コード例 #1
0
 @After
 public void tearDown() throws Exception {
   if (data_fail != null) {
     FileUtil.setWritable(data_fail, true);
     data_fail = null;
   }
   if (failedDir != null) {
     FileUtil.setWritable(failedDir, true);
     failedDir = null;
   }
   if (cluster != null) {
     cluster.shutdown();
     cluster = null;
   }
 }
コード例 #2
0
ファイル: TestDiskError.java プロジェクト: aixuebo/had2.6.0
  /** Test to check that a DN goes down when all its volumes have failed. */
  @Test
  public void testShutdown() throws Exception {
    if (System.getProperty("os.name").startsWith("Windows")) {
      /**
       * This test depends on OS not allowing file creations on a directory that does not have write
       * permissions for the user. Apparently it is not the case on Windows (at least under Cygwin),
       * and possibly AIX. This is disabled on Windows.
       */
      return;
    }
    // Bring up two more datanodes
    cluster.startDataNodes(conf, 2, true, null, null);
    cluster.waitActive();
    final int dnIndex = 0;
    String bpid = cluster.getNamesystem().getBlockPoolId();
    File storageDir = cluster.getInstanceStorageDir(dnIndex, 0);
    File dir1 = MiniDFSCluster.getRbwDir(storageDir, bpid);
    storageDir = cluster.getInstanceStorageDir(dnIndex, 1);
    File dir2 = MiniDFSCluster.getRbwDir(storageDir, bpid);
    try {
      // make the data directory of the first datanode to be readonly
      assertTrue("Couldn't chmod local vol", dir1.setReadOnly());
      assertTrue("Couldn't chmod local vol", dir2.setReadOnly());

      // create files and make sure that first datanode will be down
      DataNode dn = cluster.getDataNodes().get(dnIndex);
      for (int i = 0; dn.isDatanodeUp(); i++) {
        Path fileName = new Path("/test.txt" + i);
        DFSTestUtil.createFile(fs, fileName, 1024, (short) 2, 1L);
        DFSTestUtil.waitReplication(fs, fileName, (short) 2);
        fs.delete(fileName, true);
      }
    } finally {
      // restore its old permission
      FileUtil.setWritable(dir1, true);
      FileUtil.setWritable(dir2, true);
    }
  }
コード例 #3
0
ファイル: TestFileUtil.java プロジェクト: JoeChien23/hadoop
 private static void revokePermissions(final File f) {
   FileUtil.setWritable(f, false);
   FileUtil.setExecutable(f, false);
   FileUtil.setReadable(f, false);
 }
コード例 #4
0
ファイル: TestFileUtil.java プロジェクト: JoeChien23/hadoop
 private static void grantPermissions(final File f) {
   FileUtil.setReadable(f, true);
   FileUtil.setWritable(f, true);
   FileUtil.setExecutable(f, true);
 }