fix

Author: nzhan126

controller/node_controller.go

@@ -1389,12 +1389,12 @@ func (nc *NodeController) getNewAndMissingOrphanedReplicaDataStores(diskName, di
 
 		if !ok {
 			if reused {
-				nc.logger.Infof("Orphan %v is reused by replica. Marking DeleteCustomResourceOnly.", orphan.Name)
+				nc.logger.Infof("Orphan %v is reused by replica. Tring to mark DeleteCustomResourceOnly.", orphan.Name)
+				orphan = orphan.DeepCopy()
 				orphan.Labels[types.DeleteCustomResourceOnly] = string(longhorn.ConditionStatusTrue)
 				if _, err := nc.ds.UpdateOrphan(orphan); err != nil {
 					nc.logger.WithError(err).Warnf("Failed to update orphan %v after setting DeleteCustomResourceOnly label", orphan.Name)
 				}
-
 			}
 			nc.logger.Infof("Adding Orphan %v to missingOrphan", orphan.Name)
 			missingOrphanedReplicaDataStores[dataStore] = ""