FSImageTestUtil.getFSImage(
cluster.getNameNode()).getStorage().getStorageDir(0));
assertNotNull("Didn't generate or can't find fsimage", originalFsimage);
StringWriter output = new StringWriter();
PrintWriter o = new PrintWriter(output);
PBImageXmlWriter v = new PBImageXmlWriter(new Configuration(), o);
v.visit(new RandomAccessFile(originalFsimage, "r"));
}