private Set<InternalDistributedMember> getAllStores(String partitionName) {
    if (partitionName != null) {
      return getFixedPartitionStores(partitionName);
    }
    final Set<InternalDistributedMember> allStores =
        partitionedRegion.getRegionAdvisor().adviseDataStore(true);
    PartitionedRegionDataStore localDataStore = partitionedRegion.getDataStore();
    if (localDataStore != null) {
      allStores.add(partitionedRegion.getDistributionManager().getId());
    }
    return allStores;
  }
Indicate a timeout due to excessive retries among available peers

@param allStores all feasible stores. If null, we don't know.
@param alreadyUsed those that have already accepted, only used if allStores != null
@param opString description of the operation which timed out
geode-core/src/main/java/org/apache/geode/internal/cache/PRHARedundancyProvider.java