public Map<String, String[]> getMemberDiskstoreMap() {
    Iterator<MemberMXBean> memberIterator = mapOfMembers.values().iterator();
    if (memberIterator != null) {

      Map<String, String[]> mapOfDisks = new HashMap<>();
      while (memberIterator.hasNext()) {
        MemberMXBean bean = memberIterator.next();
        mapOfDisks.put(bean.getMember(), bean.getDiskStores());
      }

      return mapOfDisks;
    }
    return Collections.emptyMap();
  }
@return Lists all the members disk stores
geode-core/src/main/java/org/apache/geode/management/internal/beans/DistributedSystemBridge.java