Path getStoreFilePath(final String familyName, final String fileName) {
    Path familyDir = getStoreDir(familyName);
    return new Path(familyDir, fileName).makeQualified(fs.getUri(), fs.getWorkingDirectory());
  }
Return Qualified Path of the specified family/file
@param familyName Column Family Name
@param fileName   File Name
@return The qualified Path for the specified family/file
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionFileSystem.java