public byte[] getRegionName() {
    if (metaEntry != null) {
      return metaEntry.hri.getRegionName();
    } else if (hdfsEntry != null) {
      return hdfsEntry.hri.getRegionName();
    } else {
      // return the info from the first online/deployed hri
      for (OnlineEntry e : deployedEntries) {
        return e.getRegionInfo().getRegionName();
      }
      return null;
    }
  }
Read the .regioninfo file from the file system. If there is no .regioninfo, add it to the
orphan hdfs region list.
hbase-server/src/main/java/org/apache/hadoop/hbase/util/HbckRegionInfo.java