public void beginDestroyDataStorage(DiskRegion dr) {
    if (initFile != null && dr.isBackup()/* fixes bug 41389 */) {
      initFile.beginDestroyDataStorage(dr);
    }
  }
Used by unit tests to kill the compactor operation.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java