  annotations:
    pv.kubernetes.io/bind-completed: "yes"
    pv.kubernetes.io/bound-by-controller: "yes"
    volume.beta.kubernetes.io/storage-provisioner: csi-unity.dellemc.com
    volume.kubernetes.io/storage-provisioner: csi-unity.dellemc.com
  finalizers:
  - kubernetes.io/pvc-protection
  labels:
    app: imdb
    release: 1.5.0
  name: imdbvol1-xxxx-0
  namespace: <namespace_name>
  resourceVersion: "15xxx95"
  uid: 80a63a82-xxxx-a0eb-xxxx4d44
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 40Gi
  storageClassName: storage-class-dell-block
  volumeMode: Filesystem
  volumeName: csivol-xxx
status:
  accessModes:
  - ReadWriteOnce
  capacity:
    storage: 40Gi
  phase: Bound
~~~

The actual usage of PVC is not visible in console's PVCs total capacity overview circle.  

It is desired that the PVC showcases the available space in conjunction with the total capacity within the web console’s PVCs total capacity overview circle. 

 They are using `csi-unity.dellemc.com`  storage-provisioner.