private void createPersistentRegion(final VM memberVM)
      throws InterruptedException, ExecutionException, TimeoutException {
    createPersistentRegionAsync(memberVM).await(2, MINUTES);
  }
Compact a disk store from managerVM VM
geode-core/src/distributedTest/java/org/apache/geode/management/DiskManagementDUnitTest.java