dataBlockIndexReader.readMultiLevelIndexRoot( blockIter.nextBlockWithBlockType(BlockType.ROOT_INDEX), trailer.getDataIndexCount());
dataBlockIndexReader.readMultiLevelIndexRoot( blockIter.nextBlockWithBlockType(BlockType.ROOT_INDEX), trailer.getDataIndexCount());
dataBlockIndexReader.readMultiLevelIndexRoot( blockIter.nextBlockWithBlockType(BlockType.ROOT_INDEX), trailer.getDataIndexCount());
dataBlockIndexReader.readMultiLevelIndexRoot( blockIter.nextBlockWithBlockType(BlockType.ROOT_INDEX), trailer.getDataIndexCount());