CSTACKEX-246: Added provider check with the null check

Author: sathvikaragi

engine/storage/volume/src/main/java/org/apache/cloudstack/storage/volume/VolumeServiceImpl.java

@@ -737,8 +737,12 @@ protected Void managedCopyBaseImageCallback(AsyncCallbackDispatcher<VolumeServic
 
             volume.setPath(templateObjectTo.getPath());
 
-            if (templateObjectTo.getFormat() != null && volume.getFormat() == null) {
-                volume.setFormat(templateObjectTo.getFormat());
+            if (templateObjectTo.getFormat() != null) {
+                PrimaryDataStore primaryDataStore = context.getPrimaryDataStore();
+                boolean isOntap = primaryDataStore != null && DataStoreProvider.ONTAP_PLUGIN_NAME.equals(primaryDataStore.getStorageProviderName());
+                if (!isOntap || volume.getFormat() == null) {
+                    volume.setFormat(templateObjectTo.getFormat());
+                }
             }
 
             volDao.update(volume.getId(), volume);