public PersistentID getPersistentID() {
    InetAddress host = cache.getInternalDistributedSystem().getDistributedMember().getInetAddress();
    String dir = getDiskDirs()[0].getAbsolutePath();
    return new PersistentMemberPattern(host, dir, diskStoreID.toUUID(), 0);
  }
Used by unit tests to kill the compactor operation.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java