Set<InternalDistributedMember> adviseRecoveredFromDisk() {
    return regionAdvisor.adviseInitializedDataStore();
  }
Returns the current redundancy of the this bucket, including the locally hosted bucket if it
exists.

@return current number of hosts of this bucket ; -1 if there are no hosts
geode-core/src/main/java/org/apache/geode/internal/cache/BucketAdvisor.java