PersistentOplogSet getPersistentOplogSet(DiskRegionView drv) {
    assert drv.isBackup();
    return getPersistentOplogs();
  }
Initializes the contents of any regions on this DiskStore that have been registered but are not
yet initialized.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java