~$ az disk update -g MeineRG --name NeueDataDisk2 --size-gb 200
{
  "creationData": {
    "createOption": "Empty",
    "imageReference": null,
    "sourceResourceId": null,
    "sourceUniqueId": null,
    "sourceUri": null,
    "storageAccountId": null,
    "uploadSizeBytes": null
  },
  "diskIopsReadWrite": 500,
  "diskMbpsReadWrite": 60,
  "diskSizeBytes": 214748364800,
  "diskSizeGb": 200,
  "diskState": "Unattached",
  "encryption": {
    "diskEncryptionSetId": null,
    "type": "EncryptionAtRestWithPlatformKey"
  },
