DFSTestUtil util = new DFSTestUtil("testGetCorruptFiles", 3, 1, 1024);
util.createFiles(fs, "/corruptData");
final NameNode namenode = cluster.getNameNode();
RemoteIterator<Path> corruptFileBlocks =
dfs.listCorruptFileBlocks(new Path("/corruptData"));
int numCorrupt = countPaths(corruptFileBlocks);
assertTrue(numCorrupt == 0);
// delete the blocks
for (int i = 0; i < 8; i++) {
File data_dir = cluster.getBlockDirectory("data" + (i + 1));