private void createRegionWithOverflow(final File diskDir) {
    DiskStoreFactory diskStoreFactory = getCache().createDiskStoreFactory();
    diskStoreFactory.setDiskDirs(toArray(diskDir));

    EvictionAttributes evictionAttributes = createLIFOEntryAttributes(1, OVERFLOW_TO_DISK);

    RegionFactory regionFactory = getCache().createRegionFactory(REPLICATE);
    regionFactory.setDiskStoreName(diskStoreFactory.create(getUniqueName()).getName());
    regionFactory.setDiskSynchronous(true);
    regionFactory.setEvictionAttributes(evictionAttributes);
    regionFactory.create(regionName3);
  }
Test what happens when we restart persistent members while there is an accessor concurrently
performing puts.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/backup/BackupDistributedTest.java