private void cmnAddMyInitializingPMID(DiskRegionView dr, PersistentMemberID pmid) {
    if (dr != null) {
      if (dr.addMyInitializingPMID(pmid) == null) {
        ifLiveRecordCount++;
      }
      ifTotalRecordCount++;
    } else {
      if (logger.isTraceEnabled(LogMarker.PERSIST_RECOVERY_VERBOSE)) {
        logger.trace(LogMarker.PERSIST_RECOVERY_VERBOSE, "bad disk region id!");
      } else {
        throw new IllegalStateException("bad disk region id");
      }
    }
  }
Maximum number of bytes used to encode a DiskRegion id.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskInitFile.java