public static void archiveRegion(Configuration conf, FileSystem fs, RegionInfo info)
    throws IOException {
    Path rootDir = CommonFSUtils.getRootDir(conf);
    archiveRegion(conf, fs, rootDir, CommonFSUtils.getTableDir(rootDir, info.getTable()),
      FSUtils.getRegionDirFromRootDir(rootDir, info));
  }
Cleans up all the files for a HRegion by archiving the HFiles to the archive directory
@param conf the configuration to use
@param fs   the file system object
@param info RegionInfo for region to be deleted
hbase-server/src/main/java/org/apache/hadoop/hbase/backup/HFileArchiver.java