private void writeRVVRecord(OplogFile olf, boolean writeGCRVV) throws IOException {
    writeRVVRecord(olf, getParent().getAllDiskRegions(), writeGCRVV);
  }
Write an RVV record containing all of the live disk regions.
geode-core/src/main/java/org/apache/geode/internal/cache/Oplog.java