<memory unit="KiB">4194304</memory>
   <currentMemory unit="KiB">4194304</currentMemory>
   <blkiotune>
-    <weight>100</weight>
+    <weight>500</weight>
     <device>
-      <path>/dev/sdd</path>
-      <weight>200</weight>
+      <path>/dev/sdf</path>
+      <weight>600</weight>
     </device>
   </blkiotune>
   <memoryBacking>

Domain 'test-for-virtxml' defined successfully.
Changes will take effect after the domain is fully powered off.