Package org.apache.hadoop.hdfs.server.common.Storage

Examples of org.apache.hadoop.hdfs.server.common.Storage.StorageState

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          // Don't confirm, since this is just the secondary namenode.
          LOG.info("Formatting storage directory " + sd);
          sd.clearDirectory();
        }
       
        StorageState curState;
        try {
          curState = sd.analyzeStorage(HdfsServerConstants.StartupOption.REGULAR, storage);
          // sd is locked but not opened
          switch(curState) {
          case NON_EXISTENT:
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        dataDirs.size());
    ArrayList<StorageState> dataDirStates = new ArrayList<StorageState>(dataDirs.size());
    for(Iterator<File> it = dataDirs.iterator(); it.hasNext();) {
      File dataDir = it.next();
      StorageDirectory sd = new StorageDirectory(dataDir);
      StorageState curState;
      try {
        curState = sd.analyzeStorage(startOpt);
        // sd is locked but not opened
        switch(curState) {
          case NORMAL:
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    storage.processStartupOptionsForUpgrade(startOpt, layoutVersion);

    // 2. Format unformatted dirs.
    for (Iterator<StorageDirectory> it = storage.dirIterator(); it.hasNext();) {
      StorageDirectory sd = it.next();
      StorageState curState = dataDirStates.get(sd);
      switch(curState) {
      case NON_EXISTENT:
        throw new IOException(StorageState.NON_EXISTENT +
                              " state cannot be here");
      case NOT_FORMATTED:
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      Map<StorageDirectory, StorageState> dataDirStates) throws IOException {
    boolean isFormatted = false;
    for (Iterator<StorageDirectory> it =
                      storage.dirIterator(); it.hasNext();) {
      StorageDirectory sd = it.next();
      StorageState curState;
      try {
        curState = sd.analyzeStorage(startOpt, storage);
        String nameserviceId = DFSUtil.getNamenodeNameServiceId(conf);
        if (curState != StorageState.NORMAL && HAUtil.isHAEnabled(conf, nameserviceId)) {
          throw new IOException("Cannot start an HA namenode with name dirs " +
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          // Don't confirm, since this is just the secondary namenode.
          LOG.info("Formatting storage directory " + sd);
          sd.clearDirectory();
        }
       
        StorageState curState;
        try {
          curState = sd.analyzeStorage(HdfsServerConstants.StartupOption.REGULAR, storage);
          // sd is locked but not opened
          switch(curState) {
          case NON_EXISTENT:
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    storage.processStartupOptionsForUpgrade(startOpt, layoutVersion);

    // 2. Format unformatted dirs.
    for (Iterator<StorageDirectory> it = storage.dirIterator(); it.hasNext();) {
      StorageDirectory sd = it.next();
      StorageState curState = dataDirStates.get(sd);
      switch(curState) {
      case NON_EXISTENT:
        throw new IOException(StorageState.NON_EXISTENT +
                              " state cannot be here");
      case NOT_FORMATTED:
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      Map<StorageDirectory, StorageState> dataDirStates) throws IOException {
    boolean isFormatted = false;
    for (Iterator<StorageDirectory> it =
                      storage.dirIterator(); it.hasNext();) {
      StorageDirectory sd = it.next();
      StorageState curState;
      try {
        curState = sd.analyzeStorage(startOpt, storage);
        String nameserviceId = DFSUtil.getNamenodeNameServiceId(conf);
        if (curState != StorageState.NORMAL && HAUtil.isHAEnabled(conf, nameserviceId)) {
          throw new IOException("Cannot start an HA namenode with name dirs " +
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    storage.processStartupOptionsForUpgrade(startOpt, layoutVersion);

    // 2. Format unformatted dirs.
    for (Iterator<StorageDirectory> it = storage.dirIterator(); it.hasNext();) {
      StorageDirectory sd = it.next();
      StorageState curState = dataDirStates.get(sd);
      switch(curState) {
      case NON_EXISTENT:
        throw new IOException(StorageState.NON_EXISTENT +
                              " state cannot be here");
      case NOT_FORMATTED:
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    // sure that we properly examine their state, but we make sure we don't
    // mutate the shared dir below in the actual loop.
    for (Iterator<StorageDirectory> it =
                      storage.dirIterator(); it.hasNext();) {
      StorageDirectory sd = it.next();
      StorageState curState;
      if (startOpt == StartupOption.METADATAVERSION) {
        /* All we need is the layout version. */
        storage.readProperties(sd);
        return true;
      }
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          // Don't confirm, since this is just the secondary namenode.
          LOG.info("Formatting storage directory " + sd);
          sd.clearDirectory();
        }
       
        StorageState curState;
        try {
          curState = sd.analyzeStorage(HdfsServerConstants.StartupOption.REGULAR, storage);
          // sd is locked but not opened
          switch(curState) {
          case NON_EXISTENT:
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Related Classes of org.apache.hadoop.hdfs.server.common.Storage.StorageState

  • org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager
  • org.apache.hadoop.hdfs.server.datanode.DataStorage
  • org.apache.hadoop.hdfs.server.namenode.BackupImage
  • org.apache.hadoop.hdfs.server.namenode.FSImage
  • org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage
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