@Override
    public String toString() {
      return "regionName=" + Bytes.toStringBinary(regionName) + "\nmetaFirstKey="
        + Bytes.toStringBinary(metaFirstKey) + "\nmetaLastKey=" + Bytes.toStringBinary(metaLastKey)
        + "\nstoresFirstKey=" + Bytes.toStringBinary(storesFirstKey) + "\nstoresLastKey="
        + Bytes.toStringBinary(storesLastKey);
    }
Contacts the master and prints out cluster-wide information
@return 0 on success, non-zero on failure
hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java