public static HRegion createHRegion(final RegionInfo info, final Path rootDir,
    final Configuration conf, final TableDescriptor hTableDescriptor, final WAL wal)
    throws IOException {
    return createHRegion(info, rootDir, conf, hTableDescriptor, wal, true);
  }
Create the region directory in the filesystem.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java